Mailing List Archive

Weekly Routing Table Report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 22 Jan, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 343083
Prefixes after maximum aggregation: 154693
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 169275
Total ASes present in the Internet Routing Table: 35688
Prefixes per ASN: 9.61
Origin-only ASes present in the Internet Routing Table: 30754
Origin ASes announcing only one prefix: 14951
Transit ASes present in the Internet Routing Table: 4934
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 1028
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 209
Number of addresses announced to Internet: 2341691488
Equivalent to 139 /8s, 147 /16s and 96 /24s
Percentage of available address space announced: 63.2
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 96.8
Percentage of address space in use by end-sites: 87.7
Total number of prefixes smaller than registry allocations: 141157

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 85214
Total APNIC prefixes after maximum aggregation: 28749
APNIC Deaggregation factor: 2.96
Prefixes being announced from the APNIC address blocks: 82002
Unique aggregates announced from the APNIC address blocks: 35485
APNIC Region origin ASes present in the Internet Routing Table: 4304
APNIC Prefixes per ASN: 19.05
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 692
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 582320928
Equivalent to 34 /8s, 181 /16s and 131 /24s
Percentage of available APNIC address space announced: 78.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 42/8, 43/8, 49/8,
58/8, 59/8, 60/8, 61/8, 101/8, 110/8, 111/8,
112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8,
119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8,
126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 138032
Total ARIN prefixes after maximum aggregation: 70612
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 108815
Unique aggregates announced from the ARIN address blocks: 44359
ARIN Region origin ASes present in the Internet Routing Table: 14136
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5402
ARIN Region transit ASes present in the Internet Routing Table: 1479
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 746005632
Equivalent to 44 /8s, 119 /16s and 36 /24s
Percentage of available ARIN address space announced: 62.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 54/8,
55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8,
68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8,
75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8,
107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 80701
Total RIPE prefixes after maximum aggregation: 46018
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 74128
Unique aggregates announced from the RIPE address blocks: 48092
RIPE Region origin ASes present in the Internet Routing Table: 15214
RIPE Prefixes per ASN: 4.87
RIPE Region origin ASes announcing only one prefix: 7769
RIPE Region transit ASes present in the Internet Routing Table: 2372
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE addresses announced to Internet: 456088640
Equivalent to 27 /8s, 47 /16s and 92 /24s
Percentage of available RIPE address space announced: 75.5

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31439
Total LACNIC prefixes after maximum aggregation: 7222
LACNIC Deaggregation factor: 4.35
Prefixes being announced from the LACNIC address blocks: 30223
Unique aggregates announced from the LACNIC address blocks: 15725
LACNIC Region origin ASes present in the Internet Routing Table: 1419
LACNIC Prefixes per ASN: 21.30
LACNIC Region origin ASes announcing only one prefix: 429
LACNIC Region transit ASes present in the Internet Routing Table: 247
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 79629312
Equivalent to 4 /8s, 191 /16s and 12 /24s
Percentage of available LACNIC address space announced: 59.3

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7474
Total AfriNIC prefixes after maximum aggregation: 1973
AfriNIC Deaggregation factor: 3.79
Prefixes being announced from the AfriNIC address blocks: 5799
Unique aggregates announced from the AfriNIC address blocks: 1913
AfriNIC Region origin ASes present in the Internet Routing Table: 435
AfriNIC Prefixes per ASN: 13.33
AfriNIC Region origin ASes announcing only one prefix: 137
AfriNIC Region transit ASes present in the Internet Routing Table: 93
Average AfriNIC Region AS path length visible: 5.5
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21744896
Equivalent to 1 /8s, 75 /16s and 205 /24s
Percentage of available AfriNIC address space announced: 43.2

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1911 9485 522 Korea Telecom (KIX)
7545 1586 301 82 TPG Internet Pty Ltd
4755 1400 636 160 TATA Communications formerly
17974 1385 467 27 PT TELEKOMUNIKASI INDONESIA
24560 1095 317 181 Bharti Airtel Ltd., Telemedia
9583 1043 76 486 Sify Limited
4808 1019 2108 287 CNCGROUP IP network: China169
17488 949 162 103 Hathway IP Over Cable Interne
18101 920 116 140 Reliance Infocom Ltd Internet
9829 862 729 48 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3710 3855 266 bellsouth.net, inc.
4323 2648 1077 403 Time Warner Telecom
19262 1839 4943 283 Verizon Global Networks
1785 1790 697 133 PaeTec Communications, Inc.
20115 1525 1530 641 Charter Communications
6478 1465 290 89 AT&T Worldnet Services
7018 1369 5650 882 AT&T WorldNet Services
2386 1299 553 934 AT&T Data Communications Serv
22773 1275 2864 77 Cox Communications, Inc.
11492 1266 234 78 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 500 1763 306 UPC Distribution Services
9198 462 266 14 Kazakhtelecom Data Network Ad
34984 457 97 137 BILISIM TELEKOM
3292 444 2010 387 TDC Tele Danmark
8866 439 137 24 Bulgarian Telecommunication C
12479 404 577 6 Uni2 Autonomous System
8551 402 353 46 Bezeq International
3320 399 7618 349 Deutsche Telekom AG
702 398 1833 311 UUNET - Commercial IP service
20940 387 90 299 Akamai Technologies European

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1355 251 165 TVCABLE BOGOTA
8151 1329 2613 363 UniNet S.A. de C.V.
28573 1231 953 86 NET Servicos de Comunicao S.A
6503 1148 355 78 AVANTEL, S.A.
7303 886 461 113 Telecom Argentina Stet-France
14420 604 50 89 CORPORACION NACIONAL DE TELEC
22047 567 310 15 VTR PUNTO NET S.A.
3816 521 222 102 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 455 33 33 Telefonica del Sur S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
24863 755 147 39 LINKdotNET AS number
8452 744 445 11 TEDATA
36992 663 283 155 Etisalat MISR
3741 264 987 226 The Internet Solution
24835 216 78 10 RAYA Telecom - Egypt
6713 203 199 12 Itissalat Al-MAGHRIB
29571 194 19 11 Ci Telecom Autonomous system
33776 182 12 14 Starcomms Nigeria Limited
2018 167 277 64 Tertiary Education Network
16637 160 440 90 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3710 3855 266 bellsouth.net, inc.
4323 2648 1077 403 Time Warner Telecom
4766 1911 9485 522 Korea Telecom (KIX)
19262 1839 4943 283 Verizon Global Networks
1785 1790 697 133 PaeTec Communications, Inc.
7545 1586 301 82 TPG Internet Pty Ltd
20115 1525 1530 641 Charter Communications
6478 1465 290 89 AT&T Worldnet Services
4755 1400 636 160 TATA Communications formerly
17974 1385 467 27 PT TELEKOMUNIKASI INDONESIA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2648 2245 Time Warner Telecom
1785 1790 1657 PaeTec Communications, Inc.
19262 1839 1556 Verizon Global Networks
7545 1586 1504 TPG Internet Pty Ltd
4766 1911 1389 Korea Telecom (KIX)
6478 1465 1376 AT&T Worldnet Services
17974 1385 1358 PT TELEKOMUNIKASI INDONESIA
4755 1400 1240 TATA Communications formerly
22773 1275 1198 Cox Communications, Inc.
10620 1355 1190 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
46.226.80.0/21 38927 Net-Build GmbH

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:25 /11:70 /12:214
/13:438 /14:762 /15:1355 /16:11484 /17:5608 /18:9296
/19:18931 /20:24183 /21:24581 /22:32450 /23:31398 /24:179439
/25:980 /26:1080 /27:574 /28:160 /29:16 /30:2
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2289 3710 bellsouth.net, inc.
4323 1430 2648 Time Warner Telecom
6478 1419 1465 AT&T Worldnet Services
10620 1246 1355 TVCABLE BOGOTA
11492 1222 1266 Cable One
18566 1118 1137 Covad Communications
7011 1068 1171 Citizens Utilities
1785 1061 1790 PaeTec Communications, Inc.
19262 952 1839 Verizon Global Networks
6503 934 1148 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:165 2:26 4:13 5:1 8:330 12:2029
13:1 14:378 15:15 16:3 17:8 20:9
23:1 24:1456 27:544 32:61 33:5 34:2
36:1 37:1 38:688 40:101 41:2301 42:1
44:3 46:525 47:5 49:142 50:56 52:12
55:8 56:2 57:31 58:869 59:483 60:391
61:1136 62:1011 63:1925 64:3754 65:2339 66:4102
67:1752 68:998 69:2878 70:719 71:392 72:1990
73:1 74:2296 75:291 76:326 77:852 78:705
79:433 80:1038 81:815 82:529 83:456 84:644
85:1043 86:526 87:727 88:350 89:1565 90:154
91:3419 92:492 93:1050 94:1150 95:761 96:413
97:249 98:751 99:33 101:18 107:3 108:79
109:847 110:465 111:698 112:309 113:366 114:490
115:633 116:885 117:677 118:631 119:1035 120:240
121:707 122:1606 123:1044 124:1264 125:1210 128:247
129:157 130:171 131:569 132:110 133:20 134:217
135:50 136:216 137:146 138:292 139:127 140:488
141:198 142:361 143:379 144:486 145:52 146:425
147:199 148:625 149:304 150:151 151:230 152:303
153:175 154:3 155:346 156:173 157:341 158:126
159:377 160:314 161:200 162:278 163:159 164:469
165:334 166:599 167:421 168:742 169:151 170:747
171:69 172:2 173:1246 174:506 175:306 176:1
177:4 178:745 180:758 182:391 183:249 184:204
186:938 187:807 188:906 189:1026 190:4359 192:5783
193:4788 194:3497 195:2934 196:1243 197:2 198:3552
199:3737 200:5607 201:1574 202:8288 203:8434 204:4083
205:2335 206:2525 207:2970 208:3863 209:3468 210:2638
211:1333 212:1863 213:1722 214:742 215:62 216:4840
217:1623 218:547 219:373 220:1198 221:445 222:346
223:90

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 29 Jan, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 340429
Prefixes after maximum aggregation: 154694
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 169224
Total ASes present in the Internet Routing Table: 35707
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 30778
Origin ASes announcing only one prefix: 14951
Transit ASes present in the Internet Routing Table: 4929
Transit-only ASes present in the Internet Routing Table: 118
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 321
Unregistered ASNs in the Routing Table: 126
Number of 32-bit ASNs allocated by the RIRs: 1051
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 215
Number of addresses announced to Internet: 2348554048
Equivalent to 139 /8s, 252 /16s and 23 /24s
Percentage of available address space announced: 63.4
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 96.8
Percentage of address space in use by end-sites: 88.0
Total number of prefixes smaller than registry allocations: 139482

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 84978
Total APNIC prefixes after maximum aggregation: 28832
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 81750
Unique aggregates announced from the APNIC address blocks: 35514
APNIC Region origin ASes present in the Internet Routing Table: 4313
APNIC Prefixes per ASN: 18.95
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 690
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 586409504
Equivalent to 34 /8s, 243 /16s and 230 /24s
Percentage of available APNIC address space announced: 79.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 42/8, 43/8, 49/8,
58/8, 59/8, 60/8, 61/8, 101/8, 110/8, 111/8,
112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8,
119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8,
126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 138008
Total ARIN prefixes after maximum aggregation: 70693
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 108934
Unique aggregates announced from the ARIN address blocks: 44467
ARIN Region origin ASes present in the Internet Routing Table: 14154
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 5405
ARIN Region transit ASes present in the Internet Routing Table: 1470
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 751502720
Equivalent to 44 /8s, 203 /16s and 5 /24s
Percentage of available ARIN address space announced: 63.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 54/8,
55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8,
68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8,
75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8,
107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 80950
Total RIPE prefixes after maximum aggregation: 46146
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 74326
Unique aggregates announced from the RIPE address blocks: 48334
RIPE Region origin ASes present in the Internet Routing Table: 15230
RIPE Prefixes per ASN: 4.88
RIPE Region origin ASes announcing only one prefix: 7770
RIPE Region transit ASes present in the Internet Routing Table: 2370
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 456913728
Equivalent to 27 /8s, 59 /16s and 243 /24s
Percentage of available RIPE address space announced: 75.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31587
Total LACNIC prefixes after maximum aggregation: 7249
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 30348
Unique aggregates announced from the LACNIC address blocks: 15794
LACNIC Region origin ASes present in the Internet Routing Table: 1424
LACNIC Prefixes per ASN: 21.31
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 250
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 80151168
Equivalent to 4 /8s, 199 /16s and 2 /24s
Percentage of available LACNIC address space announced: 59.7

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 4684
Total AfriNIC prefixes after maximum aggregation: 1653
AfriNIC Deaggregation factor: 2.83
Prefixes being announced from the AfriNIC address blocks: 3503
Unique aggregates announced from the AfriNIC address blocks: 1581
AfriNIC Region origin ASes present in the Internet Routing Table: 407
AfriNIC Prefixes per ASN: 8.61
AfriNIC Region origin ASes announcing only one prefix: 126
AfriNIC Region transit ASes present in the Internet Routing Table: 92
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 18336512
Equivalent to 1 /8s, 23 /16s and 203 /24s
Percentage of available AfriNIC address space announced: 36.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1915 9485 526 Korea Telecom (KIX)
7545 1594 301 82 TPG Internet Pty Ltd
4755 1401 636 159 TATA Communications formerly
17974 1395 467 27 PT TELEKOMUNIKASI INDONESIA
24560 1094 317 180 Bharti Airtel Ltd., Telemedia
9583 1044 76 487 Sify Limited
4808 1028 2108 287 CNCGROUP IP network: China169
17488 950 162 103 Hathway IP Over Cable Interne
18101 924 117 142 Reliance Infocom Ltd Internet
9829 847 739 75 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3710 3855 265 bellsouth.net, inc.
4323 2629 1109 404 Time Warner Telecom
19262 1841 4943 285 Verizon Global Networks
1785 1787 697 133 PaeTec Communications, Inc.
20115 1519 1529 643 Charter Communications
6478 1476 291 56 AT&T Worldnet Services
7018 1360 6674 875 AT&T WorldNet Services
2386 1297 553 933 AT&T Data Communications Serv
22773 1274 2864 77 Cox Communications, Inc.
11492 1266 235 81 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 514 1764 319 UPC Distribution Services
9198 465 266 14 Kazakhtelecom Data Network Ad
34984 458 97 137 BILISIM TELEKOM
3292 447 2011 390 TDC Tele Danmark
8866 438 133 23 Bulgarian Telecommunication C
12479 412 577 6 Uni2 Autonomous System
3320 403 7619 352 Deutsche Telekom AG
8551 402 353 46 Bezeq International
702 396 1816 309 UUNET - Commercial IP service
20940 393 91 303 Akamai Technologies European

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1358 252 165 TVCABLE BOGOTA
8151 1329 2627 355 UniNet S.A. de C.V.
28573 1245 959 82 NET Servicos de Comunicao S.A
6503 1149 355 78 AVANTEL, S.A.
7303 885 461 114 Telecom Argentina Stet-France
14420 614 55 90 CORPORACION NACIONAL DE TELEC
22047 566 310 15 VTR PUNTO NET S.A.
3816 526 222 99 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 456 34 31 Telefonica del Sur S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
3741 264 987 226 The Internet Solution
6713 203 199 12 Itissalat Al-MAGHRIB
33776 194 12 15 Starcomms Nigeria Limited
29571 193 17 11 Ci Telecom Autonomous system
16637 161 440 90 MTN Network Solutions
36874 139 24 6 Cybersmart
29975 131 475 17 Vodacom
37061 108 9 2 One Communications Ltd
15706 106 16 5 Sudatel Internet Exchange Aut
37054 85 5 21 Data Telecom Service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3710 3855 265 bellsouth.net, inc.
4323 2629 1109 404 Time Warner Telecom
4766 1915 9485 526 Korea Telecom (KIX)
19262 1841 4943 285 Verizon Global Networks
1785 1787 697 133 PaeTec Communications, Inc.
7545 1594 301 82 TPG Internet Pty Ltd
20115 1519 1529 643 Charter Communications
6478 1476 291 56 AT&T Worldnet Services
4755 1401 636 159 TATA Communications formerly
17974 1395 467 27 PT TELEKOMUNIKASI INDONESIA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2629 2225 Time Warner Telecom
1785 1787 1654 PaeTec Communications, Inc.
19262 1841 1556 Verizon Global Networks
7545 1594 1512 TPG Internet Pty Ltd
6478 1476 1420 AT&T Worldnet Services
4766 1915 1389 Korea Telecom (KIX)
17974 1395 1368 PT TELEKOMUNIKASI INDONESIA
4755 1401 1242 TATA Communications formerly
22773 1274 1197 Cox Communications, Inc.
10620 1358 1193 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
41.57.192.0/18 22750 BCSNET
41.78.192.0/22 30999 Emtel is GSM, 3G and ISP in M
41.222.79.0/24 36938 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:26 /11:71 /12:214
/13:440 /14:765 /15:1358 /16:11463 /17:5579 /18:9215
/19:18750 /20:24139 /21:24535 /22:32307 /23:30984 /24:177748
/25:979 /26:1061 /27:578 /28:162 /29:16 /30:2
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2289 3710 bellsouth.net, inc.
6478 1430 1476 AT&T Worldnet Services
4323 1417 2629 Time Warner Telecom
10620 1249 1358 TVCABLE BOGOTA
11492 1222 1266 Cable One
18566 1092 1111 Covad Communications
7011 1065 1168 Citizens Utilities
1785 1059 1787 PaeTec Communications, Inc.
19262 954 1841 Verizon Global Networks
6503 933 1149 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:167 2:30 4:13 5:1 8:331 12:2029
13:1 14:381 15:15 16:3 17:8 20:9
23:1 24:1466 27:548 32:61 33:5 34:2
36:1 37:1 38:693 40:101 41:1617 42:1
44:3 46:514 47:5 49:143 50:74 52:12
55:6 56:2 57:30 58:870 59:483 60:391
61:1119 62:783 63:1924 64:3761 65:2331 66:4068
67:1754 68:998 69:2866 70:717 71:392 72:1987
73:1 74:2302 75:293 76:329 77:851 78:692
79:436 80:1022 81:767 82:508 83:470 84:458
85:1044 86:512 87:727 88:359 89:1579 90:159
91:3424 92:492 93:1041 94:1154 95:779 96:413
97:249 98:756 99:33 101:24 107:3 108:81
109:856 110:471 111:695 112:313 113:346 114:495
115:635 116:879 117:673 118:646 119:1031 120:234
121:702 122:1610 123:1050 124:1269 125:1213 128:247
129:158 130:174 131:570 132:110 133:20 134:218
135:49 136:216 137:147 138:293 139:120 140:491
141:198 142:360 143:377 144:488 145:51 146:426
147:194 148:625 149:273 150:151 151:230 152:303
153:175 154:3 155:346 156:174 157:341 158:128
159:377 160:313 161:203 162:277 163:117 164:484
165:336 166:481 167:422 168:739 169:150 170:746
171:66 172:1 173:1264 174:511 175:308 176:1
177:4 178:760 180:754 182:399 183:251 184:207
186:957 187:799 188:906 189:1015 190:4438 192:5782
193:4796 194:3466 195:2930 196:1024 197:3 198:3551
199:3749 200:5585 201:1583 202:8274 203:8431 204:4092
205:2347 206:2533 207:2967 208:3884 209:3493 210:2629
211:1330 212:1852 213:1622 214:751 215:62 216:4824
217:1489 218:526 219:375 220:1202 221:448 222:319
223:93

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 05 Feb, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 344448
Prefixes after maximum aggregation: 155332
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 170039
Total ASes present in the Internet Routing Table: 35787
Prefixes per ASN: 9.62
Origin-only ASes present in the Internet Routing Table: 30852
Origin ASes announcing only one prefix: 14951
Transit ASes present in the Internet Routing Table: 4935
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 397
Unregistered ASNs in the Routing Table: 129
Number of 32-bit ASNs allocated by the RIRs: 1077
Prefixes from 32-bit ASNs in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 203
Number of addresses announced to Internet: 2380656448
Equivalent to 141 /8s, 229 /16s and 239 /24s
Percentage of available address space announced: 64.2
Percentage of allocated address space announced: 65.7
Percentage of available address space allocated: 97.7
Percentage of address space in use by end-sites: 88.1
Total number of prefixes smaller than registry allocations: 142101

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 85206
Total APNIC prefixes after maximum aggregation: 28888
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 81892
Unique aggregates announced from the APNIC address blocks: 35574
APNIC Region origin ASes present in the Internet Routing Table: 4314
APNIC Prefixes per ASN: 18.98
APNIC Region origin ASes announcing only one prefix: 1208
APNIC Region transit ASes present in the Internet Routing Table: 687
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 586924320
Equivalent to 34 /8s, 251 /16s and 193 /24s
Percentage of available APNIC address space announced: 76.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 106/8,
110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8,
117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8,
124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8,
183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8,
220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 138523
Total ARIN prefixes after maximum aggregation: 70948
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 109351
Unique aggregates announced from the ARIN address blocks: 44581
ARIN Region origin ASes present in the Internet Routing Table: 14172
ARIN Prefixes per ASN: 7.72
ARIN Region origin ASes announcing only one prefix: 5410
ARIN Region transit ASes present in the Internet Routing Table: 1468
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 751911808
Equivalent to 44 /8s, 209 /16s and 67 /24s
Percentage of available ARIN address space announced: 63.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 54/8,
55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8,
68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8,
75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8,
107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 81469
Total RIPE prefixes after maximum aggregation: 46272
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 74776
Unique aggregates announced from the RIPE address blocks: 48554
RIPE Region origin ASes present in the Internet Routing Table: 15262
RIPE Prefixes per ASN: 4.90
RIPE Region origin ASes announcing only one prefix: 7770
RIPE Region transit ASes present in the Internet Routing Table: 2373
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 457667392
Equivalent to 27 /8s, 71 /16s and 115 /24s
Percentage of available RIPE address space announced: 75.8

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8,
217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31580
Total LACNIC prefixes after maximum aggregation: 7273
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 30338
Unique aggregates announced from the LACNIC address blocks: 15849
LACNIC Region origin ASes present in the Internet Routing Table: 1424
LACNIC Prefixes per ASN: 21.30
LACNIC Region origin ASes announcing only one prefix: 430
LACNIC Region transit ASes present in the Internet Routing Table: 250
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 80422528
Equivalent to 4 /8s, 203 /16s and 38 /24s
Percentage of available LACNIC address space announced: 59.9

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7450
Total AfriNIC prefixes after maximum aggregation: 1839
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 5872
Unique aggregates announced from the AfriNIC address blocks: 1790
AfriNIC Region origin ASes present in the Internet Routing Table: 436
AfriNIC Prefixes per ASN: 13.47
AfriNIC Region origin ASes announcing only one prefix: 132
AfriNIC Region transit ASes present in the Internet Routing Table: 96
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21818624
Equivalent to 1 /8s, 76 /16s and 237 /24s
Percentage of available AfriNIC address space announced: 43.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1914 9485 525 Korea Telecom (KIX)
7545 1619 301 84 TPG Internet Pty Ltd
4755 1409 637 161 TATA Communications formerly
17974 1391 467 27 PT TELEKOMUNIKASI INDONESIA
24560 1099 318 182 Bharti Airtel Ltd., Telemedia
9583 1044 76 490 Sify Limited
4808 1034 2130 292 CNCGROUP IP network: China169
17488 952 162 104 Hathway IP Over Cable Interne
18101 928 117 144 Reliance Infocom Ltd Internet
9829 895 762 41 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3704 3855 265 bellsouth.net, inc.
4323 2622 1109 403 Time Warner Telecom
19262 1842 4949 287 Verizon Global Networks
1785 1784 697 132 PaeTec Communications, Inc.
20115 1522 1532 642 Charter Communications
6478 1482 291 81 AT&T Worldnet Services
7018 1353 6673 871 AT&T WorldNet Services
2386 1295 553 933 AT&T Data Communications Serv
22773 1278 2865 78 Cox Communications, Inc.
11492 1264 235 79 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 515 1764 319 UPC Distribution Services
9198 464 266 14 Kazakhtelecom Data Network Ad
34984 458 97 137 BILISIM TELEKOM
3292 447 2011 390 TDC Tele Danmark
8866 440 133 23 Bulgarian Telecommunication C
3320 407 7620 355 Deutsche Telekom AG
8551 403 353 46 Bezeq International
702 397 1817 310 UUNET - Commercial IP service
20940 387 89 296 Akamai Technologies European
3301 382 1822 340 TeliaNet Sweden

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1357 252 162 TVCABLE BOGOTA
8151 1332 2647 359 UniNet S.A. de C.V.
28573 1238 961 82 NET Servicos de Comunicao S.A
6503 1187 355 78 AVANTEL, S.A.
7303 882 461 112 Telecom Argentina Stet-France
14420 625 56 93 CORPORACION NACIONAL DE TELEC
22047 548 310 15 VTR PUNTO NET S.A.
3816 500 220 94 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 456 34 31 Telefonica del Sur S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 800 445 11 TEDATA
24863 761 147 39 LINKdotNET AS number
36992 635 329 19 Etisalat MISR
3741 264 987 226 The Internet Solution
24835 217 78 10 RAYA Telecom - Egypt
6713 203 199 12 Itissalat Al-MAGHRIB
33776 194 12 15 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
16637 146 422 83 MTN Network Solutions
29975 132 490 17 Vodacom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3704 3855 265 bellsouth.net, inc.
4323 2622 1109 403 Time Warner Telecom
4766 1914 9485 525 Korea Telecom (KIX)
19262 1842 4949 287 Verizon Global Networks
1785 1784 697 132 PaeTec Communications, Inc.
7545 1619 301 84 TPG Internet Pty Ltd
20115 1522 1532 642 Charter Communications
6478 1482 291 81 AT&T Worldnet Services
4755 1409 637 161 TATA Communications formerly
17974 1391 467 27 PT TELEKOMUNIKASI INDONESIA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2622 2219 Time Warner Telecom
1785 1784 1652 PaeTec Communications, Inc.
19262 1842 1555 Verizon Global Networks
7545 1619 1535 TPG Internet Pty Ltd
6478 1482 1401 AT&T Worldnet Services
4766 1914 1389 Korea Telecom (KIX)
17974 1391 1364 PT TELEKOMUNIKASI INDONESIA
4755 1409 1248 TATA Communications formerly
22773 1278 1200 Cox Communications, Inc.
10620 1357 1195 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
41.78.192.0/22 30999 Emtel is GSM, 3G and ISP in M
41.78.228.0/22 5713 Telkom SA Ltd
41.222.79.0/24 36938 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:11 /10:26 /11:72 /12:221
/13:445 /14:772 /15:1371 /16:11547 /17:5632 /18:9292
/19:18815 /20:24292 /21:24666 /22:32814 /23:31471 /24:180138
/25:995 /26:1072 /27:587 /28:163 /29:16 /30:3
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2283 3704 bellsouth.net, inc.
6478 1436 1482 AT&T Worldnet Services
4323 1412 2622 Time Warner Telecom
10620 1248 1357 TVCABLE BOGOTA
11492 1221 1264 Cable One
18566 1160 1182 Covad Communications
7011 1063 1164 Citizens Utilities
1785 1053 1784 PaeTec Communications, Inc.
6503 963 1187 AVANTEL, S.A.
19262 954 1842 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:169 2:39 4:13 5:1 8:334 12:2027
13:1 14:396 15:15 16:3 17:8 20:9
23:1 24:1465 27:570 32:61 33:5 34:2
37:1 38:695 40:101 41:2326 44:3 46:563
47:5 49:143 50:84 52:12 55:5 56:2
57:31 58:866 59:483 60:391 61:1116 62:1065
63:1919 64:3753 65:2358 66:4116 67:1760 68:1004
69:2878 70:717 71:397 72:1992 73:1 74:2322
75:293 76:329 77:848 78:702 79:440 80:1044
81:808 82:534 83:473 84:645 85:1046 86:533
87:732 88:356 89:1584 90:157 91:3458 92:494
93:1038 94:1195 95:791 96:416 97:250 98:759
99:33 101:23 107:3 108:82 109:863 110:472
111:693 112:312 113:354 114:495 115:641 116:922
117:676 118:649 119:1020 120:240 121:698 122:1612
123:1053 124:1269 125:1216 128:264 129:152 130:172
131:567 132:110 133:20 134:217 135:49 136:216
137:147 138:290 139:120 140:490 141:196 142:362
143:376 144:483 145:51 146:425 147:193 148:626
149:273 150:151 151:230 152:306 153:177 154:3
155:347 156:173 157:342 158:128 159:380 160:315
161:205 162:278 163:159 164:486 165:338 166:481
167:420 168:741 169:152 170:750 171:66 172:2
173:1275 174:521 175:314 176:1 177:12 178:752
180:778 182:340 183:250 184:208 186:988 187:790
188:912 189:1053 190:4357 192:5785 193:4800 194:3500
195:2946 196:1176 197:3 198:3579 199:3755 200:5592
201:1579 202:8263 203:8417 204:4097 205:2341 206:2632
207:3083 208:3884 209:3499 210:2641 211:1332 212:1859
213:1717 214:757 215:62 216:4796 217:1615 218:528
219:376 220:1202 221:449 222:319 223:95

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 12 Feb, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 345778
Prefixes after maximum aggregation: 155766
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 170953
Total ASes present in the Internet Routing Table: 35854
Prefixes per ASN: 9.64
Origin-only ASes present in the Internet Routing Table: 30896
Origin ASes announcing only one prefix: 14961
Transit ASes present in the Internet Routing Table: 4958
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 332
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 1110
Prefixes from 32-bit ASNs in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 205
Number of addresses announced to Internet: 2391302464
Equivalent to 142 /8s, 136 /16s and 97 /24s
Percentage of available address space announced: 64.5
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 87.9
Total number of prefixes smaller than registry allocations: 142918

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 85341
Total APNIC prefixes after maximum aggregation: 28875
APNIC Deaggregation factor: 2.96
Prefixes being announced from the APNIC address blocks: 82125
Unique aggregates announced from the APNIC address blocks: 35753
APNIC Region origin ASes present in the Internet Routing Table: 4317
APNIC Prefixes per ASN: 19.02
APNIC Region origin ASes announcing only one prefix: 1203
APNIC Region transit ASes present in the Internet Routing Table: 690
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 587134752
Equivalent to 34 /8s, 254 /16s and 247 /24s
Percentage of available APNIC address space announced: 74.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 139230
Total ARIN prefixes after maximum aggregation: 71212
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 110113
Unique aggregates announced from the ARIN address blocks: 44882
ARIN Region origin ASes present in the Internet Routing Table: 14196
ARIN Prefixes per ASN: 7.76
ARIN Region origin ASes announcing only one prefix: 5420
ARIN Region transit ASes present in the Internet Routing Table: 1476
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 786454144
Equivalent to 46 /8s, 224 /16s and 86 /24s
Percentage of available ARIN address space announced: 62.5

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 81886
Total RIPE prefixes after maximum aggregation: 46434
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 75207
Unique aggregates announced from the RIPE address blocks: 48805
RIPE Region origin ASes present in the Internet Routing Table: 15293
RIPE Prefixes per ASN: 4.92
RIPE Region origin ASes announcing only one prefix: 7772
RIPE Region transit ASes present in the Internet Routing Table: 2377
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 459033920
Equivalent to 27 /8s, 92 /16s and 77 /24s
Percentage of available RIPE address space announced: 73.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31630
Total LACNIC prefixes after maximum aggregation: 7330
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 30383
Unique aggregates announced from the LACNIC address blocks: 15919
LACNIC Region origin ASes present in the Internet Routing Table: 1430
LACNIC Prefixes per ASN: 21.25
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 258
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 80671104
Equivalent to 4 /8s, 206 /16s and 241 /24s
Percentage of available LACNIC address space announced: 53.4

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7471
Total AfriNIC prefixes after maximum aggregation: 1804
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 5880
Unique aggregates announced from the AfriNIC address blocks: 1832
AfriNIC Region origin ASes present in the Internet Routing Table: 435
AfriNIC Prefixes per ASN: 13.52
AfriNIC Region origin ASes announcing only one prefix: 131
AfriNIC Region transit ASes present in the Internet Routing Table: 93
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21855488
Equivalent to 1 /8s, 77 /16s and 125 /24s
Percentage of available AfriNIC address space announced: 32.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 1991 9487 584 Korea Telecom (KIX)
7545 1633 301 84 TPG Internet Pty Ltd
4755 1412 633 161 TATA Communications formerly
17974 1408 467 28 PT TELEKOMUNIKASI INDONESIA
24560 1108 323 181 Bharti Airtel Ltd., Telemedia
4808 1042 2142 294 CNCGROUP IP network: China169
9583 1042 76 487 Sify Limited
17488 952 162 104 Hathway IP Over Cable Interne
18101 929 117 144 Reliance Infocom Ltd Internet
9829 898 763 42 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3704 3855 264 bellsouth.net, inc.
4323 2625 1109 403 Time Warner Telecom
19262 1842 4951 283 Verizon Global Networks
1785 1786 697 131 PaeTec Communications, Inc.
20115 1529 1534 646 Charter Communications
6478 1500 296 62 AT&T Worldnet Services
7018 1353 6673 870 AT&T WorldNet Services
2386 1299 553 936 AT&T Data Communications Serv
11492 1282 236 73 Cable One
18566 1282 311 104 Covad Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 511 1764 316 UPC Distribution Services
9198 465 266 14 Kazakhtelecom Data Network Ad
34984 456 97 137 BILISIM TELEKOM
3292 445 1996 387 TDC Tele Danmark
8866 440 133 23 Bulgarian Telecommunication C
3320 406 7620 355 Deutsche Telekom AG
8551 403 353 46 Bezeq International
20940 401 93 308 Akamai Technologies European
702 395 1800 308 UUNET - Commercial IP service
3301 383 1822 341 TeliaNet Sweden

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1371 255 165 TVCABLE BOGOTA
8151 1342 2663 359 UniNet S.A. de C.V.
28573 1237 961 82 NET Servicos de Comunicao S.A
6503 1189 355 78 AVANTEL, S.A.
7303 872 445 142 Telecom Argentina Stet-France
14420 638 57 92 CORPORACION NACIONAL DE TELEC
22047 543 310 15 VTR PUNTO NET S.A.
3816 503 220 94 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
27947 458 53 53 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 771 445 11 TEDATA
24863 763 147 39 LINKdotNET AS number
36992 584 305 17 Etisalat MISR
3741 264 987 226 The Internet Solution
15475 220 56 9 Nile Online
24835 218 78 10 RAYA Telecom - Egypt
6713 205 199 12 Itissalat Al-MAGHRIB
33776 194 12 15 Starcomms Nigeria Limited
29571 193 19 11 Ci Telecom Autonomous system
16637 147 422 83 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3704 3855 264 bellsouth.net, inc.
4323 2625 1109 403 Time Warner Telecom
4766 1991 9487 584 Korea Telecom (KIX)
19262 1842 4951 283 Verizon Global Networks
1785 1786 697 131 PaeTec Communications, Inc.
7545 1633 301 84 TPG Internet Pty Ltd
20115 1529 1534 646 Charter Communications
6478 1500 296 62 AT&T Worldnet Services
4755 1412 633 161 TATA Communications formerly
17974 1408 467 28 PT TELEKOMUNIKASI INDONESIA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2625 2222 Time Warner Telecom
1785 1786 1655 PaeTec Communications, Inc.
19262 1842 1559 Verizon Global Networks
7545 1633 1549 TPG Internet Pty Ltd
6478 1500 1438 AT&T Worldnet Services
4766 1991 1407 Korea Telecom (KIX)
17974 1408 1380 PT TELEKOMUNIKASI INDONESIA
4755 1412 1251 TATA Communications formerly
11492 1282 1209 Cable One
10620 1371 1206 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
31.28.0.0/19 29076 Hoster.RU autonomous system
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
39.0.0.0/8 237 Merit Network
41.57.192.0/18 22750 BCSNET

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:10 /10:26 /11:71 /12:215
/13:444 /14:764 /15:1364 /16:11492 /17:5636 /18:9315
/19:18823 /20:24344 /21:24767 /22:32958 /23:31632 /24:181055
/25:986 /26:1087 /27:570 /28:171 /29:16 /30:3
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2283 3704 bellsouth.net, inc.
6478 1454 1500 AT&T Worldnet Services
4323 1414 2625 Time Warner Telecom
10620 1262 1371 TVCABLE BOGOTA
18566 1260 1282 Covad Communications
11492 1239 1282 Cable One
7011 1062 1165 Citizens Utilities
1785 1055 1786 PaeTec Communications, Inc.
6503 966 1189 AVANTEL, S.A.
19262 954 1842 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:177 2:45 4:13 5:1 8:331 12:2028
13:1 14:412 15:15 16:3 17:8 20:9
23:1 24:1480 27:579 32:61 33:5 34:2
37:1 38:701 40:101 41:2285 44:3 46:585
47:5 49:145 50:82 52:12 55:7 56:2
57:32 58:868 59:477 60:391 61:1114 62:1095
63:1944 64:3781 65:2363 66:4163 67:1761 68:1025
69:2914 70:739 71:400 72:2006 73:1 74:2324
75:292 76:345 77:864 78:705 79:444 80:1048
81:824 82:538 83:471 84:645 85:1052 86:553
87:740 88:355 89:1574 90:156 91:3462 92:494
93:1040 94:1200 95:754 96:428 97:251 98:792
99:33 101:27 107:3 108:88 109:955 110:471
111:695 112:311 113:360 114:502 115:640 116:934
117:679 118:668 119:1021 120:239 121:702 122:1634
123:1061 124:1270 125:1225 128:264 129:153 130:172
131:570 132:109 133:20 134:217 135:49 136:216
137:147 138:291 139:117 140:492 141:196 142:358
143:387 144:483 145:51 146:431 147:202 148:635
149:274 150:161 151:229 152:306 153:179 154:3
155:350 156:176 157:342 158:129 159:380 160:314
161:205 162:272 163:161 164:486 165:339 166:498
167:422 168:742 169:151 170:750 171:69 172:2
173:1289 174:519 175:315 176:1 177:4 178:758
180:796 182:350 183:240 184:209 186:988 187:809
188:908 189:1044 190:4340 192:5797 193:4799 194:3504
195:2955 196:1177 197:3 198:3576 199:3829 200:5573
201:1580 202:8272 203:8432 204:4115 205:2337 206:2631
207:3081 208:3899 209:3496 210:2650 211:1334 212:1886
213:1731 214:756 215:62 216:4885 217:1612 218:532
219:376 220:1203 221:449 222:313 223:97

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 19 Feb, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 347279
Prefixes after maximum aggregation: 156690
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 171504
Total ASes present in the Internet Routing Table: 35911
Prefixes per ASN: 9.67
Origin-only ASes present in the Internet Routing Table: 30942
Origin ASes announcing only one prefix: 14976
Transit ASes present in the Internet Routing Table: 4969
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 333
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 1131
Prefixes from 32-bit ASNs in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 206
Number of addresses announced to Internet: 2396213440
Equivalent to 142 /8s, 211 /16s and 80 /24s
Percentage of available address space announced: 64.6
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 88.0
Total number of prefixes smaller than registry allocations: 143943

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 85964
Total APNIC prefixes after maximum aggregation: 29310
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 82763
Unique aggregates announced from the APNIC address blocks: 35864
APNIC Region origin ASes present in the Internet Routing Table: 4330
APNIC Prefixes per ASN: 19.11
APNIC Region origin ASes announcing only one prefix: 1205
APNIC Region transit ASes present in the Internet Routing Table: 691
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 589615904
Equivalent to 35 /8s, 36 /16s and 211 /24s
Percentage of available APNIC address space announced: 74.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 139812
Total ARIN prefixes after maximum aggregation: 71478
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 110606
Unique aggregates announced from the ARIN address blocks: 44958
ARIN Region origin ASes present in the Internet Routing Table: 14208
ARIN Prefixes per ASN: 7.78
ARIN Region origin ASes announcing only one prefix: 5412
ARIN Region transit ASes present in the Internet Routing Table: 1470
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 27
Number of ARIN addresses announced to Internet: 787367552
Equivalent to 46 /8s, 238 /16s and 70 /24s
Percentage of available ARIN address space announced: 62.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 82060
Total RIPE prefixes after maximum aggregation: 46598
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 75405
Unique aggregates announced from the RIPE address blocks: 49074
RIPE Region origin ASes present in the Internet Routing Table: 15325
RIPE Prefixes per ASN: 4.92
RIPE Region origin ASes announcing only one prefix: 7790
RIPE Region transit ASes present in the Internet Routing Table: 2392
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 460222144
Equivalent to 27 /8s, 110 /16s and 110 /24s
Percentage of available RIPE address space announced: 74.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31784
Total LACNIC prefixes after maximum aggregation: 7387
LACNIC Deaggregation factor: 4.30
Prefixes being announced from the LACNIC address blocks: 30548
Unique aggregates announced from the LACNIC address blocks: 15959
LACNIC Region origin ASes present in the Internet Routing Table: 1429
LACNIC Prefixes per ASN: 21.38
LACNIC Region origin ASes announcing only one prefix: 436
LACNIC Region transit ASes present in the Internet Routing Table: 261
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 80804992
Equivalent to 4 /8s, 208 /16s and 252 /24s
Percentage of available LACNIC address space announced: 53.5

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7445
Total AfriNIC prefixes after maximum aggregation: 1807
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 5842
Unique aggregates announced from the AfriNIC address blocks: 1841
AfriNIC Region origin ASes present in the Internet Routing Table: 437
AfriNIC Prefixes per ASN: 13.37
AfriNIC Region origin ASes announcing only one prefix: 132
AfriNIC Region transit ASes present in the Internet Routing Table: 95
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21857280
Equivalent to 1 /8s, 77 /16s and 132 /24s
Percentage of available AfriNIC address space announced: 32.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2307 9497 819 Korea Telecom (KIX)
7545 1628 302 87 TPG Internet Pty Ltd
4755 1417 634 163 TATA Communications formerly
17974 1409 475 29 PT TELEKOMUNIKASI INDONESIA
24560 1113 323 182 Bharti Airtel Ltd., Telemedia
9583 1044 77 488 Sify Limited
4808 1042 2142 294 CNCGROUP IP network: China169
17488 950 162 103 Hathway IP Over Cable Interne
18101 929 117 141 Reliance Infocom Ltd Internet
9829 898 763 42 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3694 3855 261 bellsouth.net, inc.
4323 2623 1109 405 Time Warner Telecom
19262 1843 4955 283 Verizon Global Networks
1785 1784 697 131 PaeTec Communications, Inc.
20115 1527 1534 646 Charter Communications
6478 1510 295 78 AT&T Worldnet Services
18566 1433 320 158 Covad Communications
7018 1358 6674 878 AT&T WorldNet Services
2386 1297 553 934 AT&T Data Communications Serv
11492 1280 236 73 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 513 1764 318 UPC Distribution Services
9198 468 267 15 Kazakhtelecom Data Network Ad
34984 463 98 143 BILISIM TELEKOM
3292 447 1996 388 TDC Tele Danmark
8866 440 133 23 Bulgarian Telecommunication C
20940 412 99 318 Akamai Technologies European
3320 410 7620 357 Deutsche Telekom AG
8551 403 353 46 Bezeq International
702 396 1800 309 UUNET - Commercial IP service
3301 383 1822 341 TeliaNet Sweden

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1374 255 166 TVCABLE BOGOTA
8151 1342 2664 359 UniNet S.A. de C.V.
28573 1232 961 82 NET Servicos de Comunicao S.A
6503 1187 354 73 AVANTEL, S.A.
7303 898 463 142 Telecom Argentina Stet-France
14420 638 57 92 CORPORACION NACIONAL DE TELEC
22047 545 310 15 VTR PUNTO NET S.A.
3816 508 221 97 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 461 34 33 Telefonica del Sur S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
24863 763 147 39 LINKdotNET AS number
8452 730 445 11 TEDATA
15475 496 90 12 Nile Online
36992 301 271 14 Etisalat MISR
3741 264 987 226 The Internet Solution
24835 219 78 10 RAYA Telecom - Egypt
6713 205 199 12 Itissalat Al-MAGHRIB
33776 194 12 15 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
16637 149 422 85 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3694 3855 261 bellsouth.net, inc.
4323 2623 1109 405 Time Warner Telecom
4766 2307 9497 819 Korea Telecom (KIX)
19262 1843 4955 283 Verizon Global Networks
1785 1784 697 131 PaeTec Communications, Inc.
7545 1628 302 87 TPG Internet Pty Ltd
20115 1527 1534 646 Charter Communications
6478 1510 295 78 AT&T Worldnet Services
18566 1433 320 158 Covad Communications
4755 1417 634 163 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2623 2218 Time Warner Telecom
1785 1784 1653 PaeTec Communications, Inc.
19262 1843 1560 Verizon Global Networks
7545 1628 1541 TPG Internet Pty Ltd
4766 2307 1488 Korea Telecom (KIX)
6478 1510 1432 AT&T Worldnet Services
17974 1409 1380 PT TELEKOMUNIKASI INDONESIA
18566 1433 1275 Covad Communications
4755 1417 1254 TATA Communications formerly
10620 1374 1208 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
39.0.0.0/8 237 Merit Network
41.57.192.0/18 22750 BCSNET
41.222.79.0/24 36938 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:21 /9:10 /10:26 /11:72 /12:215
/13:445 /14:764 /15:1368 /16:11511 /17:5649 /18:9326
/19:18851 /20:24423 /21:24899 /22:33017 /23:31756 /24:181723
/25:1076 /26:1274 /27:657 /28:169 /29:16 /30:3
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2281 3694 bellsouth.net, inc.
6478 1464 1510 AT&T Worldnet Services
4323 1413 2623 Time Warner Telecom
18566 1411 1433 Covad Communications
10620 1265 1374 TVCABLE BOGOTA
11492 1237 1280 Cable One
1785 1054 1784 PaeTec Communications, Inc.
7011 1054 1157 Citizens Utilities
6503 969 1187 AVANTEL, S.A.
19262 954 1843 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:196 2:42 4:13 5:1 8:334 12:2029
13:1 14:409 15:15 16:3 17:8 20:9
23:1 24:1489 27:587 32:60 33:4 34:2
37:1 38:706 40:101 41:2241 44:3 46:617
47:4 49:149 50:93 52:12 55:2 56:2
57:32 58:862 59:475 60:391 61:1107 62:1053
63:1940 64:3828 65:2349 66:4224 67:1781 68:1028
69:2949 70:736 71:403 72:2020 73:1 74:2344
75:292 76:346 77:871 78:710 79:446 80:1053
81:823 82:503 83:475 84:634 85:1043 86:559
87:750 88:355 89:1573 90:157 91:3516 92:493
93:1039 94:1208 95:768 96:453 97:251 98:824
99:33 101:31 107:3 108:88 109:929 110:480
111:706 112:314 113:369 114:500 115:656 116:928
117:687 118:675 119:1021 120:242 121:701 122:1627
123:1052 124:1286 125:1257 128:266 129:156 130:170
131:569 132:109 133:20 134:216 135:49 136:215
137:146 138:292 139:119 140:494 141:203 142:359
143:376 144:486 145:51 146:437 147:199 148:638
149:276 150:160 151:229 152:298 153:180 154:3
155:349 156:176 157:342 158:129 159:380 160:313
161:206 162:274 163:161 164:486 165:338 166:502
167:422 168:737 169:150 170:754 171:69 172:11
173:1318 174:530 175:317 176:1 177:9 178:783
180:810 182:361 183:247 184:210 186:1010 187:826
188:895 189:1067 190:4404 192:5802 193:4803 194:3509
195:2955 196:1191 197:3 198:3573 199:3834 200:5595
201:1581 202:8260 203:8442 204:4101 205:2341 206:2624
207:3086 208:3903 209:3496 210:2632 211:1340 212:1930
213:1737 214:739 215:62 216:4892 217:1621 218:540
219:379 220:1201 221:452 222:312 223:100

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 26 Feb, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 348212
Prefixes after maximum aggregation: 157161
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 171859
Total ASes present in the Internet Routing Table: 35939
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 30974
Origin ASes announcing only one prefix: 14951
Transit ASes present in the Internet Routing Table: 4965
Transit-only ASes present in the Internet Routing Table: 120
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 340
Unregistered ASNs in the Routing Table: 141
Number of 32-bit ASNs allocated by the RIRs: 1141
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 202
Number of addresses announced to Internet: 2366402016
Equivalent to 141 /8s, 12 /16s and 109 /24s
Percentage of available address space announced: 63.8
Percentage of allocated address space announced: 63.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 88.1
Total number of prefixes smaller than registry allocations: 144236

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 86615
Total APNIC prefixes after maximum aggregation: 29555
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 83423
Unique aggregates announced from the APNIC address blocks: 35959
APNIC Region origin ASes present in the Internet Routing Table: 4335
APNIC Prefixes per ASN: 19.24
APNIC Region origin ASes announcing only one prefix: 1203
APNIC Region transit ASes present in the Internet Routing Table: 691
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 592208160
Equivalent to 35 /8s, 76 /16s and 97 /24s
Percentage of available APNIC address space announced: 75.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 139724
Total ARIN prefixes after maximum aggregation: 71567
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 110380
Unique aggregates announced from the ARIN address blocks: 45012
ARIN Region origin ASes present in the Internet Routing Table: 14211
ARIN Prefixes per ASN: 7.77
ARIN Region origin ASes announcing only one prefix: 5395
ARIN Region transit ASes present in the Internet Routing Table: 1471
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 787499648
Equivalent to 46 /8s, 240 /16s and 74 /24s
Percentage of available ARIN address space announced: 62.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 82337
Total RIPE prefixes after maximum aggregation: 46749
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 75631
Unique aggregates announced from the RIPE address blocks: 49313
RIPE Region origin ASes present in the Internet Routing Table: 15346
RIPE Prefixes per ASN: 4.93
RIPE Region origin ASes announcing only one prefix: 7786
RIPE Region transit ASes present in the Internet Routing Table: 2386
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 461025600
Equivalent to 27 /8s, 122 /16s and 177 /24s
Percentage of available RIPE address space announced: 74.3

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31872
Total LACNIC prefixes after maximum aggregation: 7374
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 30668
Unique aggregates announced from the LACNIC address blocks: 15906
LACNIC Region origin ASes present in the Internet Routing Table: 1435
LACNIC Prefixes per ASN: 21.37
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 264
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 80968832
Equivalent to 4 /8s, 211 /16s and 124 /24s
Percentage of available LACNIC address space announced: 53.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7451
Total AfriNIC prefixes after maximum aggregation: 1805
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 5870
Unique aggregates announced from the AfriNIC address blocks: 1836
AfriNIC Region origin ASes present in the Internet Routing Table: 434
AfriNIC Prefixes per ASN: 13.53
AfriNIC Region origin ASes announcing only one prefix: 133
AfriNIC Region transit ASes present in the Internet Routing Table: 92
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21888000
Equivalent to 1 /8s, 77 /16s and 252 /24s
Percentage of available AfriNIC address space announced: 32.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2421 9501 886 Korea Telecom (KIX)
7545 1614 302 85 TPG Internet Pty Ltd
4755 1418 634 164 TATA Communications formerly
17974 1415 475 29 PT TELEKOMUNIKASI INDONESIA
24560 1115 323 184 Bharti Airtel Ltd., Telemedia
4808 1046 2142 294 CNCGROUP IP network: China169
9583 1045 77 488 Sify Limited
17488 940 161 102 Hathway IP Over Cable Interne
18101 931 117 139 Reliance Infocom Ltd Internet
9829 895 761 45 BSNL National Internet Backbo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3690 3855 261 bellsouth.net, inc.
4323 2604 1109 404 Time Warner Telecom
19262 1787 4954 285 Verizon Global Networks
1785 1786 697 131 PaeTec Communications, Inc.
20115 1528 1535 647 Charter Communications
6478 1522 296 84 AT&T Worldnet Services
18566 1447 321 156 Covad Communications
7018 1357 6689 874 AT&T WorldNet Services
2386 1297 553 933 AT&T Data Communications Serv
11492 1286 236 70 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 514 1780 319 UPC Distribution Services
9198 470 267 15 Kazakhtelecom Data Network Ad
34984 465 98 145 BILISIM TELEKOM
3292 447 1996 388 TDC Tele Danmark
8866 442 133 23 Bulgarian Telecommunication C
20940 412 98 316 Akamai Technologies European
3320 410 7620 357 Deutsche Telekom AG
8551 403 353 46 Bezeq International
702 396 1800 310 UUNET - Commercial IP service
3301 383 1822 341 TeliaNet Sweden

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1383 257 166 TVCABLE BOGOTA
8151 1353 2686 362 UniNet S.A. de C.V.
28573 1234 961 82 NET Servicos de Comunicao S.A
6503 1169 354 73 AVANTEL, S.A.
7303 907 464 145 Telecom Argentina Stet-France
14420 641 57 94 CORPORACION NACIONAL DE TELEC
22047 543 310 15 VTR PUNTO NET S.A.
3816 508 221 101 Empresa Nacional de Telecomun
7738 478 922 30 Telecomunicacoes da Bahia S.A
11172 462 83 82 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 770 445 11 TEDATA
24863 692 147 39 LINKdotNET AS number
15475 473 90 12 Nile Online
36992 299 271 14 Etisalat MISR
3741 264 987 226 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 218 78 10 RAYA Telecom - Egypt
6713 205 199 12 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 156 439 87 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3690 3855 261 bellsouth.net, inc.
4323 2604 1109 404 Time Warner Telecom
4766 2421 9501 886 Korea Telecom (KIX)
19262 1787 4954 285 Verizon Global Networks
1785 1786 697 131 PaeTec Communications, Inc.
7545 1614 302 85 TPG Internet Pty Ltd
20115 1528 1535 647 Charter Communications
6478 1522 296 84 AT&T Worldnet Services
18566 1447 321 156 Covad Communications
4755 1418 634 164 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2604 2200 Time Warner Telecom
1785 1786 1655 PaeTec Communications, Inc.
4766 2421 1535 Korea Telecom (KIX)
7545 1614 1529 TPG Internet Pty Ltd
19262 1787 1502 Verizon Global Networks
6478 1522 1438 AT&T Worldnet Services
17974 1415 1386 PT TELEKOMUNIKASI INDONESIA
18566 1447 1291 Covad Communications
4755 1418 1254 TATA Communications formerly
10620 1383 1217 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
5.0.0.0/16 12654 RIPE NCC RIS Project
5.1.0.0/21 12654 RIPE NCC RIS Project
5.1.24.0/24 12654 RIPE NCC RIS Project
24.129.192.0/19 7922 Continental Cablevision
31.43.64.0/19 30886 ISP LvivLan autonomous system
37.0.0.0/16 12654 RIPE NCC RIS Project
37.1.0.0/21 12654 RIPE NCC RIS Project
37.1.24.0/24 12654 RIPE NCC RIS Project
41.57.192.0/18 22750 BCSNET
41.222.79.0/24 36938 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:10 /10:26 /11:72 /12:215
/13:444 /14:765 /15:1372 /16:11536 /17:5667 /18:9352
/19:18904 /20:24452 /21:24996 /22:33336 /23:31719 /24:181897
/25:1150 /26:1378 /27:706 /28:169 /29:16 /30:3
/31:0 /32:8

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2277 3690 bellsouth.net, inc.
6478 1476 1522 AT&T Worldnet Services
18566 1425 1447 Covad Communications
4323 1403 2604 Time Warner Telecom
10620 1274 1383 TVCABLE BOGOTA
11492 1243 1286 Cable One
7011 1056 1158 Citizens Utilities
1785 1054 1786 PaeTec Communications, Inc.
6503 952 1169 AVANTEL, S.A.
19262 899 1787 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:251 2:40 4:13 5:1 8:333 12:2029
13:1 14:412 15:15 16:3 17:8 20:9
23:1 24:1493 27:596 32:60 33:4 34:2
37:1 38:706 40:101 41:2307 44:3 46:641
47:4 49:153 50:95 52:12 55:2 56:2
57:31 58:865 59:475 60:383 61:1108 62:1042
63:1940 64:3848 65:2360 66:4254 67:1778 68:1030
69:2892 70:730 71:399 72:2012 73:1 74:2350
75:292 76:346 77:854 78:697 79:445 80:1064
81:812 82:522 83:464 84:636 85:1046 86:576
87:738 88:355 89:1578 90:157 91:3542 92:494
93:1047 94:1207 95:771 96:455 97:251 98:790
99:33 101:35 107:3 108:88 109:930 110:484
111:718 112:315 113:369 114:499 115:651 116:946
117:685 118:685 119:1020 120:244 121:696 122:1624
123:1056 124:1291 125:1258 128:266 129:156 130:173
131:568 132:108 133:20 134:220 135:49 136:215
137:146 138:294 139:117 140:490 141:203 142:355
143:386 144:484 145:51 146:441 147:199 148:636
149:273 150:169 151:229 152:298 153:179 154:3
155:377 156:176 157:344 158:128 159:381 160:315
161:208 162:276 163:156 164:486 165:339 166:502
167:411 168:737 169:150 170:755 171:69 172:2
173:1224 174:505 175:320 176:1 177:23 178:771
180:816 181:2 182:363 183:247 184:213 186:1020
187:828 188:896 189:1055 190:4423 192:5806 193:4798
194:3503 195:2964 196:1194 197:3 198:3586 199:3833
200:5603 201:1577 202:8292 203:8444 204:4085 205:2300
206:2644 207:3073 208:3922 209:3485 210:2646 211:1347
212:1932 213:1739 214:768 215:63 216:4856 217:1639
218:547 219:365 220:1201 221:452 222:314 223:104


End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 05 Mar, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 349307
Prefixes after maximum aggregation: 157488
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 172148
Total ASes present in the Internet Routing Table: 36007
Prefixes per ASN: 9.70
Origin-only ASes present in the Internet Routing Table: 31031
Origin ASes announcing only one prefix: 14946
Transit ASes present in the Internet Routing Table: 4976
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 375
Unregistered ASNs in the Routing Table: 164
Number of 32-bit ASNs allocated by the RIRs: 1169
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 258
Number of addresses announced to Internet: 2455757344
Equivalent to 146 /8s, 95 /16s and 226 /24s
Percentage of available address space announced: 66.3
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 89.1
Total number of prefixes smaller than registry allocations: 144961

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 86769
Total APNIC prefixes after maximum aggregation: 29668
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 83555
Unique aggregates announced from the APNIC address blocks: 36074
APNIC Region origin ASes present in the Internet Routing Table: 4337
APNIC Prefixes per ASN: 19.27
APNIC Region origin ASes announcing only one prefix: 1198
APNIC Region transit ASes present in the Internet Routing Table: 690
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 594716448
Equivalent to 35 /8s, 114 /16s and 167 /24s
Percentage of available APNIC address space announced: 75.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140246
Total ARIN prefixes after maximum aggregation: 71637
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 110832
Unique aggregates announced from the ARIN address blocks: 44959
ARIN Region origin ASes present in the Internet Routing Table: 14236
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5417
ARIN Region transit ASes present in the Internet Routing Table: 1476
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 787480704
Equivalent to 46 /8s, 240 /16s and 0 /24s
Percentage of available ARIN address space announced: 62.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 82597
Total RIPE prefixes after maximum aggregation: 46884
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 75881
Unique aggregates announced from the RIPE address blocks: 49204
RIPE Region origin ASes present in the Internet Routing Table: 15386
RIPE Prefixes per ASN: 4.93
RIPE Region origin ASes announcing only one prefix: 7770
RIPE Region transit ASes present in the Internet Routing Table: 2391
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 478711936
Equivalent to 28 /8s, 136 /16s and 144 /24s
Percentage of available RIPE address space announced: 77.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31972
Total LACNIC prefixes after maximum aggregation: 7376
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 30817
Unique aggregates announced from the LACNIC address blocks: 16093
LACNIC Region origin ASes present in the Internet Routing Table: 1434
LACNIC Prefixes per ASN: 21.49
LACNIC Region origin ASes announcing only one prefix: 433
LACNIC Region transit ASes present in the Internet Routing Table: 263
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 81347200
Equivalent to 4 /8s, 217 /16s and 66 /24s
Percentage of available LACNIC address space announced: 53.9

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7507
Total AfriNIC prefixes after maximum aggregation: 1815
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 5903
Unique aggregates announced from the AfriNIC address blocks: 1957
AfriNIC Region origin ASes present in the Internet Routing Table: 433
AfriNIC Prefixes per ASN: 13.63
AfriNIC Region origin ASes announcing only one prefix: 128
AfriNIC Region transit ASes present in the Internet Routing Table: 96
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 21862912
Equivalent to 1 /8s, 77 /16s and 154 /24s
Percentage of available AfriNIC address space announced: 32.6

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2419 9501 891 Korea Telecom (KIX)
7545 1603 301 83 TPG Internet Pty Ltd
4755 1421 638 165 TATA Communications formerly
17974 1405 475 29 PT TELEKOMUNIKASI INDONESIA
24560 1120 323 185 Bharti Airtel Ltd., Telemedia
4808 1046 2142 294 CNCGROUP IP network: China169
9583 1045 77 488 Sify Limited
17488 940 161 102 Hathway IP Over Cable Interne
9829 898 764 46 BSNL National Internet Backbo
18101 878 115 139 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3683 3855 260 bellsouth.net, inc.
4323 2582 1109 403 Time Warner Telecom
19262 1829 4953 282 Verizon Global Networks
1785 1790 697 131 PaeTec Communications, Inc.
6478 1531 297 94 AT&T Worldnet Services
20115 1527 1534 650 Charter Communications
18566 1522 326 178 Covad Communications
7018 1364 6706 885 AT&T WorldNet Services
2386 1296 537 939 AT&T Data Communications Serv
11492 1288 236 70 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 514 1780 319 UPC Distribution Services
9198 470 267 15 Kazakhtelecom Data Network Ad
34984 466 98 146 BILISIM TELEKOM
3292 448 1996 389 TDC Tele Danmark
8866 442 133 23 Bulgarian Telecommunication C
20940 415 99 319 Akamai Technologies European
3320 406 7604 354 Deutsche Telekom AG
8551 405 355 38 Bezeq International
702 396 1800 310 UUNET - Commercial IP service
12479 394 577 6 Uni2 Autonomous System

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1382 257 165 TVCABLE BOGOTA
8151 1361 2700 363 UniNet S.A. de C.V.
28573 1221 961 83 NET Servicos de Comunicao S.A
6503 1174 354 73 AVANTEL, S.A.
7303 911 464 147 Telecom Argentina Stet-France
14420 644 56 93 CORPORACION NACIONAL DE TELEC
22047 541 310 15 VTR PUNTO NET S.A.
3816 514 225 96 Empresa Nacional de Telecomun
7738 479 922 30 Telecomunicacoes da Bahia S.A
11172 463 83 82 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 795 445 11 TEDATA
24863 766 147 39 LINKdotNET AS number
15475 439 90 10 Nile Online
36992 301 271 14 Etisalat MISR
3741 266 987 228 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 222 78 10 RAYA Telecom - Egypt
29571 192 17 11 Ci Telecom Autonomous system
6713 187 191 17 Itissalat Al-MAGHRIB
16637 147 439 87 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3683 3855 260 bellsouth.net, inc.
4323 2582 1109 403 Time Warner Telecom
4766 2419 9501 891 Korea Telecom (KIX)
19262 1829 4953 282 Verizon Global Networks
1785 1790 697 131 PaeTec Communications, Inc.
7545 1603 301 83 TPG Internet Pty Ltd
6478 1531 297 94 AT&T Worldnet Services
20115 1527 1534 650 Charter Communications
18566 1522 326 178 Covad Communications
4755 1421 638 165 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2582 2179 Time Warner Telecom
1785 1790 1659 PaeTec Communications, Inc.
19262 1829 1547 Verizon Global Networks
4766 2419 1528 Korea Telecom (KIX)
7545 1603 1520 TPG Internet Pty Ltd
6478 1531 1437 AT&T Worldnet Services
17974 1405 1376 PT TELEKOMUNIKASI INDONESIA
18566 1522 1344 Covad Communications
4755 1421 1256 TATA Communications formerly
11492 1288 1218 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
1.5.0.0/16 38639 NTT Communications Corporatio
1.6.0.0/15 38639 NTT Communications Corporatio
1.8.0.0/16 38639 NTT Communications Corporatio
1.20.0.0/16 38639 NTT Communications Corporatio
1.32.0.0/16 38639 NTT Communications Corporatio
1.37.0.0/16 38639 NTT Communications Corporatio
1.187.0.0/16 38639 NTT Communications Corporatio
14.0.0.0/24 38639 NTT Communications Corporatio
14.0.1.0/24 38639 NTT Communications Corporatio
14.0.2.0/23 38639 NTT Communications Corporatio

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:24 /9:10 /10:26 /11:73 /12:217
/13:446 /14:764 /15:1371 /16:11553 /17:5660 /18:9343
/19:18973 /20:24536 /21:25127 /22:33465 /23:31886 /24:182381
/25:1154 /26:1395 /27:713 /28:171 /29:9 /30:3
/31:0 /32:7

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2272 3683 bellsouth.net, inc.
18566 1500 1522 Covad Communications
6478 1485 1531 AT&T Worldnet Services
4323 1391 2582 Time Warner Telecom
10620 1273 1382 TVCABLE BOGOTA
11492 1245 1288 Cable One
7011 1057 1158 Citizens Utilities
1785 1055 1790 PaeTec Communications, Inc.
6503 956 1174 AVANTEL, S.A.
19262 941 1829 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:262 2:61 4:14 5:1 8:339 9:1
12:2029 13:1 14:423 15:15 16:3 17:8
20:9 23:1 24:1508 27:600 31:3 32:60
33:4 34:2 36:2 37:1 38:706 39:1
40:101 41:2295 42:13 44:3 46:686 47:4
49:164 50:174 52:13 55:3 56:2 57:41
58:857 59:477 60:384 61:1108 62:1022 63:1926
64:3850 65:2347 66:4323 67:1777 68:1067 69:2875
70:699 71:406 72:1997 73:1 74:2356 75:291
76:342 77:846 78:697 79:444 80:1058 81:791
82:522 83:463 84:636 85:1046 86:574 87:753
88:357 89:1568 90:169 91:3573 92:493 93:1053
94:1224 95:782 96:463 97:253 98:812 99:33
101:50 106:1 107:4 108:127 109:910 110:471
111:712 112:319 113:388 114:510 115:668 116:955
117:677 118:688 119:1045 120:255 121:701 122:1624
123:1043 124:1290 125:1258 128:266 129:165 130:172
131:562 132:108 133:20 134:219 135:49 136:211
137:146 138:295 139:118 140:486 141:203 142:374
143:386 144:487 145:51 146:435 147:203 148:638
149:273 150:166 151:229 152:299 153:180 154:3
155:376 156:178 157:343 158:127 159:378 160:311
161:210 162:278 163:155 164:486 165:345 166:501
167:409 168:728 169:157 170:758 171:69 172:2
173:1245 174:519 175:321 176:1 177:33 178:786
180:809 181:4 182:387 183:242 184:249 186:1033
187:812 188:906 189:1031 190:4580 192:5769 193:4792
194:3502 195:2953 196:1196 197:4 198:3576 199:3838
200:5577 201:1583 202:8235 203:8430 204:4108 205:2303
206:2652 207:3069 208:3901 209:3483 210:2638 211:1356
212:1927 213:1730 214:758 215:63 216:4843 217:1653
218:544 219:373 220:1152 221:473 222:319 223:104


End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 12 Mar, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 350049
Prefixes after maximum aggregation: 157788
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 172931
Total ASes present in the Internet Routing Table: 36036
Prefixes per ASN: 9.71
Origin-only ASes present in the Internet Routing Table: 31061
Origin ASes announcing only one prefix: 14941
Transit ASes present in the Internet Routing Table: 4975
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 392
Unregistered ASNs in the Routing Table: 178
Number of 32-bit ASNs allocated by the RIRs: 1191
Prefixes from 32-bit ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 252
Number of addresses announced to Internet: 2467281824
Equivalent to 147 /8s, 15 /16s and 187 /24s
Percentage of available address space announced: 66.6
Percentage of allocated address space announced: 66.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 89.1
Total number of prefixes smaller than registry allocations: 145075

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 87220
Total APNIC prefixes after maximum aggregation: 29669
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 84042
Unique aggregates announced from the APNIC address blocks: 36224
APNIC Region origin ASes present in the Internet Routing Table: 4339
APNIC Prefixes per ASN: 19.37
APNIC Region origin ASes announcing only one prefix: 1194
APNIC Region transit ASes present in the Internet Routing Table: 690
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 595474464
Equivalent to 35 /8s, 126 /16s and 56 /24s
Percentage of available APNIC address space announced: 75.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140487
Total ARIN prefixes after maximum aggregation: 71719
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 110994
Unique aggregates announced from the ARIN address blocks: 44983
ARIN Region origin ASes present in the Internet Routing Table: 14247
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5417
ARIN Region transit ASes present in the Internet Routing Table: 1472
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 796431232
Equivalent to 47 /8s, 120 /16s and 147 /24s
Percentage of available ARIN address space announced: 63.3

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 82683
Total RIPE prefixes after maximum aggregation: 47102
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 76020
Unique aggregates announced from the RIPE address blocks: 49879
RIPE Region origin ASes present in the Internet Routing Table: 15397
RIPE Prefixes per ASN: 4.94
RIPE Region origin ASes announcing only one prefix: 7770
RIPE Region transit ASes present in the Internet Routing Table: 2401
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 480842752
Equivalent to 28 /8s, 169 /16s and 20 /24s
Percentage of available RIPE address space announced: 77.5

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 31952
Total LACNIC prefixes after maximum aggregation: 7382
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 30818
Unique aggregates announced from the LACNIC address blocks: 16131
LACNIC Region origin ASes present in the Internet Routing Table: 1438
LACNIC Prefixes per ASN: 21.43
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 264
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 81386624
Equivalent to 4 /8s, 217 /16s and 220 /24s
Percentage of available LACNIC address space announced: 53.9

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7497
Total AfriNIC prefixes after maximum aggregation: 1812
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 5880
Unique aggregates announced from the AfriNIC address blocks: 1850
AfriNIC Region origin ASes present in the Internet Routing Table: 434
AfriNIC Prefixes per ASN: 13.55
AfriNIC Region origin ASes announcing only one prefix: 129
AfriNIC Region transit ASes present in the Internet Routing Table: 94
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 22031360
Equivalent to 1 /8s, 80 /16s and 44 /24s
Percentage of available AfriNIC address space announced: 32.8

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2421 9508 892 Korea Telecom (KIX)
7545 1594 301 84 TPG Internet Pty Ltd
4755 1473 653 157 TATA Communications formerly
17974 1413 468 29 PT TELEKOMUNIKASI INDONESIA
24560 1120 324 186 Bharti Airtel Ltd., Telemedia
9583 1048 77 488 Sify Limited
4808 1046 2142 294 CNCGROUP IP network: China169
9829 1005 868 53 BSNL National Internet Backbo
17488 944 162 100 Hathway IP Over Cable Interne
18101 938 117 144 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3681 3839 259 bellsouth.net, inc.
4323 2584 1109 403 Time Warner Telecom
19262 1829 4953 282 Verizon Global Networks
1785 1792 681 131 PaeTec Communications, Inc.
6478 1538 298 75 AT&T Worldnet Services
20115 1526 1534 650 Charter Communications
18566 1524 326 180 Covad Communications
7018 1365 6706 887 AT&T WorldNet Services
11492 1311 236 66 Cable One
2386 1294 537 934 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 515 1780 318 UPC Distribution Services
9198 470 267 15 Kazakhtelecom Data Network Ad
3292 450 1996 389 TDC Tele Danmark
34984 449 95 200 BILISIM TELEKOM
8866 443 133 23 Bulgarian Telecommunication C
20940 411 98 314 Akamai Technologies European
3320 407 7604 353 Deutsche Telekom AG
8551 403 353 46 Bezeq International
12479 401 577 6 Uni2 Autonomous System
8402 397 320 11 Corbina telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1384 258 163 TVCABLE BOGOTA
8151 1243 2700 368 UniNet S.A. de C.V.
28573 1234 963 83 NET Servicos de Comunicao S.A
6503 1181 354 72 AVANTEL, S.A.
7303 919 464 148 Telecom Argentina Stet-France
14420 644 56 93 CORPORACION NACIONAL DE TELEC
22047 541 310 15 VTR PUNTO NET S.A.
3816 514 225 97 Empresa Nacional de Telecomun
11172 488 83 82 Servicios Alestra S.A de C.V
7738 479 922 30 Telecomunicacoes da Bahia S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 791 445 11 TEDATA
24863 762 147 36 LINKdotNET AS number
15475 419 90 8 Nile Online
36992 300 271 14 Etisalat MISR
3741 266 987 228 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 228 78 10 RAYA Telecom - Egypt
6713 204 199 11 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 141 422 85 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3681 3839 259 bellsouth.net, inc.
4323 2584 1109 403 Time Warner Telecom
4766 2421 9508 892 Korea Telecom (KIX)
19262 1829 4953 282 Verizon Global Networks
1785 1792 681 131 PaeTec Communications, Inc.
7545 1594 301 84 TPG Internet Pty Ltd
6478 1538 298 75 AT&T Worldnet Services
20115 1526 1534 650 Charter Communications
18566 1524 326 180 Covad Communications
4755 1473 653 157 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2584 2181 Time Warner Telecom
1785 1792 1661 PaeTec Communications, Inc.
19262 1829 1547 Verizon Global Networks
4766 2421 1529 Korea Telecom (KIX)
7545 1594 1510 TPG Internet Pty Ltd
6478 1538 1463 AT&T Worldnet Services
17974 1413 1384 PT TELEKOMUNIKASI INDONESIA
18566 1524 1344 Covad Communications
4755 1473 1316 TATA Communications formerly
11492 1311 1245 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
1.5.0.0/16 38639 NTT Communications Corporatio
1.6.0.0/15 38639 NTT Communications Corporatio
1.8.0.0/16 38639 NTT Communications Corporatio
1.20.0.0/16 38639 NTT Communications Corporatio
1.32.0.0/16 38639 NTT Communications Corporatio
1.37.0.0/16 38639 NTT Communications Corporatio
1.187.0.0/16 38639 NTT Communications Corporatio
14.0.0.0/24 38639 NTT Communications Corporatio
14.0.1.0/24 38639 NTT Communications Corporatio
14.0.2.0/23 38639 NTT Communications Corporatio

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:24 /9:11 /10:26 /11:73 /12:216
/13:447 /14:768 /15:1370 /16:11556 /17:5669 /18:9352
/19:19025 /20:24651 /21:25208 /22:33478 /23:32020 /24:182909
/25:1136 /26:1330 /27:720 /28:42 /29:9 /30:3
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2271 3681 bellsouth.net, inc.
18566 1502 1524 Covad Communications
6478 1492 1538 AT&T Worldnet Services
4323 1391 2584 Time Warner Telecom
10620 1275 1384 TVCABLE BOGOTA
11492 1268 1311 Cable One
7011 1058 1158 Citizens Utilities
1785 1055 1792 PaeTec Communications, Inc.
6503 959 1181 AVANTEL, S.A.
19262 941 1829 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:271 2:57 4:14 5:1 8:340 12:2027
13:1 14:429 15:15 16:3 17:8 20:9
23:3 24:1515 27:608 31:2 32:60 33:4
34:2 36:2 37:1 38:714 39:1 40:101
41:2306 42:13 44:3 46:703 47:4 49:164
50:197 52:13 55:2 56:2 57:32 58:860
59:495 60:386 61:1133 62:1013 63:1922 64:3867
65:2351 66:4339 67:1775 68:1063 69:2886 70:701
71:399 72:2007 73:1 74:2351 75:283 76:341
77:837 78:699 79:445 80:1093 81:801 82:514
83:462 84:644 85:1044 86:571 87:753 88:350
89:1568 90:174 91:3593 92:486 93:1045 94:1216
95:778 96:471 97:251 98:805 99:34 101:58
106:1 107:4 108:129 109:905 110:477 111:720
112:320 113:379 114:496 115:711 116:958 117:678
118:719 119:1036 120:256 121:753 122:1615 123:1042
124:1298 125:1262 128:266 129:168 130:171 131:560
132:110 133:20 134:220 135:49 136:212 137:146
138:298 139:110 140:487 141:203 142:377 143:379
144:493 145:52 146:424 147:194 148:640 149:276
150:161 151:229 152:298 153:180 154:3 155:377
156:179 157:345 158:131 159:371 160:312 161:211
162:277 163:160 164:487 165:352 166:496 167:410
168:728 169:156 170:760 171:69 172:2 173:1259
174:516 175:328 177:35 178:804 180:813 181:4
182:384 183:243 184:233 186:1044 187:837 188:919
189:1032 190:4561 192:5756 193:4780 194:3483 195:2948
196:1171 197:4 198:3581 199:3867 200:5585 201:1585
202:8302 203:8484 204:4106 205:2305 206:2653 207:3071
208:3909 209:3484 210:2686 211:1348 212:1932 213:1716
214:751 215:63 216:4844 217:1653 218:554 219:382
220:1199 221:476 222:318 223:101

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 19 Mar, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 350396
Prefixes after maximum aggregation: 158064
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 173325
Total ASes present in the Internet Routing Table: 36104
Prefixes per ASN: 9.71
Origin-only ASes present in the Internet Routing Table: 31128
Origin ASes announcing only one prefix: 14967
Transit ASes present in the Internet Routing Table: 4976
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 419
Unregistered ASNs in the Routing Table: 197
Number of 32-bit ASNs allocated by the RIRs: 1207
Prefixes from 32-bit ASNs in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 195
Number of addresses announced to Internet: 2389006912
Equivalent to 142 /8s, 101 /16s and 90 /24s
Percentage of available address space announced: 64.5
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 89.5
Total number of prefixes smaller than registry allocations: 145036

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 87454
Total APNIC prefixes after maximum aggregation: 29725
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 84332
Unique aggregates announced from the APNIC address blocks: 36512
APNIC Region origin ASes present in the Internet Routing Table: 4355
APNIC Prefixes per ASN: 19.36
APNIC Region origin ASes announcing only one prefix: 1209
APNIC Region transit ASes present in the Internet Routing Table: 688
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 599437120
Equivalent to 35 /8s, 186 /16s and 175 /24s
Percentage of available APNIC address space announced: 76.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140255
Total ARIN prefixes after maximum aggregation: 71845
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 110784
Unique aggregates announced from the ARIN address blocks: 45089
ARIN Region origin ASes present in the Internet Routing Table: 14268
ARIN Prefixes per ASN: 7.76
ARIN Region origin ASes announcing only one prefix: 5424
ARIN Region transit ASes present in the Internet Routing Table: 1481
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 796960256
Equivalent to 47 /8s, 128 /16s and 166 /24s
Percentage of available ARIN address space announced: 63.3

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 82861
Total RIPE prefixes after maximum aggregation: 47241
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 76228
Unique aggregates announced from the RIPE address blocks: 49953
RIPE Region origin ASes present in the Internet Routing Table: 15431
RIPE Prefixes per ASN: 4.94
RIPE Region origin ASes announcing only one prefix: 7778
RIPE Region transit ASes present in the Internet Routing Table: 2398
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE addresses announced to Internet: 465167872
Equivalent to 27 /8s, 185 /16s and 230 /24s
Percentage of available RIPE address space announced: 74.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32138
Total LACNIC prefixes after maximum aggregation: 7344
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 31063
Unique aggregates announced from the LACNIC address blocks: 16158
LACNIC Region origin ASes present in the Internet Routing Table: 1433
LACNIC Prefixes per ASN: 21.68
LACNIC Region origin ASes announcing only one prefix: 428
LACNIC Region transit ASes present in the Internet Routing Table: 261
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 81506688
Equivalent to 4 /8s, 219 /16s and 177 /24s
Percentage of available LACNIC address space announced: 54.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7476
Total AfriNIC prefixes after maximum aggregation: 1806
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 5882
Unique aggregates announced from the AfriNIC address blocks: 1800
AfriNIC Region origin ASes present in the Internet Routing Table: 434
AfriNIC Prefixes per ASN: 13.55
AfriNIC Region origin ASes announcing only one prefix: 127
AfriNIC Region transit ASes present in the Internet Routing Table: 93
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC addresses announced to Internet: 22062080
Equivalent to 1 /8s, 80 /16s and 164 /24s
Percentage of available AfriNIC address space announced: 32.9

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2426 9508 896 Korea Telecom (KIX)
7545 1569 301 84 TPG Internet Pty Ltd
4755 1476 653 158 TATA Communications formerly
17974 1443 480 34 PT TELEKOMUNIKASI INDONESIA
24560 1134 324 187 Bharti Airtel Ltd., Telemedia
9583 1047 77 490 Sify Limited
4808 1046 2142 294 CNCGROUP IP network: China169
9829 1004 868 53 BSNL National Internet Backbo
18101 939 117 143 Reliance Infocom Ltd Internet
17488 936 162 96 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3675 3839 259 bellsouth.net, inc.
4323 2569 1093 402 Time Warner Telecom
1785 1792 681 131 PaeTec Communications, Inc.
18566 1606 331 194 Covad Communications
6478 1551 300 76 AT&T Worldnet Services
20115 1527 1536 645 Charter Communications
19262 1488 4939 299 Verizon Global Networks
7018 1368 6835 887 AT&T WorldNet Services
11492 1314 236 64 Cable One
2386 1289 536 929 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 515 1780 318 UPC Distribution Services
9198 472 267 15 Kazakhtelecom Data Network Ad
34984 455 95 203 BILISIM TELEKOM
3292 453 2013 391 TDC Tele Danmark
8866 443 133 24 Bulgarian Telecommunication C
20940 411 98 314 Akamai Technologies European
3320 406 7604 354 Deutsche Telekom AG
8551 403 353 46 Bezeq International
12479 403 577 6 Uni2 Autonomous System
8402 398 320 11 Corbina telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1392 259 163 TVCABLE BOGOTA
28573 1243 965 82 NET Servicos de Comunicao S.A
8151 1238 2702 368 UniNet S.A. de C.V.
6503 1175 354 73 AVANTEL, S.A.
7303 923 464 147 Telecom Argentina Stet-France
14420 639 52 91 CORPORACION NACIONAL DE TELEC
22047 543 310 15 VTR PUNTO NET S.A.
3816 513 225 97 Empresa Nacional de Telecomun
13489 491 213 106 Orbitel S.A. E.S.P.
11172 487 99 81 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 791 445 11 TEDATA
24863 773 147 39 LINKdotNET AS number
15475 420 90 8 Nile Online
36992 297 271 14 Etisalat MISR
3741 266 987 228 The Internet Solution
33776 230 13 5 Starcomms Nigeria Limited
24835 220 78 10 RAYA Telecom - Egypt
6713 207 199 11 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 147 439 87 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3675 3839 259 bellsouth.net, inc.
4323 2569 1093 402 Time Warner Telecom
4766 2426 9508 896 Korea Telecom (KIX)
1785 1792 681 131 PaeTec Communications, Inc.
18566 1606 331 194 Covad Communications
7545 1569 301 84 TPG Internet Pty Ltd
6478 1551 300 76 AT&T Worldnet Services
20115 1527 1536 645 Charter Communications
19262 1488 4939 299 Verizon Global Networks
4755 1476 653 158 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2569 2167 Time Warner Telecom
1785 1792 1661 PaeTec Communications, Inc.
4766 2426 1530 Korea Telecom (KIX)
7545 1569 1485 TPG Internet Pty Ltd
6478 1551 1475 AT&T Worldnet Services
18566 1606 1412 Covad Communications
17974 1443 1409 PT TELEKOMUNIKASI INDONESIA
4755 1476 1318 TATA Communications formerly
11492 1314 1250 Cable One
10620 1392 1229 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
31.31.96.0/19 6876 TeNeT Autonomous System
31.31.160.0/21 50168 Bogal AB
41.57.192.0/18 22750 BCSNET
41.222.79.0/24 36938 >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:11 /10:26 /11:74 /12:217
/13:447 /14:767 /15:1373 /16:11566 /17:5690 /18:9398
/19:19019 /20:24711 /21:25164 /22:33584 /23:32079 /24:183044
/25:1126 /26:1302 /27:722 /28:40 /29:9 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2268 3675 bellsouth.net, inc.
18566 1585 1606 Covad Communications
6478 1505 1551 AT&T Worldnet Services
4323 1380 2569 Time Warner Telecom
10620 1283 1392 TVCABLE BOGOTA
11492 1271 1314 Cable One
7011 1062 1162 Citizens Utilities
1785 1057 1792 PaeTec Communications, Inc.
6503 955 1175 AVANTEL, S.A.
22773 835 1287 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:272 2:61 4:14 5:1 8:342 12:2021
13:1 14:422 15:15 16:3 17:8 20:10
23:3 24:1558 27:654 31:2 32:60 33:3
34:2 37:1 38:714 39:1 40:101 41:2279
44:3 46:731 47:4 49:162 50:109 52:13
55:3 56:2 57:32 58:866 59:492 60:386
61:1149 62:997 63:1926 64:3873 65:2353 66:4367
67:1771 68:1076 69:2905 70:698 71:359 72:1935
73:1 74:2325 75:284 76:343 77:844 78:697
79:453 80:1091 81:817 82:515 83:466 84:645
85:1042 86:554 87:756 88:353 89:1565 90:174
91:3642 92:504 93:1042 94:1226 95:782 96:448
97:251 98:799 99:34 101:49 106:1 107:4
108:72 109:908 110:520 111:715 112:320 113:374
114:504 115:713 116:968 117:674 118:723 119:1077
120:257 121:767 122:1609 123:1042 124:1300 125:1248
128:265 129:170 130:172 131:551 132:100 133:20
134:215 135:49 136:212 137:145 138:299 139:113
140:479 141:173 142:377 143:382 144:473 145:52
146:436 147:208 148:615 149:275 150:161 151:187
152:298 153:180 154:3 155:375 156:185 157:348
158:127 159:372 160:313 161:212 162:278 163:164
164:489 165:351 166:499 167:411 168:722 169:156
170:761 171:69 172:2 173:1250 174:522 175:333
177:43 178:810 180:791 181:4 182:398 183:245
184:228 185:1 186:1056 187:865 188:914 189:1031
190:4750 192:5768 193:4792 194:3494 195:2945 196:1178
197:15 198:3566 199:3873 200:5523 201:1586 202:8392
203:8467 204:4111 205:2310 206:2642 207:3025 208:3902
209:3486 210:2676 211:1352 212:1947 213:1702 214:756
215:66 216:4861 217:1647 218:550 219:381 220:1195
221:472 222:321 223:100

End of report
Re: Weekly Routing Table Report [ In reply to ]
On Sat, 19 Mar 2011, Routing Analysis Role Account wrote:

> Number of 32-bit ASNs allocated by the RIRs: 1207
> Prefixes from 32-bit ASNs in the Routing Table: 1

Is the report not getting the routes from the real 32bit ASNs or is the
above figures really accurate?

--
Mikael Abrahamsson email: swmike@swm.pp.se
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 26 Mar, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 351425
Prefixes after maximum aggregation: 159549
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 173538
Total ASes present in the Internet Routing Table: 37074
Prefixes per ASN: 9.48
Origin-only ASes present in the Internet Routing Table: 31157
Origin ASes announcing only one prefix: 14986
Transit ASes present in the Internet Routing Table: 4992
Transit-only ASes present in the Internet Routing Table: 129
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 451
Unregistered ASNs in the Routing Table: 217
Number of 32-bit ASNs allocated by the RIRs: 1230
Number of 32-bit ASNs visible in the Routing Table: 925
Prefixes from 32-bit ASNs in the Routing Table: 2001
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 191
Number of addresses announced to Internet: 2390772288
Equivalent to 142 /8s, 128 /16s and 74 /24s
Percentage of available address space announced: 64.5
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 89.6
Total number of prefixes smaller than registry allocations: 145378

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 87775
Total APNIC prefixes after maximum aggregation: 29913
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 84659
Unique aggregates announced from the APNIC address blocks: 36676
APNIC Region origin ASes present in the Internet Routing Table: 4370
APNIC Prefixes per ASN: 19.37
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 692
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 45
Number of APNIC addresses announced to Internet: 600588608
Equivalent to 35 /8s, 204 /16s and 65 /24s
Percentage of available APNIC address space announced: 76.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 138605
Total ARIN prefixes after maximum aggregation: 70811
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 111045
Unique aggregates announced from the ARIN address blocks: 44885
ARIN Region origin ASes present in the Internet Routing Table: 14277
ARIN Prefixes per ASN: 7.78
ARIN Region origin ASes announcing only one prefix: 5432
ARIN Region transit ASes present in the Internet Routing Table: 1472
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 10
Number of ARIN addresses announced to Internet: 797226496
Equivalent to 47 /8s, 132 /16s and 182 /24s
Percentage of available ARIN address space announced: 63.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 82875
Total RIPE prefixes after maximum aggregation: 47359
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 76234
Unique aggregates announced from the RIPE address blocks: 50044
RIPE Region origin ASes present in the Internet Routing Table: 15444
RIPE Prefixes per ASN: 4.94
RIPE Region origin ASes announcing only one prefix: 7777
RIPE Region transit ASes present in the Internet Routing Table: 2412
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 684
Number of RIPE addresses announced to Internet: 465041152
Equivalent to 27 /8s, 183 /16s and 247 /24s
Percentage of available RIPE address space announced: 74.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32341
Total LACNIC prefixes after maximum aggregation: 7367
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 31251
Unique aggregates announced from the LACNIC address blocks: 16237
LACNIC Region origin ASes present in the Internet Routing Table: 1436
LACNIC Prefixes per ASN: 21.76
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 265
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 181
Number of LACNIC addresses announced to Internet: 81456768
Equivalent to 4 /8s, 218 /16s and 238 /24s
Percentage of available LACNIC address space announced: 53.9

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7620
Total AfriNIC prefixes after maximum aggregation: 1814
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 5993
Unique aggregates announced from the AfriNIC address blocks: 1854
AfriNIC Region origin ASes present in the Internet Routing Table: 437
AfriNIC Prefixes per ASN: 13.71
AfriNIC Region origin ASes announcing only one prefix: 129
AfriNIC Region transit ASes present in the Internet Routing Table: 95
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 22659584
Equivalent to 1 /8s, 89 /16s and 194 /24s
Percentage of available AfriNIC address space announced: 33.8

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2409 9509 896 Korea Telecom (KIX)
7545 1553 301 83 TPG Internet Pty Ltd
4755 1481 653 159 TATA Communications formerly
17974 1455 480 33 PT TELEKOMUNIKASI INDONESIA
24560 1130 321 203 Bharti Airtel Ltd., Telemedia
9583 1055 77 493 Sify Limited
4808 1026 2096 294 CNCGROUP IP network: China169
9829 1004 868 53 BSNL National Internet Backbo
18101 938 116 142 Reliance Infocom Ltd Internet
17488 935 162 98 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3673 3838 257 bellsouth.net, inc.
4323 2566 1093 401 Time Warner Telecom
1785 1786 681 131 PaeTec Communications, Inc.
18566 1606 331 195 Covad Communications
6478 1571 302 36 AT&T Worldnet Services
20115 1530 1540 650 Charter Communications
19262 1487 4935 303 Verizon Global Networks
7018 1357 6675 883 AT&T WorldNet Services
11492 1325 240 15 Cable One
22773 1285 2865 79 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 515 1780 318 UPC Distribution Services
3292 454 2013 391 TDC Tele Danmark
34984 454 95 205 BILISIM TELEKOM
8866 443 133 24 Bulgarian Telecommunication C
9198 422 267 15 Kazakhtelecom Data Network Ad
3320 412 7604 359 Deutsche Telekom AG
20940 411 98 317 Akamai Technologies European
8551 402 353 46 Bezeq International
12479 397 577 6 Uni2 Autonomous System
702 393 1800 307 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1401 261 153 TVCABLE BOGOTA
28573 1248 970 83 NET Servicos de Comunicao S.A
8151 1236 2671 366 UniNet S.A. de C.V.
6503 1221 354 73 AVANTEL, S.A.
7303 923 465 148 Telecom Argentina Stet-France
14420 638 52 91 CORPORACION NACIONAL DE TELEC
22047 567 310 15 VTR PUNTO NET S.A.
3816 515 225 98 Empresa Nacional de Telecomun
13489 490 213 111 Orbitel S.A. E.S.P.
11172 487 83 80 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 843 445 11 TEDATA
24863 774 147 39 LINKdotNET AS number
15475 421 90 8 Nile Online
36992 298 271 14 Etisalat MISR
3741 265 985 227 The Internet Solution
24835 232 78 10 RAYA Telecom - Egypt
33776 230 13 5 Starcomms Nigeria Limited
6713 211 199 11 Itissalat Al-MAGHRIB
29571 192 17 11 Ci Telecom Autonomous system
16637 148 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3673 3838 257 bellsouth.net, inc.
4323 2566 1093 401 Time Warner Telecom
4766 2409 9509 896 Korea Telecom (KIX)
23456 2001 489 1093 32-bit ASN transition
1785 1786 681 131 PaeTec Communications, Inc.
18566 1606 331 195 Covad Communications
6478 1571 302 36 AT&T Worldnet Services
7545 1553 301 83 TPG Internet Pty Ltd
20115 1530 1540 650 Charter Communications
19262 1487 4935 303 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2566 2165 Time Warner Telecom
1785 1786 1655 PaeTec Communications, Inc.
6478 1571 1535 AT&T Worldnet Services
4766 2409 1513 Korea Telecom (KIX)
7545 1553 1470 TPG Internet Pty Ltd
17974 1455 1422 PT TELEKOMUNIKASI INDONESIA
18566 1606 1411 Covad Communications
4755 1481 1322 TATA Communications formerly
11492 1325 1310 Cable One
10620 1401 1248 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
2.56.0.0/16 44559 E-Rent LLC
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
31.186.112.0/21 8681 Jersey Telecoms Island Networ
31.186.160.0/21 35467 DataCenter Fryslan AS
41.57.192.0/18 22750 BCSNET

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:11 /10:26 /11:74 /12:218
/13:448 /14:766 /15:1370 /16:11586 /17:5699 /18:9423
/19:19078 /20:24728 /21:25237 /22:33660 /23:32188 /24:183717
/25:1131 /26:1289 /27:700 /28:40 /29:9 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2267 3673 bellsouth.net, inc.
18566 1585 1606 Covad Communications
6478 1525 1571 AT&T Worldnet Services
4323 1377 2566 Time Warner Telecom
10620 1292 1401 TVCABLE BOGOTA
11492 1273 1325 Cable One
23456 1085 2001 32-bit ASN transition
7011 1063 1164 Citizens Utilities
1785 1056 1786 PaeTec Communications, Inc.
6503 997 1221 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:288 2:54 4:14 5:1 8:346 12:2020
13:1 14:429 15:15 16:3 17:8 20:9
23:3 24:1571 27:699 31:14 32:60 33:3
34:2 37:1 38:749 39:1 40:101 41:2367
44:3 46:750 47:4 49:146 50:119 52:13
55:5 56:2 57:30 58:817 59:500 60:387
61:1167 62:1005 63:1919 64:3881 65:2354 66:4375
67:1799 68:1061 69:2912 70:701 71:359 72:1900
73:1 74:2327 75:284 76:337 77:842 78:696
79:455 80:1087 81:826 82:511 83:463 84:647
85:1027 86:553 87:760 88:343 89:1567 90:176
91:3657 92:504 93:1044 94:1228 95:776 96:452
97:251 98:809 99:35 101:49 106:1 107:4
108:47 109:925 110:517 111:703 112:325 113:378
114:511 115:720 116:972 117:672 118:758 119:1096
120:281 121:760 122:1607 123:1059 124:1323 125:1256
128:234 129:171 130:173 131:564 132:101 133:20
134:216 135:49 136:212 137:142 138:299 139:112
140:485 141:173 142:380 143:391 144:476 145:52
146:440 147:192 148:634 149:271 150:167 151:187
152:298 153:180 154:3 155:389 156:185 157:347
158:131 159:377 160:313 161:208 162:278 163:165
164:493 165:350 166:501 167:413 168:721 169:155
170:776 171:70 172:2 173:1256 174:529 175:350
177:66 178:756 180:791 181:4 182:411 183:239
184:230 185:1 186:1106 187:899 188:918 189:1027
190:4732 192:5768 193:4788 194:3487 195:2939 196:1212
197:15 198:3591 199:3885 200:5581 201:1585 202:8395
203:8458 204:4114 205:2313 206:2647 207:3025 208:3907
209:3496 210:2725 211:1363 212:1953 213:1712 214:761
215:66 216:4881 217:1621 218:556 219:382 220:1192
221:478 222:317 223:103

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 02 Apr, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 351604
Prefixes after maximum aggregation: 159727
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 174049
Total ASes present in the Internet Routing Table: 37146
Prefixes per ASN: 9.47
Origin-only ASes present in the Internet Routing Table: 31182
Origin ASes announcing only one prefix: 15020
Transit ASes present in the Internet Routing Table: 5019
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 24
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 516
Unregistered ASNs in the Routing Table: 226
Number of 32-bit ASNs allocated by the RIRs: 1247
Number of 32-bit ASNs visible in the Routing Table: 945
Prefixes from 32-bit ASNs in the Routing Table: 2086
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2393096992
Equivalent to 142 /8s, 163 /16s and 195 /24s
Percentage of available address space announced: 64.6
Percentage of allocated address space announced: 64.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 90.1
Total number of prefixes smaller than registry allocations: 145654

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 87503
Total APNIC prefixes after maximum aggregation: 29875
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 84414
Unique aggregates announced from the APNIC address blocks: 36682
APNIC Region origin ASes present in the Internet Routing Table: 4385
APNIC Prefixes per ASN: 19.25
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 696
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 45
Number of APNIC addresses announced to Internet: 601819680
Equivalent to 35 /8s, 223 /16s and 10 /24s
Percentage of available APNIC address space announced: 76.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 138612
Total ARIN prefixes after maximum aggregation: 70802
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 111113
Unique aggregates announced from the ARIN address blocks: 45000
ARIN Region origin ASes present in the Internet Routing Table: 14282
ARIN Prefixes per ASN: 7.78
ARIN Region origin ASes announcing only one prefix: 5446
ARIN Region transit ASes present in the Internet Routing Table: 1486
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 10
Number of ARIN addresses announced to Internet: 797373184
Equivalent to 47 /8s, 134 /16s and 243 /24s
Percentage of available ARIN address space announced: 63.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 83154
Total RIPE prefixes after maximum aggregation: 47505
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 76419
Unique aggregates announced from the RIPE address blocks: 50301
RIPE Region origin ASes present in the Internet Routing Table: 15463
RIPE Prefixes per ASN: 4.94
RIPE Region origin ASes announcing only one prefix: 7788
RIPE Region transit ASes present in the Internet Routing Table: 2418
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 698
Number of RIPE addresses announced to Internet: 465539072
Equivalent to 27 /8s, 191 /16s and 144 /24s
Percentage of available RIPE address space announced: 75.0

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32380
Total LACNIC prefixes after maximum aggregation: 7383
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 31277
Unique aggregates announced from the LACNIC address blocks: 16289
LACNIC Region origin ASes present in the Internet Routing Table: 1442
LACNIC Prefixes per ASN: 21.69
LACNIC Region origin ASes announcing only one prefix: 436
LACNIC Region transit ASes present in the Internet Routing Table: 264
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 187
Number of LACNIC addresses announced to Internet: 81603200
Equivalent to 4 /8s, 221 /16s and 42 /24s
Percentage of available LACNIC address space announced: 54.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7606
Total AfriNIC prefixes after maximum aggregation: 1823
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 5989
Unique aggregates announced from the AfriNIC address blocks: 1872
AfriNIC Region origin ASes present in the Internet Routing Table: 440
AfriNIC Prefixes per ASN: 13.61
AfriNIC Region origin ASes announcing only one prefix: 131
AfriNIC Region transit ASes present in the Internet Routing Table: 98
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 22723328
Equivalent to 1 /8s, 90 /16s and 187 /24s
Percentage of available AfriNIC address space announced: 33.9

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2431 9514 905 Korea Telecom (KIX)
7545 1543 301 83 TPG Internet Pty Ltd
17974 1445 480 33 PT TELEKOMUNIKASI INDONESIA
4755 1435 634 167 TATA Communications formerly
24560 1135 322 204 Bharti Airtel Ltd., Telemedia
9583 1055 77 494 Sify Limited
4808 1024 2100 290 CNCGROUP IP network: China169
9829 1006 869 51 BSNL National Internet Backbo
17488 940 162 98 Hathway IP Over Cable Interne
18101 935 116 139 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3670 3838 257 bellsouth.net, inc.
4323 2559 1090 396 Time Warner Telecom
1785 1787 681 131 PaeTec Communications, Inc.
18566 1606 331 195 Covad Communications
6478 1591 304 44 AT&T Worldnet Services
20115 1532 1541 641 Charter Communications
19262 1489 4935 303 Verizon Global Networks
7018 1356 6785 882 AT&T WorldNet Services
11492 1327 240 15 Cable One
22773 1292 2865 84 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 514 1780 318 UPC Distribution Services
34984 484 97 186 BILISIM TELEKOM
3292 454 2013 391 TDC Tele Danmark
8866 446 134 26 Bulgarian Telecommunication C
20940 428 108 330 Akamai Technologies European
9198 424 267 15 Kazakhtelecom Data Network Ad
3320 413 7604 359 Deutsche Telekom AG
8551 403 353 46 Bezeq International
12479 398 577 6 Uni2 Autonomous System
702 395 1800 308 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1405 262 152 TVCABLE BOGOTA
28573 1259 969 84 NET Servicos de Comunicao S.A
8151 1248 2680 372 UniNet S.A. de C.V.
6503 1116 354 72 AVANTEL, S.A.
7303 925 465 147 Telecom Argentina Stet-France
14420 642 52 91 CORPORACION NACIONAL DE TELEC
22047 567 310 15 VTR PUNTO NET S.A.
3816 515 225 98 Empresa Nacional de Telecomun
11172 486 83 79 Servicios Alestra S.A de C.V
27947 480 53 53 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 839 445 11 TEDATA
24863 774 147 39 LINKdotNET AS number
15475 421 90 8 Nile Online
36992 292 271 14 Etisalat MISR
3741 265 985 227 The Internet Solution
24835 232 78 10 RAYA Telecom - Egypt
6713 231 215 12 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
16637 146 441 85 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3670 3838 257 bellsouth.net, inc.
4323 2559 1090 396 Time Warner Telecom
4766 2431 9514 905 Korea Telecom (KIX)
23456 2086 503 1120 32-bit ASN transition
1785 1787 681 131 PaeTec Communications, Inc.
18566 1606 331 195 Covad Communications
6478 1591 304 44 AT&T Worldnet Services
7545 1543 301 83 TPG Internet Pty Ltd
20115 1532 1541 641 Charter Communications
19262 1489 4935 303 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2559 2163 Time Warner Telecom
1785 1787 1656 PaeTec Communications, Inc.
6478 1591 1547 AT&T Worldnet Services
4766 2431 1526 Korea Telecom (KIX)
7545 1543 1460 TPG Internet Pty Ltd
17974 1445 1412 PT TELEKOMUNIKASI INDONESIA
18566 1606 1411 Covad Communications
11492 1327 1312 Cable One
4755 1435 1268 TATA Communications formerly
10620 1405 1253 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
1.3.0.0/16 38639 NTT Communications Corporatio
2.56.0.0/16 44559 E-Rent LLC
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
31.170.224.0/19 29049 AzerSat LLC.
31.171.0.0/17 29049 AzerSat LLC.

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:11 /10:26 /11:74 /12:218
/13:448 /14:769 /15:1375 /16:11576 /17:5715 /18:9422
/19:19073 /20:24863 /21:25322 /22:33630 /23:32170 /24:183709
/25:1139 /26:1280 /27:708 /28:40 /29:9 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2264 3670 bellsouth.net, inc.
18566 1585 1606 Covad Communications
6478 1545 1591 AT&T Worldnet Services
4323 1377 2559 Time Warner Telecom
10620 1295 1405 TVCABLE BOGOTA
11492 1276 1327 Cable One
23456 1108 2086 32-bit ASN transition
7011 1064 1164 Citizens Utilities
1785 1056 1787 PaeTec Communications, Inc.
6503 900 1116 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:296 2:54 4:14 5:1 8:347 12:2014
13:1 14:430 15:15 16:3 17:8 20:9
23:5 24:1597 27:710 31:53 32:60 33:3
34:2 37:1 38:751 39:1 40:101 41:2370
42:1 44:3 46:791 47:4 49:141 50:139
52:13 55:7 56:2 57:30 58:827 59:487
60:387 61:1142 62:1008 63:1909 64:3876 65:2337
66:4321 67:1809 68:1079 69:2906 70:697 71:343
72:1895 73:1 74:2328 75:285 76:336 77:851
78:694 79:451 80:1080 81:820 82:507 83:464
84:646 85:1032 86:555 87:762 88:339 89:1555
90:174 91:3652 92:510 93:1040 94:1232 95:785
96:459 97:253 98:817 99:35 101:49 106:1
107:4 108:80 109:927 110:518 111:680 112:324
113:385 114:508 115:669 116:934 117:678 118:767
119:1130 120:287 121:710 122:1611 123:1057 124:1286
125:1249 128:265 129:174 130:172 131:561 132:109
133:20 134:216 135:49 136:212 137:142 138:300
139:105 140:486 141:173 142:378 143:390 144:483
145:52 146:442 147:202 148:639 149:271 150:166
151:187 152:298 153:180 154:3 155:390 156:187
157:349 158:131 159:381 160:317 161:211 162:277
163:166 164:493 165:349 166:503 167:414 168:722
169:154 170:784 171:74 172:2 173:1260 174:531
175:351 177:70 178:784 180:799 181:4 182:407
183:197 184:237 185:1 186:1117 187:905 188:925
189:1038 190:4807 192:5768 193:4796 194:3479 195:2942
196:1204 197:15 198:3594 199:3879 200:5570 201:1485
202:8366 203:8452 204:4129 205:2321 206:2647 207:3023
208:3914 209:3504 210:2720 211:1366 212:1970 213:1707
214:758 215:66 216:4849 217:1630 218:557 219:373
220:1194 221:480 222:318 223:104

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 09 Apr, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 352501
Prefixes after maximum aggregation: 160116
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 174726
Total ASes present in the Internet Routing Table: 37229
Prefixes per ASN: 9.47
Origin-only ASes present in the Internet Routing Table: 31242
Origin ASes announcing only one prefix: 15033
Transit ASes present in the Internet Routing Table: 5011
Transit-only ASes present in the Internet Routing Table: 131
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 554
Unregistered ASNs in the Routing Table: 244
Number of 32-bit ASNs allocated by the RIRs: 1270
Number of 32-bit ASNs visible in the Routing Table: 976
Prefixes from 32-bit ASNs in the Routing Table: 2181
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2404831680
Equivalent to 143 /8s, 86 /16s and 209 /24s
Percentage of available address space announced: 64.9
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 90.3
Total number of prefixes smaller than registry allocations: 145944

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 87803
Total APNIC prefixes after maximum aggregation: 29890
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 84782
Unique aggregates announced from the APNIC address blocks: 36887
APNIC Region origin ASes present in the Internet Routing Table: 4397
APNIC Prefixes per ASN: 19.28
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 698
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 47
Number of APNIC addresses announced to Internet: 605565472
Equivalent to 36 /8s, 24 /16s and 50 /24s
Percentage of available APNIC address space announced: 76.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 138983
Total ARIN prefixes after maximum aggregation: 70940
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 111475
Unique aggregates announced from the ARIN address blocks: 45128
ARIN Region origin ASes present in the Internet Routing Table: 14304
ARIN Prefixes per ASN: 7.79
ARIN Region origin ASes announcing only one prefix: 5465
ARIN Region transit ASes present in the Internet Routing Table: 1487
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 11
Number of ARIN addresses announced to Internet: 797692928
Equivalent to 47 /8s, 139 /16s and 212 /24s
Percentage of available ARIN address space announced: 63.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 83363
Total RIPE prefixes after maximum aggregation: 47605
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 76622
Unique aggregates announced from the RIPE address blocks: 50561
RIPE Region origin ASes present in the Internet Routing Table: 15488
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 7790
RIPE Region transit ASes present in the Internet Routing Table: 2419
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 721
Number of RIPE addresses announced to Internet: 464002432
Equivalent to 27 /8s, 168 /16s and 29 /24s
Percentage of available RIPE address space announced: 74.7

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32267
Total LACNIC prefixes after maximum aggregation: 7402
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 31330
Unique aggregates announced from the LACNIC address blocks: 16335
LACNIC Region origin ASes present in the Internet Routing Table: 1434
LACNIC Prefixes per ASN: 21.85
LACNIC Region origin ASes announcing only one prefix: 430
LACNIC Region transit ASes present in the Internet Routing Table: 259
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 192
Number of LACNIC addresses announced to Internet: 81775488
Equivalent to 4 /8s, 223 /16s and 203 /24s
Percentage of available LACNIC address space announced: 54.2

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7630
Total AfriNIC prefixes after maximum aggregation: 1820
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6000
Unique aggregates announced from the AfriNIC address blocks: 1858
AfriNIC Region origin ASes present in the Internet Routing Table: 442
AfriNIC Prefixes per ASN: 13.57
AfriNIC Region origin ASes announcing only one prefix: 130
AfriNIC Region transit ASes present in the Internet Routing Table: 99
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 22693120
Equivalent to 1 /8s, 90 /16s and 69 /24s
Percentage of available AfriNIC address space announced: 33.8

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2440 9515 909 Korea Telecom (KIX)
7545 1547 301 83 TPG Internet Pty Ltd
17974 1458 480 33 PT TELEKOMUNIKASI INDONESIA
4755 1443 634 167 TATA Communications formerly
24560 1137 322 203 Bharti Airtel Ltd., Telemedia
4808 1063 2140 293 CNCGROUP IP network: China169
9583 1055 77 494 Sify Limited
9829 1003 867 56 BSNL National Internet Backbo
17488 942 162 98 Hathway IP Over Cable Interne
18101 935 116 139 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3666 3822 255 bellsouth.net, inc.
4323 2541 1090 396 Time Warner Telecom
1785 1791 681 131 PaeTec Communications, Inc.
18566 1642 335 197 Covad Communications
6478 1607 305 36 AT&T Worldnet Services
20115 1536 1551 641 Charter Communications
19262 1494 4949 297 Verizon Global Networks
7018 1354 6801 880 AT&T WorldNet Services
22773 1294 2865 84 Cox Communications, Inc.
2386 1281 538 924 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 515 1780 319 UPC Distribution Services
34984 495 97 188 BILISIM TELEKOM
29049 463 34 34 AzerSat LLC.
3292 455 2013 392 TDC Tele Danmark
8866 446 134 26 Bulgarian Telecommunication C
20940 441 127 338 Akamai Technologies European
3320 419 7607 365 Deutsche Telekom AG
8551 403 353 46 Bezeq International
12479 403 577 6 Uni2 Autonomous System
702 394 1800 307 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1417 263 156 TVCABLE BOGOTA
28573 1271 972 86 NET Servicos de Comunicao S.A
8151 1241 2679 367 UniNet S.A. de C.V.
6503 1112 354 72 AVANTEL, S.A.
7303 900 464 136 Telecom Argentina Stet-France
14420 645 52 89 CORPORACION NACIONAL DE TELEC
22047 567 310 15 VTR PUNTO NET S.A.
3816 514 225 98 Empresa Nacional de Telecomun
11172 487 99 81 Servicios Alestra S.A de C.V
27947 481 53 54 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 839 445 11 TEDATA
24863 771 147 37 LINKdotNET AS number
15475 420 90 8 Nile Online
36992 295 287 12 Etisalat MISR
3741 266 985 227 The Internet Solution
24835 232 78 10 RAYA Telecom - Egypt
6713 231 215 12 Itissalat Al-MAGHRIB
33776 210 13 5 Starcomms Nigeria Limited
29571 191 17 11 Ci Telecom Autonomous system
16637 148 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3666 3822 255 bellsouth.net, inc.
4323 2541 1090 396 Time Warner Telecom
4766 2440 9515 909 Korea Telecom (KIX)
23456 2181 634 1179 32-bit ASN transition
1785 1791 681 131 PaeTec Communications, Inc.
18566 1642 335 197 Covad Communications
6478 1607 305 36 AT&T Worldnet Services
7545 1547 301 83 TPG Internet Pty Ltd
20115 1536 1551 641 Charter Communications
19262 1494 4949 297 Verizon Global Networks

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2541 2145 Time Warner Telecom
1785 1791 1660 PaeTec Communications, Inc.
6478 1607 1571 AT&T Worldnet Services
4766 2440 1531 Korea Telecom (KIX)
7545 1547 1464 TPG Internet Pty Ltd
18566 1642 1445 Covad Communications
17974 1458 1425 PT TELEKOMUNIKASI INDONESIA
4755 1443 1276 TATA Communications formerly
10620 1417 1261 TVCABLE BOGOTA
11492 1267 1252 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
1.3.0.0/16 38639 NTT Communications Corporatio
2.56.0.0/16 44559 E-Rent LLC
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
31.3.80.0/21 23456 32-bit ASN transition
31.3.96.0/21 35470 XL Network

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:26 /11:74 /12:219
/13:448 /14:770 /15:1373 /16:11583 /17:5730 /18:9448
/19:19121 /20:25018 /21:25421 /22:33575 /23:32209 /24:184373
/25:1096 /26:1257 /27:683 /28:30 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2263 3666 bellsouth.net, inc.
18566 1620 1642 Covad Communications
6478 1561 1607 AT&T Worldnet Services
4323 1362 2541 Time Warner Telecom
10620 1307 1417 TVCABLE BOGOTA
11492 1216 1267 Cable One
23456 1127 2181 32-bit ASN transition
7011 1061 1161 Citizens Utilities
1785 1057 1791 PaeTec Communications, Inc.
6503 897 1112 AVANTEL, S.A.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:296 2:55 4:14 5:1 8:350 12:2004
13:1 14:434 15:15 16:3 17:8 20:9
23:5 24:1601 27:702 31:213 32:60 33:3
34:2 37:1 38:752 39:1 40:101 41:2371
42:1 44:3 46:793 47:4 49:171 50:219
52:13 55:4 56:2 57:27 58:845 59:489
60:387 61:1164 62:1002 63:1921 64:3893 65:2336
66:4312 67:1805 68:1080 69:2934 70:702 71:343
72:1900 73:1 74:2327 75:284 76:336 77:852
78:688 79:458 80:1087 81:822 82:508 83:458
84:648 85:1041 86:556 87:761 88:340 89:1584
90:178 91:3678 92:497 93:1046 94:1258 95:776
96:448 97:252 98:821 99:35 101:61 106:2
107:4 108:78 109:936 110:531 111:679 112:324
113:385 114:511 115:700 116:932 117:674 118:774
119:1137 120:289 121:712 122:1621 123:1055 124:1282
125:1258 128:265 129:167 130:172 131:565 132:100
133:20 134:216 135:49 136:212 137:142 138:301
139:104 140:486 141:173 142:377 143:388 144:480
145:53 146:441 147:202 148:629 149:273 150:169
151:187 152:300 153:180 154:3 155:392 156:189
157:325 158:132 159:381 160:317 161:242 162:277
163:164 164:489 165:350 166:510 167:418 168:723
169:154 170:774 171:74 172:1 173:1257 174:535
175:349 177:77 178:834 180:806 181:7 182:416
183:200 184:240 185:1 186:1124 187:914 188:933
189:1041 190:4810 192:5776 193:4808 194:3471 195:2948
196:1206 197:17 198:3577 199:3906 200:5546 201:1474
202:8377 203:8466 204:4128 205:2323 206:2648 207:2999
208:3920 209:3505 210:2722 211:1365 212:1978 213:1717
214:732 215:66 216:4867 217:1640 218:556 219:386
220:1193 221:480 222:312 223:117

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 16 Apr, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 354448
Prefixes after maximum aggregation: 160446
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 175187
Total ASes present in the Internet Routing Table: 37330
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 31290
Origin ASes announcing only one prefix: 15055
Transit ASes present in the Internet Routing Table: 5039
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 598
Unregistered ASNs in the Routing Table: 263
Number of 32-bit ASNs allocated by the RIRs: 1295
Number of 32-bit ASNs visible in the Routing Table: 1001
Prefixes from 32-bit ASNs in the Routing Table: 2210
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 154
Number of addresses announced to Internet: 2411560512
Equivalent to 143 /8s, 189 /16s and 126 /24s
Percentage of available address space announced: 65.1
Percentage of allocated address space announced: 65.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 90.5
Total number of prefixes smaller than registry allocations: 147006

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 88171
Total APNIC prefixes after maximum aggregation: 29869
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 85167
Unique aggregates announced from the APNIC address blocks: 37065
APNIC Region origin ASes present in the Internet Routing Table: 4407
APNIC Prefixes per ASN: 19.33
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 699
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 48
Number of APNIC addresses announced to Internet: 609096480
Equivalent to 36 /8s, 78 /16s and 19 /24s
Percentage of available APNIC address space announced: 77.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 139725
Total ARIN prefixes after maximum aggregation: 71044
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 112194
Unique aggregates announced from the ARIN address blocks: 45081
ARIN Region origin ASes present in the Internet Routing Table: 14325
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5472
ARIN Region transit ASes present in the Internet Routing Table: 1489
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 11
Number of ARIN addresses announced to Internet: 797865344
Equivalent to 47 /8s, 142 /16s and 117 /24s
Percentage of available ARIN address space announced: 63.4

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 83950
Total RIPE prefixes after maximum aggregation: 47756
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 77071
Unique aggregates announced from the RIPE address blocks: 50757
RIPE Region origin ASes present in the Internet Routing Table: 15521
RIPE Prefixes per ASN: 4.97
RIPE Region origin ASes announcing only one prefix: 7794
RIPE Region transit ASes present in the Internet Routing Table: 2431
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 744
Number of RIPE addresses announced to Internet: 466827392
Equivalent to 27 /8s, 211 /16s and 56 /24s
Percentage of available RIPE address space announced: 75.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32396
Total LACNIC prefixes after maximum aggregation: 7436
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 31349
Unique aggregates announced from the LACNIC address blocks: 16421
LACNIC Region origin ASes present in the Internet Routing Table: 1439
LACNIC Prefixes per ASN: 21.79
LACNIC Region origin ASes announcing only one prefix: 429
LACNIC Region transit ASes present in the Internet Routing Table: 261
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 193
Number of LACNIC addresses announced to Internet: 81899648
Equivalent to 4 /8s, 225 /16s and 176 /24s
Percentage of available LACNIC address space announced: 54.2

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7714
Total AfriNIC prefixes after maximum aggregation: 1829
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 6082
Unique aggregates announced from the AfriNIC address blocks: 1881
AfriNIC Region origin ASes present in the Internet Routing Table: 448
AfriNIC Prefixes per ASN: 13.58
AfriNIC Region origin ASes announcing only one prefix: 133
AfriNIC Region transit ASes present in the Internet Routing Table: 99
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 22753536
Equivalent to 1 /8s, 91 /16s and 49 /24s
Percentage of available AfriNIC address space announced: 33.9

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2433 9484 902 Korea Telecom (KIX)
17974 1813 515 29 PT TELEKOMUNIKASI INDONESIA
7545 1543 300 80 TPG Internet Pty Ltd
4755 1445 638 166 TATA Communications formerly
24560 1137 322 203 Bharti Airtel Ltd., Telemedia
4808 1064 2140 293 CNCGROUP IP network: China169
9583 1055 77 496 Sify Limited
9829 1008 870 50 BSNL National Internet Backbo
17488 942 162 98 Hathway IP Over Cable Interne
18101 934 116 139 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3662 3822 255 bellsouth.net, inc.
4323 2661 1090 396 Time Warner Telecom
1785 1788 681 128 PaeTec Communications, Inc.
18566 1759 349 229 Covad Communications
6478 1623 307 37 AT&T Worldnet Services
20115 1535 1552 639 Charter Communications
19262 1495 4949 298 Verizon Global Networks
7018 1350 6801 878 AT&T WorldNet Services
22773 1298 2865 84 Cox Communications, Inc.
2386 1269 536 912 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 518 1780 320 UPC Distribution Services
34984 505 98 183 BILISIM TELEKOM
29049 467 33 34 AzerSat LLC.
3292 454 1997 391 TDC Tele Danmark
8866 446 134 26 Bulgarian Telecommunication C
20940 436 126 335 Akamai Technologies European
3320 418 7607 364 Deutsche Telekom AG
12479 406 577 6 Uni2 Autonomous System
8551 403 353 46 Bezeq International
8402 401 320 11 Corbina telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1426 265 157 TVCABLE BOGOTA
28573 1274 972 86 NET Servicos de Comunicao S.A
8151 1252 2686 374 UniNet S.A. de C.V.
7303 924 465 147 Telecom Argentina Stet-France
6503 901 354 72 AVANTEL, S.A.
14420 663 53 91 CORPORACION NACIONAL DE TELEC
22047 568 310 15 VTR PUNTO NET S.A.
3816 516 225 98 Empresa Nacional de Telecomun
11172 487 99 81 Servicios Alestra S.A de C.V
27947 480 53 53 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 840 445 11 TEDATA
24863 778 147 39 LINKdotNET AS number
15475 422 90 8 Nile Online
36992 295 287 12 Etisalat MISR
3741 266 985 227 The Internet Solution
6713 235 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 222 78 10 RAYA Telecom - Egypt
29571 161 17 11 Ci Telecom Autonomous system
16637 148 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3662 3822 255 bellsouth.net, inc.
4323 2661 1090 396 Time Warner Telecom
4766 2433 9484 902 Korea Telecom (KIX)
23456 2210 644 1206 32-bit ASN transition
17974 1813 515 29 PT TELEKOMUNIKASI INDONESIA
1785 1788 681 128 PaeTec Communications, Inc.
18566 1759 349 229 Covad Communications
6478 1623 307 37 AT&T Worldnet Services
7545 1543 300 80 TPG Internet Pty Ltd
20115 1535 1552 639 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2661 2265 Time Warner Telecom
17974 1813 1784 PT TELEKOMUNIKASI INDONESIA
1785 1788 1660 PaeTec Communications, Inc.
6478 1623 1586 AT&T Worldnet Services
4766 2433 1531 Korea Telecom (KIX)
18566 1759 1530 Covad Communications
7545 1543 1463 TPG Internet Pty Ltd
4755 1445 1279 TATA Communications formerly
10620 1426 1269 TVCABLE BOGOTA
11492 1262 1247 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
45083 UNALLOCATED 1.45.0.0/16 4808 CNCGROUP IP network:
45083 UNALLOCATED 1.45.92.0/22 4808 CNCGROUP IP network:
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
31.7.168.0/21 48057 Company for interactive techn
31.10.32.0/20 42004 Unlimited Group
31.10.56.0/21 23456 32-bit ASN transition
31.134.48.0/20 48559 Infomex Sp. z o.o.

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:19 /9:12 /10:26 /11:76 /12:219
/13:452 /14:774 /15:1376 /16:11604 /17:5737 /18:9469
/19:19145 /20:25180 /21:25557 /22:33681 /23:32570 /24:185400
/25:1120 /26:1274 /27:701 /28:40 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2259 3662 bellsouth.net, inc.
18566 1727 1759 Covad Communications
6478 1577 1623 AT&T Worldnet Services
4323 1356 2661 Time Warner Telecom
10620 1316 1426 TVCABLE BOGOTA
11492 1211 1262 Cable One
23456 1143 2210 32-bit ASN transition
7011 1062 1161 Citizens Utilities
1785 1058 1788 PaeTec Communications, Inc.
22773 842 1298 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:256 2:62 4:14 5:1 8:347 12:2000
13:1 14:436 15:15 16:3 17:8 20:9
23:5 24:1604 27:721 31:220 32:60 33:3
34:2 37:1 38:764 40:101 41:2402 42:1
44:3 46:851 47:4 49:173 50:358 52:13
55:7 56:2 57:27 58:844 59:478 60:387
61:1238 62:1008 63:1920 64:3916 65:2325 66:4350
67:1814 68:1082 69:2956 70:700 71:345 72:1906
73:1 74:2337 75:299 76:337 77:840 78:688
79:460 80:1088 81:828 82:505 83:455 84:646
85:1067 86:564 87:761 88:339 89:1584 90:181
91:3711 92:513 93:1053 94:1257 95:792 96:453
97:250 98:821 99:35 101:62 103:1 106:1
107:4 108:80 109:954 110:543 111:694 112:325
113:389 114:524 115:681 116:940 117:675 118:805
119:1137 120:290 121:675 122:1631 123:1062 124:1247
125:1266 128:265 129:164 130:172 131:562 132:113
133:20 134:217 135:49 136:213 137:142 138:301
139:103 140:487 141:174 142:398 143:394 144:484
145:53 146:440 147:204 148:597 149:243 150:171
151:187 152:307 153:180 154:3 155:394 156:190
157:354 158:132 159:382 160:315 161:245 162:277
163:164 164:488 165:350 166:514 167:419 168:725
169:154 170:780 171:75 172:1 173:1492 174:530
175:356 177:71 178:852 180:815 181:7 182:419
183:196 184:243 185:1 186:1139 187:807 188:988
189:1001 190:4841 192:5784 193:4816 194:3468 195:2966
196:1208 197:16 198:3568 199:3919 200:5531 201:1500
202:8347 203:8452 204:4140 205:2323 206:2730 207:3027
208:3951 209:3501 210:2728 211:1361 212:1977 213:1719
214:732 215:67 216:4863 217:1659 218:556 219:385
220:1195 221:479 222:341 223:137

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 23 Apr, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 355581
Prefixes after maximum aggregation: 160822
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 175365
Total ASes present in the Internet Routing Table: 37371
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 31313
Origin ASes announcing only one prefix: 15071
Transit ASes present in the Internet Routing Table: 5046
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 564
Unregistered ASNs in the Routing Table: 275
Number of 32-bit ASNs allocated by the RIRs: 1309
Number of 32-bit ASNs visible in the Routing Table: 1012
Prefixes from 32-bit ASNs in the Routing Table: 2274
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 161
Number of addresses announced to Internet: 2418199616
Equivalent to 144 /8s, 34 /16s and 204 /24s
Percentage of available address space announced: 65.2
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 90.5
Total number of prefixes smaller than registry allocations: 147668

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 88888
Total APNIC prefixes after maximum aggregation: 29965
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 85376
Unique aggregates announced from the APNIC address blocks: 36841
APNIC Region origin ASes present in the Internet Routing Table: 4419
APNIC Prefixes per ASN: 19.32
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 700
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 22
Number of APNIC region 32-bit ASNs visible in the Routing Table: 48
Number of APNIC addresses announced to Internet: 610706464
Equivalent to 36 /8s, 102 /16s and 164 /24s
Percentage of available APNIC address space announced: 77.4

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140032
Total ARIN prefixes after maximum aggregation: 71172
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 112430
Unique aggregates announced from the ARIN address blocks: 45157
ARIN Region origin ASes present in the Internet Routing Table: 14334
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5473
ARIN Region transit ASes present in the Internet Routing Table: 1492
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 11
Number of ARIN addresses announced to Internet: 798645760
Equivalent to 47 /8s, 154 /16s and 94 /24s
Percentage of available ARIN address space announced: 63.5

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 84022
Total RIPE prefixes after maximum aggregation: 47852
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 77130
Unique aggregates announced from the RIPE address blocks: 51011
RIPE Region origin ASes present in the Internet Routing Table: 15538
RIPE Prefixes per ASN: 4.96
RIPE Region origin ASes announcing only one prefix: 7807
RIPE Region transit ASes present in the Internet Routing Table: 2435
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 749
Number of RIPE addresses announced to Internet: 466814464
Equivalent to 27 /8s, 211 /16s and 6 /24s
Percentage of available RIPE address space announced: 75.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32482
Total LACNIC prefixes after maximum aggregation: 7448
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 31486
Unique aggregates announced from the LACNIC address blocks: 16475
LACNIC Region origin ASes present in the Internet Routing Table: 1439
LACNIC Prefixes per ASN: 21.88
LACNIC Region origin ASes announcing only one prefix: 432
LACNIC Region transit ASes present in the Internet Routing Table: 261
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 199
Number of LACNIC addresses announced to Internet: 82681984
Equivalent to 4 /8s, 237 /16s and 160 /24s
Percentage of available LACNIC address space announced: 54.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7658
Total AfriNIC prefixes after maximum aggregation: 1822
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 6067
Unique aggregates announced from the AfriNIC address blocks: 1881
AfriNIC Region origin ASes present in the Internet Routing Table: 441
AfriNIC Prefixes per ASN: 13.76
AfriNIC Region origin ASes announcing only one prefix: 133
AfriNIC Region transit ASes present in the Internet Routing Table: 95
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23300352
Equivalent to 1 /8s, 99 /16s and 137 /24s
Percentage of available AfriNIC address space announced: 34.7

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2430 9482 904 Korea Telecom (KIX)
17974 1798 515 29 PT TELEKOMUNIKASI INDONESIA
7545 1549 300 81 TPG Internet Pty Ltd
4755 1454 634 167 TATA Communications formerly
7552 1195 1064 7 Vietel Corporation
24560 1140 323 204 Bharti Airtel Ltd., Telemedia
9583 1054 77 495 Sify Limited
4808 1030 2097 293 CNCGROUP IP network: China169
9829 1008 870 50 BSNL National Internet Backbo
17488 942 164 98 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3652 3822 255 bellsouth.net, inc.
4323 2649 1090 398 Time Warner Telecom
1785 1789 681 128 PaeTec Communications, Inc.
18566 1760 349 229 Covad Communications
6478 1636 309 43 AT&T Worldnet Services
20115 1535 1552 638 Charter Communications
19262 1495 4949 298 Verizon Global Networks
7018 1357 6801 886 AT&T WorldNet Services
22773 1299 2865 84 Cox Communications, Inc.
2386 1270 536 912 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 519 1780 321 UPC Distribution Services
34984 508 106 182 BILISIM TELEKOM
3292 455 1997 391 TDC Tele Danmark
29049 450 33 48 AzerSat LLC.
8866 446 134 26 Bulgarian Telecommunication C
20940 439 129 335 Akamai Technologies European
3320 423 7609 368 Deutsche Telekom AG
12479 409 577 6 Uni2 Autonomous System
8551 405 354 47 Bezeq International
702 396 1802 309 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1437 268 160 TVCABLE BOGOTA
28573 1281 988 87 NET Servicos de Comunicao S.A
8151 1248 2688 369 UniNet S.A. de C.V.
7303 927 467 149 Telecom Argentina Stet-France
6503 907 354 72 AVANTEL, S.A.
14420 663 53 91 CORPORACION NACIONAL DE TELEC
22047 565 310 15 VTR PUNTO NET S.A.
3816 516 225 98 Empresa Nacional de Telecomun
11172 488 99 82 Servicios Alestra S.A de C.V
27947 483 53 53 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 836 445 11 TEDATA
24863 778 147 39 LINKdotNET AS number
15475 422 90 8 Nile Online
36992 297 415 13 Etisalat MISR
3741 267 985 227 The Internet Solution
6713 238 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 209 78 10 RAYA Telecom - Egypt
29571 161 17 11 Ci Telecom Autonomous system
16637 148 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3652 3822 255 bellsouth.net, inc.
4323 2649 1090 398 Time Warner Telecom
4766 2430 9482 904 Korea Telecom (KIX)
23456 2274 652 1233 32-bit ASN transition
17974 1798 515 29 PT TELEKOMUNIKASI INDONESIA
1785 1789 681 128 PaeTec Communications, Inc.
18566 1760 349 229 Covad Communications
6478 1636 309 43 AT&T Worldnet Services
7545 1549 300 81 TPG Internet Pty Ltd
20115 1535 1552 638 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2649 2251 Time Warner Telecom
17974 1798 1769 PT TELEKOMUNIKASI INDONESIA
1785 1789 1661 PaeTec Communications, Inc.
6478 1636 1593 AT&T Worldnet Services
18566 1760 1531 Covad Communications
4766 2430 1526 Korea Telecom (KIX)
7545 1549 1468 TPG Internet Pty Ltd
4755 1454 1287 TATA Communications formerly
10620 1437 1277 TVCABLE BOGOTA
11492 1254 1239 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
31.192.112.0/20 30361 Swiftwill Solutions
31.192.128.0/19 31214 TIS-DIALOG Autonomous system
31.192.232.0/23 47271 CJSC "Uralunicom"
31.192.232.0/22 47271 CJSC "Uralunicom"

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:77 /12:221
/13:458 /14:786 /15:1379 /16:11668 /17:5741 /18:9624
/19:19173 /20:25618 /21:25611 /22:33775 /23:32642 /24:185589
/25:1120 /26:1285 /27:700 /28:38 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2253 3652 bellsouth.net, inc.
18566 1728 1760 Covad Communications
6478 1590 1636 AT&T Worldnet Services
4323 1346 2649 Time Warner Telecom
10620 1327 1437 TVCABLE BOGOTA
11492 1203 1254 Cable One
23456 1146 2274 32-bit ASN transition
7011 1062 1161 Citizens Utilities
1785 1059 1789 PaeTec Communications, Inc.
22773 843 1299 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:262 2:43 4:14 5:1 6:1 8:347
12:2010 13:1 14:441 15:15 16:3 17:8
20:9 23:5 24:1605 27:722 31:209 32:60
33:3 34:2 37:1 38:764 40:101 41:2400
42:3 44:3 46:866 47:4 49:177 50:365
52:13 55:3 56:2 57:31 58:846 59:478
60:387 61:1268 62:984 63:1919 64:3934 65:2326
66:4353 67:1856 68:1081 69:2977 70:700 71:345
72:1904 73:1 74:2349 75:297 76:335 77:844
78:676 79:452 80:1098 81:829 82:500 83:461
84:647 85:1082 86:559 87:760 88:332 89:1581
90:183 91:3709 92:514 93:1058 94:1260 95:787
96:466 97:251 98:823 99:35 101:63 103:5
106:1 107:5 108:84 109:932 110:550 111:695
112:325 113:361 114:523 115:683 116:949 117:674
118:800 119:1147 120:301 121:672 122:1626 123:1071
124:1250 125:1268 128:265 129:164 130:172 131:566
132:113 133:19 134:217 135:49 136:214 137:142
138:301 139:104 140:486 141:174 142:398 143:397
144:485 145:52 146:441 147:207 148:578 149:233
150:170 151:187 152:307 153:179 154:3 155:395
156:191 157:353 158:132 159:382 160:316 161:243
162:277 163:165 164:487 165:350 166:511 167:426
168:719 169:153 170:784 171:77 172:1 173:1502
174:531 175:359 177:79 178:853 180:821 181:9
182:428 183:201 184:252 185:1 186:1140 187:802
188:985 189:1004 190:4846 192:5792 193:4829 194:3457
195:2964 196:1166 197:16 198:3564 199:3920 200:5522
201:1493 202:8351 203:8446 204:4136 205:2329 206:2745
207:3029 208:3964 209:3505 210:2726 211:1382 212:1973
213:1712 214:744 215:67 216:4879 217:1657 218:561
219:374 220:1195 221:483 222:341 223:143

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 30 Apr, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 356141
Prefixes after maximum aggregation: 161025
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 175803
Total ASes present in the Internet Routing Table: 37438
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 31355
Origin ASes announcing only one prefix: 15082
Transit ASes present in the Internet Routing Table: 5058
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 36
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 584
Unregistered ASNs in the Routing Table: 291
Number of 32-bit ASNs allocated by the RIRs: 1317
Number of 32-bit ASNs visible in the Routing Table: 1025
Prefixes from 32-bit ASNs in the Routing Table: 2298
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 148
Number of addresses announced to Internet: 2420666304
Equivalent to 144 /8s, 72 /16s and 111 /24s
Percentage of available address space announced: 65.3
Percentage of allocated address space announced: 65.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 90.6
Total number of prefixes smaller than registry allocations: 147936

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 89082
Total APNIC prefixes after maximum aggregation: 29925
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 85522
Unique aggregates announced from the APNIC address blocks: 36919
APNIC Region origin ASes present in the Internet Routing Table: 4425
APNIC Prefixes per ASN: 19.33
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 703
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 48
Number of APNIC addresses announced to Internet: 611294496
Equivalent to 36 /8s, 111 /16s and 157 /24s
Percentage of available APNIC address space announced: 77.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140235
Total ARIN prefixes after maximum aggregation: 71231
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 112584
Unique aggregates announced from the ARIN address blocks: 45236
ARIN Region origin ASes present in the Internet Routing Table: 14345
ARIN Prefixes per ASN: 7.85
ARIN Region origin ASes announcing only one prefix: 5478
ARIN Region transit ASes present in the Internet Routing Table: 1492
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 11
Number of ARIN addresses announced to Internet: 799837952
Equivalent to 47 /8s, 172 /16s and 143 /24s
Percentage of available ARIN address space announced: 63.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 84054
Total RIPE prefixes after maximum aggregation: 47941
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 77228
Unique aggregates announced from the RIPE address blocks: 51126
RIPE Region origin ASes present in the Internet Routing Table: 15564
RIPE Prefixes per ASN: 4.96
RIPE Region origin ASes announcing only one prefix: 7810
RIPE Region transit ASes present in the Internet Routing Table: 2440
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 760
Number of RIPE addresses announced to Internet: 467574528
Equivalent to 27 /8s, 222 /16s and 159 /24s
Percentage of available RIPE address space announced: 75.3

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32502
Total LACNIC prefixes after maximum aggregation: 7466
LACNIC Deaggregation factor: 4.35
Prefixes being announced from the LACNIC address blocks: 31515
Unique aggregates announced from the LACNIC address blocks: 16536
LACNIC Region origin ASes present in the Internet Routing Table: 1442
LACNIC Prefixes per ASN: 21.86
LACNIC Region origin ASes announcing only one prefix: 427
LACNIC Region transit ASes present in the Internet Routing Table: 261
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 201
Number of LACNIC addresses announced to Internet: 82907136
Equivalent to 4 /8s, 241 /16s and 16 /24s
Percentage of available LACNIC address space announced: 54.9

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7748
Total AfriNIC prefixes after maximum aggregation: 1855
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 6108
Unique aggregates announced from the AfriNIC address blocks: 1916
AfriNIC Region origin ASes present in the Internet Routing Table: 449
AfriNIC Prefixes per ASN: 13.60
AfriNIC Region origin ASes announcing only one prefix: 135
AfriNIC Region transit ASes present in the Internet Routing Table: 97
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23373568
Equivalent to 1 /8s, 100 /16s and 167 /24s
Percentage of available AfriNIC address space announced: 34.8

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2434 9482 904 Korea Telecom (KIX)
17974 1827 515 29 PT TELEKOMUNIKASI INDONESIA
7545 1558 301 84 TPG Internet Pty Ltd
4755 1459 634 167 TATA Communications formerly
7552 1214 1064 7 Vietel Corporation
24560 1158 336 190 Bharti Airtel Ltd., Telemedia
9583 1056 77 492 Sify Limited
4808 1035 2090 294 CNCGROUP IP network: China169
9829 1007 870 50 BSNL National Internet Backbo
17488 944 165 100 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3644 3822 254 bellsouth.net, inc.
4323 2630 1086 397 Time Warner Telecom
1785 1791 681 128 PaeTec Communications, Inc.
18566 1790 349 229 Covad Communications
6478 1658 311 46 AT&T Worldnet Services
20115 1534 1552 641 Charter Communications
19262 1495 4949 298 Verizon Global Networks
7018 1343 6782 886 AT&T WorldNet Services
22773 1300 2865 84 Cox Communications, Inc.
2386 1268 536 911 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 520 1780 322 UPC Distribution Services
34984 509 106 182 BILISIM TELEKOM
3292 457 1997 391 TDC Tele Danmark
29049 450 33 48 AzerSat LLC.
8866 446 134 26 Bulgarian Telecommunication C
20940 442 129 338 Akamai Technologies European
3320 423 7609 368 Deutsche Telekom AG
12479 408 577 6 Uni2 Autonomous System
8551 405 354 47 Bezeq International
702 396 1802 309 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1448 268 160 TVCABLE BOGOTA
28573 1289 988 87 NET Servicos de Comunicao S.A
8151 1251 2690 369 UniNet S.A. de C.V.
7303 926 467 149 Telecom Argentina Stet-France
6503 852 354 73 AVANTEL, S.A.
14420 665 53 91 CORPORACION NACIONAL DE TELEC
22047 564 310 15 VTR PUNTO NET S.A.
3816 517 226 98 Empresa Nacional de Telecomun
11172 489 99 82 Servicios Alestra S.A de C.V
13489 484 221 116 Orbitel S.A. E.S.P.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 881 445 11 TEDATA
24863 779 147 39 LINKdotNET AS number
15475 421 90 8 Nile Online
36992 299 415 13 Etisalat MISR
3741 267 985 227 The Internet Solution
6713 240 215 13 Itissalat Al-MAGHRIB
24835 211 78 10 RAYA Telecom - Egypt
33776 208 12 10 Starcomms Nigeria Limited
29571 161 17 11 Ci Telecom Autonomous system
16637 149 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3644 3822 254 bellsouth.net, inc.
4323 2630 1086 397 Time Warner Telecom
4766 2434 9482 904 Korea Telecom (KIX)
23456 2298 658 1255 32-bit ASN transition
17974 1827 515 29 PT TELEKOMUNIKASI INDONESIA
1785 1791 681 128 PaeTec Communications, Inc.
18566 1790 349 229 Covad Communications
6478 1658 311 46 AT&T Worldnet Services
7545 1558 301 84 TPG Internet Pty Ltd
20115 1534 1552 641 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2630 2233 Time Warner Telecom
17974 1827 1798 PT TELEKOMUNIKASI INDONESIA
1785 1791 1663 PaeTec Communications, Inc.
6478 1658 1612 AT&T Worldnet Services
18566 1790 1561 Covad Communications
4766 2434 1530 Korea Telecom (KIX)
7545 1558 1474 TPG Internet Pty Ltd
4755 1459 1292 TATA Communications formerly
10620 1448 1288 TVCABLE BOGOTA
11492 1261 1246 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
45.127.0.0/16 13767 NetworkTwo Communications Gro
62.61.220.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:77 /12:221
/13:459 /14:790 /15:1386 /16:11667 /17:5753 /18:9651
/19:19182 /20:25623 /21:25636 /22:33862 /23:32708 /24:185857
/25:1132 /26:1317 /27:705 /28:39 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2245 3644 bellsouth.net, inc.
18566 1758 1790 Covad Communications
6478 1612 1658 AT&T Worldnet Services
10620 1338 1448 TVCABLE BOGOTA
4323 1332 2630 Time Warner Telecom
11492 1210 1261 Cable One
23456 1151 2298 32-bit ASN transition
7011 1062 1161 Citizens Utilities
1785 1059 1791 PaeTec Communications, Inc.
22773 844 1300 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:264 2:51 4:14 5:1 6:3 8:351
12:1987 13:1 14:443 15:15 16:3 17:8
20:9 23:5 24:1613 27:720 31:233 32:60
33:3 34:2 37:1 38:765 40:101 41:2441
42:5 44:3 46:885 47:4 49:171 50:375
52:13 55:5 56:2 57:31 58:840 59:481
60:387 61:1266 62:981 63:1932 64:3956 65:2322
66:4374 67:1868 68:1077 69:2971 70:704 71:346
72:1893 73:1 74:2360 75:298 76:334 77:836
78:678 79:454 80:1092 81:814 82:496 83:461
84:650 85:1080 86:566 87:748 88:322 89:1597
90:183 91:3714 92:512 93:1059 94:1263 95:796
96:478 97:253 98:823 99:35 101:68 103:5
106:1 107:6 108:83 109:941 110:561 111:699
112:320 113:397 114:530 115:685 116:952 117:681
118:809 119:1139 120:306 121:671 122:1623 123:1075
124:1255 125:1220 128:264 129:163 130:172 131:568
132:112 133:19 134:217 135:49 136:214 137:141
138:302 139:106 140:479 141:174 142:400 143:403
144:487 145:52 146:441 147:208 148:591 149:243
150:171 151:187 152:309 153:179 154:3 155:396
156:190 157:353 158:133 159:384 160:314 161:247
162:277 163:164 164:494 165:351 166:511 167:426
168:721 169:153 170:788 171:76 172:1 173:1511
174:535 175:361 177:81 178:851 180:817 181:15
182:436 183:204 184:258 185:1 186:1137 187:810
188:988 189:969 190:4836 192:5789 193:4844 194:3470
195:2974 196:1204 197:16 198:3570 199:3910 200:5522
201:1499 202:8374 203:8448 204:4138 205:2325 206:2749
207:3030 208:3952 209:3472 210:2729 211:1386 212:1968
213:1686 214:736 215:67 216:4879 217:1651 218:563
219:374 220:1202 221:484 222:342 223:145

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 07 May, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 356623
Prefixes after maximum aggregation: 161219
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 176188
Total ASes present in the Internet Routing Table: 37501
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 31368
Origin ASes announcing only one prefix: 15102
Transit ASes present in the Internet Routing Table: 5082
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 36
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 592
Unregistered ASNs in the Routing Table: 299
Number of 32-bit ASNs allocated by the RIRs: 1333
Number of 32-bit ASNs visible in the Routing Table: 1051
Prefixes from 32-bit ASNs in the Routing Table: 2383
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 147
Number of addresses announced to Internet: 2423268544
Equivalent to 144 /8s, 112 /16s and 36 /24s
Percentage of available address space announced: 65.4
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 90.7
Total number of prefixes smaller than registry allocations: 148140

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 89329
Total APNIC prefixes after maximum aggregation: 29919
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 85712
Unique aggregates announced from the APNIC address blocks: 36913
APNIC Region origin ASes present in the Internet Routing Table: 4437
APNIC Prefixes per ASN: 19.32
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 707
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 48
Number of APNIC addresses announced to Internet: 612912416
Equivalent to 36 /8s, 136 /16s and 77 /24s
Percentage of available APNIC address space announced: 77.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140234
Total ARIN prefixes after maximum aggregation: 71250
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 112594
Unique aggregates announced from the ARIN address blocks: 45335
ARIN Region origin ASes present in the Internet Routing Table: 14357
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5492
ARIN Region transit ASes present in the Internet Routing Table: 1499
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 800024832
Equivalent to 47 /8s, 175 /16s and 105 /24s
Percentage of available ARIN address space announced: 63.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 83935
Total RIPE prefixes after maximum aggregation: 48029
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 77374
Unique aggregates announced from the RIPE address blocks: 51246
RIPE Region origin ASes present in the Internet Routing Table: 15569
RIPE Prefixes per ASN: 4.97
RIPE Region origin ASes announcing only one prefix: 7811
RIPE Region transit ASes present in the Internet Routing Table: 2452
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 777
Number of RIPE addresses announced to Internet: 468167936
Equivalent to 27 /8s, 231 /16s and 173 /24s
Percentage of available RIPE address space announced: 75.4

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32749
Total LACNIC prefixes after maximum aggregation: 7494
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 31794
Unique aggregates announced from the LACNIC address blocks: 16628
LACNIC Region origin ASes present in the Internet Routing Table: 1450
LACNIC Prefixes per ASN: 21.93
LACNIC Region origin ASes announcing only one prefix: 430
LACNIC Region transit ASes present in the Internet Routing Table: 268
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 209
Number of LACNIC addresses announced to Internet: 83079680
Equivalent to 4 /8s, 243 /16s and 178 /24s
Percentage of available LACNIC address space announced: 55.0

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7778
Total AfriNIC prefixes after maximum aggregation: 1857
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6135
Unique aggregates announced from the AfriNIC address blocks: 1917
AfriNIC Region origin ASes present in the Internet Routing Table: 447
AfriNIC Prefixes per ASN: 13.72
AfriNIC Region origin ASes announcing only one prefix: 134
AfriNIC Region transit ASes present in the Internet Routing Table: 97
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23038208
Equivalent to 1 /8s, 95 /16s and 137 /24s
Percentage of available AfriNIC address space announced: 34.3

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2436 9490 906 Korea Telecom (KIX)
17974 1813 515 29 PT TELEKOMUNIKASI INDONESIA
7545 1565 301 86 TPG Internet Pty Ltd
4755 1461 634 167 TATA Communications formerly
7552 1204 1064 7 Vietel Corporation
24560 1151 336 184 Bharti Airtel Ltd., Telemedia
9583 1057 77 492 Sify Limited
9829 1039 874 51 BSNL National Internet Backbo
4808 1036 2087 294 CNCGROUP IP network: China169
17488 938 164 100 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3644 3822 258 bellsouth.net, inc.
4323 2582 1087 399 Time Warner Telecom
1785 1785 681 127 PaeTec Communications, Inc.
18566 1782 354 219 Covad Communications
6478 1667 313 52 AT&T Worldnet Services
20115 1531 1536 636 Charter Communications
19262 1496 4949 298 Verizon Global Networks
7018 1359 6927 887 AT&T WorldNet Services
22773 1329 2897 87 Cox Communications, Inc.
2386 1265 536 908 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 519 1780 321 UPC Distribution Services
34984 508 106 184 BILISIM TELEKOM
3292 457 1997 391 TDC Tele Danmark
20940 446 131 342 Akamai Technologies European
8866 444 134 26 Bulgarian Telecommunication C
29049 443 33 43 AzerSat LLC.
3320 423 7609 368 Deutsche Telekom AG
12479 419 577 6 Uni2 Autonomous System
8551 406 355 45 Bezeq International
8402 401 320 11 Corbina telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1458 270 155 TVCABLE BOGOTA
8151 1366 2698 364 UniNet S.A. de C.V.
28573 1298 990 89 NET Servicos de Comunicao S.A
7303 926 467 149 Telecom Argentina Stet-France
6503 801 354 73 AVANTEL, S.A.
14420 665 53 91 CORPORACION NACIONAL DE TELEC
22047 557 310 15 VTR PUNTO NET S.A.
3816 518 226 99 Empresa Nacional de Telecomun
11172 495 84 83 Servicios Alestra S.A de C.V
13489 487 233 116 Orbitel S.A. E.S.P.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 881 445 11 TEDATA
24863 782 147 37 LINKdotNET AS number
15475 421 90 8 Nile Online
36992 287 331 17 Etisalat MISR
3741 267 985 227 The Internet Solution
6713 240 215 13 Itissalat Al-MAGHRIB
33776 214 12 11 Starcomms Nigeria Limited
24835 209 78 10 RAYA Telecom - Egypt
29571 161 17 11 Ci Telecom Autonomous system
16637 149 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3644 3822 258 bellsouth.net, inc.
4323 2582 1087 399 Time Warner Telecom
4766 2436 9490 906 Korea Telecom (KIX)
23456 2383 666 1288 32-bit ASN transition
17974 1813 515 29 PT TELEKOMUNIKASI INDONESIA
1785 1785 681 127 PaeTec Communications, Inc.
18566 1782 354 219 Covad Communications
6478 1667 313 52 AT&T Worldnet Services
7545 1565 301 86 TPG Internet Pty Ltd
20115 1531 1536 636 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
4323 2582 2183 Time Warner Telecom
17974 1813 1784 PT TELEKOMUNIKASI INDONESIA
1785 1785 1658 PaeTec Communications, Inc.
6478 1667 1615 AT&T Worldnet Services
18566 1782 1563 Covad Communications
4766 2436 1530 Korea Telecom (KIX)
7545 1565 1479 TPG Internet Pty Ltd
10620 1458 1303 TVCABLE BOGOTA
4755 1461 1294 TATA Communications formerly
11492 1262 1247 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
31.210.248.0/21 35706 Net at Once
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
45.127.0.0/16 13767 NetworkTwo Communications Gro

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:78 /12:223
/13:458 /14:790 /15:1389 /16:11689 /17:5747 /18:9693
/19:19273 /20:25574 /21:25731 /22:33992 /23:32787 /24:185889
/25:1096 /26:1273 /27:707 /28:158 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2245 3644 bellsouth.net, inc.
18566 1744 1782 Covad Communications
6478 1621 1667 AT&T Worldnet Services
10620 1348 1458 TVCABLE BOGOTA
4323 1289 2582 Time Warner Telecom
11492 1211 1262 Cable One
23456 1182 2383 32-bit ASN transition
7011 1062 1162 Citizens Utilities
1785 1054 1785 PaeTec Communications, Inc.
22773 846 1329 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:265 2:61 4:14 5:1 6:3 8:353
12:1992 13:1 14:452 15:15 16:3 17:8
20:10 23:6 24:1627 27:734 31:296 32:63
33:3 34:2 37:1 38:765 40:101 41:2485
42:4 44:3 46:906 47:4 49:172 50:388
52:13 55:4 56:2 57:30 58:843 59:482
60:387 61:1254 62:995 63:1926 64:3927 65:2308
66:4319 67:1873 68:1079 69:2966 70:699 71:346
72:1884 73:1 74:2339 75:299 76:338 77:838
78:688 79:454 80:1079 81:813 82:494 83:446
84:630 85:1076 86:577 87:747 88:323 89:1596
90:192 91:3707 92:511 93:1062 94:1266 95:804
96:482 97:255 98:823 99:35 101:69 103:9
107:6 108:85 109:946 110:583 111:710 112:318
113:399 114:532 115:657 116:949 117:678 118:818
119:1143 120:305 121:672 122:1619 123:1080 124:1254
125:1221 128:259 129:163 130:165 131:564 132:109
133:19 134:217 135:49 136:214 137:143 138:302
139:105 140:480 141:239 142:400 143:398 144:486
145:50 146:436 147:210 148:595 149:243 150:171
151:187 152:310 153:179 154:3 155:396 156:190
157:352 158:130 159:384 160:315 161:205 162:279
163:164 164:498 165:349 166:513 167:426 168:699
169:153 170:784 171:77 172:1 173:1538 174:538
175:373 177:119 178:859 180:818 181:19 182:434
183:208 184:260 185:1 186:1153 187:800 188:847
189:941 190:4853 192:5792 193:4827 194:3466 195:2966
196:1201 197:16 198:3564 199:3921 200:5526 201:1504
202:8357 203:8448 204:4137 205:2327 206:2747 207:3038
208:3960 209:3481 210:2721 211:1372 212:1978 213:1718
214:721 215:64 216:4893 217:1657 218:565 219:371
220:1204 221:484 222:342 223:146

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 14 May, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 356656
Prefixes after maximum aggregation: 161598
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 176105
Total ASes present in the Internet Routing Table: 37552
Prefixes per ASN: 9.50
Origin-only ASes present in the Internet Routing Table: 31389
Origin ASes announcing only one prefix: 15082
Transit ASes present in the Internet Routing Table: 5092
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 36
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 626
Unregistered ASNs in the Routing Table: 320
Number of 32-bit ASNs allocated by the RIRs: 1348
Number of 32-bit ASNs visible in the Routing Table: 1071
Prefixes from 32-bit ASNs in the Routing Table: 2417
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 156
Number of addresses announced to Internet: 2425507776
Equivalent to 144 /8s, 146 /16s and 79 /24s
Percentage of available address space announced: 65.4
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 90.7
Total number of prefixes smaller than registry allocations: 148116

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 89380
Total APNIC prefixes after maximum aggregation: 29933
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 85747
Unique aggregates announced from the APNIC address blocks: 36599
APNIC Region origin ASes present in the Internet Routing Table: 4441
APNIC Prefixes per ASN: 19.31
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 705
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 47
Number of APNIC addresses announced to Internet: 614205216
Equivalent to 36 /8s, 156 /16s and 7 /24s
Percentage of available APNIC address space announced: 77.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140013
Total ARIN prefixes after maximum aggregation: 71448
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 112260
Unique aggregates announced from the ARIN address blocks: 45485
ARIN Region origin ASes present in the Internet Routing Table: 14368
ARIN Prefixes per ASN: 7.81
ARIN Region origin ASes announcing only one prefix: 5485
ARIN Region transit ASes present in the Internet Routing Table: 1497
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 800054528
Equivalent to 47 /8s, 175 /16s and 221 /24s
Percentage of available ARIN address space announced: 63.6

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 84162
Total RIPE prefixes after maximum aggregation: 48126
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 77641
Unique aggregates announced from the RIPE address blocks: 51249
RIPE Region origin ASes present in the Internet Routing Table: 15589
RIPE Prefixes per ASN: 4.98
RIPE Region origin ASes announcing only one prefix: 7801
RIPE Region transit ASes present in the Internet Routing Table: 2460
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 790
Number of RIPE addresses announced to Internet: 468684800
Equivalent to 27 /8s, 239 /16s and 144 /24s
Percentage of available RIPE address space announced: 75.5

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32698
Total LACNIC prefixes after maximum aggregation: 7496
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 31756
Unique aggregates announced from the LACNIC address blocks: 16683
LACNIC Region origin ASes present in the Internet Routing Table: 1449
LACNIC Prefixes per ASN: 21.92
LACNIC Region origin ASes announcing only one prefix: 427
LACNIC Region transit ASes present in the Internet Routing Table: 268
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 217
Number of LACNIC addresses announced to Internet: 83360256
Equivalent to 4 /8s, 247 /16s and 250 /24s
Percentage of available LACNIC address space announced: 55.2

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7770
Total AfriNIC prefixes after maximum aggregation: 1867
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6122
Unique aggregates announced from the AfriNIC address blocks: 1939
AfriNIC Region origin ASes present in the Internet Routing Table: 447
AfriNIC Prefixes per ASN: 13.70
AfriNIC Region origin ASes announcing only one prefix: 137
AfriNIC Region transit ASes present in the Internet Routing Table: 97
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23095040
Equivalent to 1 /8s, 96 /16s and 103 /24s
Percentage of available AfriNIC address space announced: 34.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2452 9493 916 Korea Telecom (KIX)
17974 1834 516 32 PT TELEKOMUNIKASI INDONESIA
7545 1549 301 87 TPG Internet Pty Ltd
4755 1461 634 167 TATA Communications formerly
24560 1151 336 184 Bharti Airtel Ltd., Telemedia
7552 1105 1064 7 Vietel Corporation
9583 1079 80 510 Sify Limited
4808 1063 2130 297 CNCGROUP IP network: China169
9829 1039 874 51 BSNL National Internet Backbo
17488 935 165 103 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3647 3822 255 bellsouth.net, inc.
4323 1979 1081 396 Time Warner Telecom
18566 1822 357 232 Covad Communications
1785 1775 681 124 PaeTec Communications, Inc.
6478 1678 314 50 AT&T Worldnet Services
20115 1535 1539 631 Charter Communications
19262 1499 4949 299 Verizon Global Networks
7018 1357 6911 886 AT&T WorldNet Services
22773 1329 2897 87 Cox Communications, Inc.
11492 1279 240 15 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 519 1780 321 UPC Distribution Services
34984 512 106 182 BILISIM TELEKOM
3292 459 1998 392 TDC Tele Danmark
20940 447 131 342 Akamai Technologies European
8866 442 134 26 Bulgarian Telecommunication C
29049 442 32 44 AzerSat LLC.
12479 430 577 6 Uni2 Autonomous System
3320 420 7608 367 Deutsche Telekom AG
8551 406 355 45 Bezeq International
702 397 1802 310 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1476 272 154 TVCABLE BOGOTA
8151 1370 2702 362 UniNet S.A. de C.V.
28573 1315 990 86 NET Servicos de Comunicao S.A
7303 931 470 152 Telecom Argentina Stet-France
6503 732 354 73 AVANTEL, S.A.
14420 667 54 91 CORPORACION NACIONAL DE TELEC
22047 555 310 15 VTR PUNTO NET S.A.
3816 521 227 100 Empresa Nacional de Telecomun
13489 499 241 121 Orbitel S.A. E.S.P.
11172 493 84 83 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 888 445 11 TEDATA
24863 782 147 37 LINKdotNET AS number
15475 415 90 8 Nile Online
36992 288 331 17 Etisalat MISR
3741 268 985 228 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
24835 206 78 10 RAYA Telecom - Egypt
33776 200 12 11 Starcomms Nigeria Limited
29571 162 17 11 Ci Telecom Autonomous system
16637 150 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3647 3822 255 bellsouth.net, inc.
4766 2452 9493 916 Korea Telecom (KIX)
23456 2417 685 1317 32-bit ASN transition
4323 1979 1081 396 Time Warner Telecom
17974 1834 516 32 PT TELEKOMUNIKASI INDONESIA
18566 1822 357 232 Covad Communications
1785 1775 681 124 PaeTec Communications, Inc.
6478 1678 314 50 AT&T Worldnet Services
7545 1549 301 87 TPG Internet Pty Ltd
20115 1535 1539 631 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
17974 1834 1802 PT TELEKOMUNIKASI INDONESIA
1785 1775 1651 PaeTec Communications, Inc.
6478 1678 1628 AT&T Worldnet Services
18566 1822 1590 Covad Communications
4323 1979 1583 Time Warner Telecom
4766 2452 1536 Korea Telecom (KIX)
7545 1549 1462 TPG Internet Pty Ltd
10620 1476 1322 TVCABLE BOGOTA
4755 1461 1294 TATA Communications formerly
11492 1279 1264 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
31.134.128.0/18 42668 RIPE Network Coordination Cen
31.220.160.0/19 29072 RDTC Autonomous System ISP at
31.222.96.0/22 29119 ServiHosting Autonomous Syste
31.222.100.0/22 29119 ServiHosting Autonomous Syste

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:78 /12:223
/13:459 /14:790 /15:1390 /16:11723 /17:5766 /18:9707
/19:19307 /20:25552 /21:25796 /22:34071 /23:32878 /24:185607
/25:1092 /26:1271 /27:709 /28:161 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2247 3647 bellsouth.net, inc.
18566 1784 1822 Covad Communications
6478 1632 1678 AT&T Worldnet Services
10620 1366 1476 TVCABLE BOGOTA
11492 1225 1279 Cable One
23456 1188 2417 32-bit ASN transition
7011 1062 1162 Citizens Utilities
1785 1050 1775 PaeTec Communications, Inc.
4323 888 1979 Time Warner Telecom
22773 846 1329 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:267 2:44 4:14 5:1 6:3 8:352
12:1985 13:1 14:456 15:15 16:3 17:8
20:10 23:7 24:1639 27:743 31:328 32:60
33:4 34:2 37:1 38:731 40:101 41:2501
42:5 44:3 46:903 47:4 49:177 50:401
52:13 55:6 56:2 57:30 58:848 59:485
60:387 61:1254 62:974 63:1925 64:3928 65:2299
66:4140 67:1866 68:1093 69:2986 70:706 71:350
72:1884 73:1 74:2345 75:306 76:342 77:865
78:689 79:463 80:1096 81:817 82:493 83:449
84:625 85:1071 86:598 87:746 88:325 89:1566
90:202 91:3732 92:512 93:1054 94:1251 95:803
96:483 97:246 98:828 99:35 101:59 103:12
106:1 107:6 108:85 109:944 110:585 111:711
112:319 113:399 114:532 115:666 116:954 117:683
118:818 119:1135 120:309 121:678 122:1621 123:1079
124:1257 125:1223 128:259 129:166 130:165 131:568
132:110 133:19 134:218 135:49 136:214 137:143
138:304 139:106 140:480 141:240 142:401 143:402
144:487 145:53 146:440 147:210 148:591 149:243
150:171 151:187 152:310 153:179 154:3 155:395
156:194 157:352 158:131 159:387 160:315 161:207
162:279 163:163 164:499 165:352 166:514 167:431
168:725 169:153 170:794 171:77 172:1 173:1557
174:543 175:370 177:120 178:908 180:840 181:16
182:439 183:205 184:262 185:1 186:1169 187:749
188:829 189:907 190:4793 192:5783 193:4843 194:3477
195:2973 196:1209 197:17 198:3570 199:3893 200:5535
201:1494 202:8359 203:8467 204:4111 205:2328 206:2725
207:2913 208:3966 209:3423 210:2731 211:1386 212:1973
213:1717 214:730 215:69 216:4818 217:1630 218:565
219:370 220:1203 221:483 222:342 223:145

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 21 May, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 357743
Prefixes after maximum aggregation: 161995
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 176757
Total ASes present in the Internet Routing Table: 37632
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 31443
Origin ASes announcing only one prefix: 15107
Transit ASes present in the Internet Routing Table: 5101
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 647
Unregistered ASNs in the Routing Table: 338
Number of 32-bit ASNs allocated by the RIRs: 1366
Number of 32-bit ASNs visible in the Routing Table: 1088
Prefixes from 32-bit ASNs in the Routing Table: 2459
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2432900032
Equivalent to 145 /8s, 3 /16s and 27 /24s
Percentage of available address space announced: 65.6
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 90.9
Total number of prefixes smaller than registry allocations: 148733

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 89422
Total APNIC prefixes after maximum aggregation: 30028
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 85798
Unique aggregates announced from the APNIC address blocks: 36687
APNIC Region origin ASes present in the Internet Routing Table: 4453
APNIC Prefixes per ASN: 19.27
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 707
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 46
Number of APNIC addresses announced to Internet: 615312672
Equivalent to 36 /8s, 172 /16s and 237 /24s
Percentage of available APNIC address space announced: 78.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140448
Total ARIN prefixes after maximum aggregation: 71554
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 112638
Unique aggregates announced from the ARIN address blocks: 45620
ARIN Region origin ASes present in the Internet Routing Table: 14381
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5494
ARIN Region transit ASes present in the Internet Routing Table: 1498
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 801671424
Equivalent to 47 /8s, 200 /16s and 137 /24s
Percentage of available ARIN address space announced: 63.7

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 84534
Total RIPE prefixes after maximum aggregation: 48247
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 78018
Unique aggregates announced from the RIPE address blocks: 51632
RIPE Region origin ASes present in the Internet Routing Table: 15619
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7813
RIPE Region transit ASes present in the Internet Routing Table: 2464
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 805
Number of RIPE addresses announced to Internet: 472636160
Equivalent to 28 /8s, 43 /16s and 219 /24s
Percentage of available RIPE address space announced: 76.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32829
Total LACNIC prefixes after maximum aggregation: 7512
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 31866
Unique aggregates announced from the LACNIC address blocks: 16758
LACNIC Region origin ASes present in the Internet Routing Table: 1456
LACNIC Prefixes per ASN: 21.89
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 266
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 220
Number of LACNIC addresses announced to Internet: 83532288
Equivalent to 4 /8s, 250 /16s and 154 /24s
Percentage of available LACNIC address space announced: 55.3

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7836
Total AfriNIC prefixes after maximum aggregation: 1877
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 6175
Unique aggregates announced from the AfriNIC address blocks: 1909
AfriNIC Region origin ASes present in the Internet Routing Table: 448
AfriNIC Prefixes per ASN: 13.78
AfriNIC Region origin ASes announcing only one prefix: 133
AfriNIC Region transit ASes present in the Internet Routing Table: 100
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23174656
Equivalent to 1 /8s, 97 /16s and 158 /24s
Percentage of available AfriNIC address space announced: 34.5

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2457 9494 918 Korea Telecom (KIX)
17974 1832 516 32 PT TELEKOMUNIKASI INDONESIA
7545 1556 301 87 TPG Internet Pty Ltd
4755 1472 635 169 TATA Communications formerly
24560 1153 336 184 Bharti Airtel Ltd., Telemedia
7552 1123 1064 7 Vietel Corporation
9583 1082 81 511 Sify Limited
4808 1080 2141 298 CNCGROUP IP network: China169
9829 1039 874 51 BSNL National Internet Backbo
18101 935 116 142 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3645 3822 255 bellsouth.net, inc.
4323 1976 1081 397 Time Warner Telecom
18566 1860 354 267 Covad Communications
1785 1786 681 123 PaeTec Communications, Inc.
6478 1693 315 55 AT&T Worldnet Services
20115 1538 1540 635 Charter Communications
19262 1496 4943 300 Verizon Global Networks
7018 1365 7069 890 AT&T WorldNet Services
22773 1330 2897 88 Cox Communications, Inc.
11492 1279 240 15 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 520 1780 321 UPC Distribution Services
34984 514 106 182 BILISIM TELEKOM
3292 460 2062 395 TDC Tele Danmark
20940 457 134 351 Akamai Technologies European
29049 453 33 44 AzerSat LLC.
8866 444 134 26 Bulgarian Telecommunication C
12479 432 577 6 Uni2 Autonomous System
3320 426 8153 371 Deutsche Telekom AG
8551 406 355 45 Bezeq International
702 395 1802 309 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1481 273 154 TVCABLE BOGOTA
8151 1375 2702 362 UniNet S.A. de C.V.
28573 1314 991 86 NET Servicos de Comunicao S.A
7303 925 470 151 Telecom Argentina Stet-France
6503 731 354 73 AVANTEL, S.A.
14420 670 54 91 CORPORACION NACIONAL DE TELEC
22047 563 310 15 VTR PUNTO NET S.A.
3816 522 227 101 Empresa Nacional de Telecomun
13489 511 254 124 Orbitel S.A. E.S.P.
11172 493 84 83 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 894 445 11 TEDATA
24863 787 147 37 LINKdotNET AS number
15475 415 90 8 Nile Online
36992 287 331 17 Etisalat MISR
3741 268 985 228 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 217 12 11 Starcomms Nigeria Limited
24835 208 78 10 RAYA Telecom - Egypt
29571 163 19 12 Ci Telecom Autonomous system
16637 150 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3645 3822 255 bellsouth.net, inc.
23456 2459 631 1341 32-bit ASN transition
4766 2457 9494 918 Korea Telecom (KIX)
4323 1976 1081 397 Time Warner Telecom
18566 1860 354 267 Covad Communications
17974 1832 516 32 PT TELEKOMUNIKASI INDONESIA
1785 1786 681 123 PaeTec Communications, Inc.
6478 1693 315 55 AT&T Worldnet Services
7545 1556 301 87 TPG Internet Pty Ltd
20115 1538 1540 635 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
17974 1832 1800 PT TELEKOMUNIKASI INDONESIA
1785 1786 1663 PaeTec Communications, Inc.
6478 1693 1638 AT&T Worldnet Services
18566 1860 1593 Covad Communications
4323 1976 1579 Time Warner Telecom
4766 2457 1539 Korea Telecom (KIX)
7545 1556 1469 TPG Internet Pty Ltd
10620 1481 1327 TVCABLE BOGOTA
4755 1472 1303 TATA Communications formerly
11492 1279 1264 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media Exchange, Inc.
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS
41.190.36.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:79 /12:226
/13:461 /14:793 /15:1393 /16:11769 /17:5810 /18:9731
/19:19329 /20:25643 /21:25885 /22:34217 /23:32989 /24:186103
/25:1087 /26:1274 /27:713 /28:165 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2245 3645 bellsouth.net, inc.
18566 1824 1860 Covad Communications
6478 1647 1693 AT&T Worldnet Services
10620 1371 1481 TVCABLE BOGOTA
11492 1225 1279 Cable One
23456 1204 2459 32-bit ASN transition
7011 1060 1159 Citizens Utilities
1785 1051 1786 PaeTec Communications, Inc.
4323 886 1976 Time Warner Telecom
22773 846 1330 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:279 2:39 4:14 5:1 6:3 8:352
12:1985 13:1 14:457 15:15 16:3 17:8
20:10 23:7 24:1633 27:753 31:345 32:60
33:4 34:2 37:1 38:738 40:101 41:2537
42:5 44:3 46:920 47:4 49:194 50:415
52:13 55:3 56:2 57:30 58:844 59:481
60:387 61:1235 62:960 63:1935 64:3941 65:2292
66:4158 67:1846 68:1092 69:2985 70:704 71:352
72:1883 73:1 74:2351 75:303 76:340 77:870
78:709 79:464 80:1094 81:821 82:490 83:447
84:629 85:1069 86:594 87:749 88:328 89:1556
90:204 91:3771 92:516 93:1053 94:1279 95:817
96:504 97:249 98:835 99:35 101:60 103:12
106:1 107:7 108:85 109:950 110:601 111:715
112:302 113:401 114:534 115:667 116:956 117:691
118:821 119:1145 120:308 121:677 122:1627 123:1001
124:1265 125:1228 128:262 129:176 130:164 131:573
132:109 133:19 134:218 135:48 136:215 137:143
138:305 139:112 140:487 141:239 142:402 143:402
144:481 145:54 146:444 147:209 148:589 149:243
150:172 151:186 152:306 153:178 154:3 155:396
156:194 157:352 158:135 159:387 160:317 161:207
162:279 163:163 164:501 165:354 166:516 167:433
168:729 169:152 170:794 171:77 172:1 173:1566
174:551 175:374 177:128 178:918 180:844 181:17
182:446 183:207 184:272 185:1 186:1164 187:735
188:842 189:897 190:4805 192:5790 193:4854 194:3482
195:2982 196:1210 197:19 198:3584 199:3908 200:5540
201:1486 202:8357 203:8427 204:4158 205:2326 206:2730
207:2913 208:3964 209:3462 210:2736 211:1392 212:1972
213:1734 214:735 215:71 216:4899 217:1623 218:563
219:362 220:1200 221:483 222:336 223:148

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfs@cisco.com>.

Routing Table Report 04:00 +10GMT Sat 28 May, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 358362
Prefixes after maximum aggregation: 162138
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 177469
Total ASes present in the Internet Routing Table: 37701
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 31497
Origin ASes announcing only one prefix: 15121
Transit ASes present in the Internet Routing Table: 5100
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 705
Unregistered ASNs in the Routing Table: 376
Number of 32-bit ASNs allocated by the RIRs: 1389
Number of 32-bit ASNs visible in the Routing Table: 1104
Prefixes from 32-bit ASNs in the Routing Table: 2503
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 289
Number of addresses announced to Internet: 2437036992
Equivalent to 145 /8s, 66 /16s and 59 /24s
Percentage of available address space announced: 65.8
Percentage of allocated address space announced: 65.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 149159

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 89221
Total APNIC prefixes after maximum aggregation: 30038
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 85654
Unique aggregates announced from the APNIC address blocks: 36698
APNIC Region origin ASes present in the Internet Routing Table: 4461
APNIC Prefixes per ASN: 19.20
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 703
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 48
Number of APNIC addresses announced to Internet: 616629792
Equivalent to 36 /8s, 193 /16s and 6 /24s
Percentage of available APNIC address space announced: 78.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140454
Total ARIN prefixes after maximum aggregation: 71446
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 112718
Unique aggregates announced from the ARIN address blocks: 45895
ARIN Region origin ASes present in the Internet Routing Table: 14398
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5492
ARIN Region transit ASes present in the Internet Routing Table: 1508
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 801841408
Equivalent to 47 /8s, 203 /16s and 33 /24s
Percentage of available ARIN address space announced: 63.7

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 84958
Total RIPE prefixes after maximum aggregation: 48453
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 78225
Unique aggregates announced from the RIPE address blocks: 51823
RIPE Region origin ASes present in the Internet Routing Table: 15639
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7820
RIPE Region transit ASes present in the Internet Routing Table: 2461
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 815
Number of RIPE addresses announced to Internet: 474301952
Equivalent to 28 /8s, 69 /16s and 70 /24s
Percentage of available RIPE address space announced: 76.4

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32990
Total LACNIC prefixes after maximum aggregation: 7492
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 32033
Unique aggregates announced from the LACNIC address blocks: 16834
LACNIC Region origin ASes present in the Internet Routing Table: 1458
LACNIC Prefixes per ASN: 21.97
LACNIC Region origin ASes announcing only one prefix: 427
LACNIC Region transit ASes present in the Internet Routing Table: 263
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 224
Number of LACNIC addresses announced to Internet: 83999744
Equivalent to 5 /8s, 1 /16s and 188 /24s
Percentage of available LACNIC address space announced: 55.6

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8016
Total AfriNIC prefixes after maximum aggregation: 1888
AfriNIC Deaggregation factor: 4.25
Prefixes being announced from the AfriNIC address blocks: 6339
Unique aggregates announced from the AfriNIC address blocks: 1891
AfriNIC Region origin ASes present in the Internet Routing Table: 452
AfriNIC Prefixes per ASN: 14.02
AfriNIC Region origin ASes announcing only one prefix: 137
AfriNIC Region transit ASes present in the Internet Routing Table: 102
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23157760
Equivalent to 1 /8s, 97 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 34.5

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2461 9500 922 Korea Telecom (KIX)
17974 1852 516 32 PT TELEKOMUNIKASI INDONESIA
7545 1534 301 85 TPG Internet Pty Ltd
4755 1473 635 169 TATA Communications formerly
24560 1155 337 187 Bharti Airtel Ltd., Telemedia
7552 1140 1064 7 Vietel Corporation
4808 1081 2141 302 CNCGROUP IP network: China169
9583 1076 79 507 Sify Limited
9829 1035 873 54 BSNL National Internet Backbo
18101 931 116 141 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3641 3822 254 bellsouth.net, inc.
4323 1972 1081 399 Time Warner Telecom
18566 1875 355 271 Covad Communications
1785 1789 681 123 PaeTec Communications, Inc.
6478 1704 317 50 AT&T Worldnet Services
20115 1535 1540 633 Charter Communications
19262 1480 4916 330 Verizon Global Networks
7018 1363 7068 887 AT&T WorldNet Services
22773 1335 2897 88 Cox Communications, Inc.
11492 1280 240 15 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 516 1780 319 UPC Distribution Services
34984 516 106 179 BILISIM TELEKOM
3292 462 2078 397 TDC Tele Danmark
20940 456 133 350 Akamai Technologies European
29049 451 33 48 AzerSat LLC.
8866 445 134 26 Bulgarian Telecommunication C
12479 430 577 6 Uni2 Autonomous System
3320 426 8152 371 Deutsche Telekom AG
8551 406 355 45 Bezeq International
3301 398 1839 347 TeliaNet Sweden

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1492 274 156 TVCABLE BOGOTA
8151 1379 2710 364 UniNet S.A. de C.V.
28573 1321 991 88 NET Servicos de Comunicao S.A
7303 958 504 150 Telecom Argentina Stet-France
6503 727 354 70 AVANTEL, S.A.
14420 670 54 91 CORPORACION NACIONAL DE TELEC
22047 565 310 15 VTR PUNTO NET S.A.
3816 539 227 101 Empresa Nacional de Telecomun
13489 515 262 121 Orbitel S.A. E.S.P.
11172 495 84 84 Servicios Alestra S.A de C.V

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 871 445 11 TEDATA
24863 787 147 37 LINKdotNET AS number
15475 543 90 8 Nile Online
36992 290 315 18 Etisalat MISR
3741 263 937 226 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
24835 208 78 10 RAYA Telecom - Egypt
33776 202 11 8 Starcomms Nigeria Limited
29571 163 19 12 Ci Telecom Autonomous system
16637 150 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3641 3822 254 bellsouth.net, inc.
23456 2503 631 1363 32-bit ASN transition
4766 2461 9500 922 Korea Telecom (KIX)
4323 1972 1081 399 Time Warner Telecom
18566 1875 355 271 Covad Communications
17974 1852 516 32 PT TELEKOMUNIKASI INDONESIA
1785 1789 681 123 PaeTec Communications, Inc.
6478 1704 317 50 AT&T Worldnet Services
20115 1535 1540 633 Charter Communications
7545 1534 301 85 TPG Internet Pty Ltd

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
17974 1852 1820 PT TELEKOMUNIKASI INDONESIA
1785 1789 1666 PaeTec Communications, Inc.
6478 1704 1654 AT&T Worldnet Services
18566 1875 1604 Covad Communications
4323 1972 1573 Time Warner Telecom
4766 2461 1539 Korea Telecom (KIX)
7545 1534 1449 TPG Internet Pty Ltd
10620 1492 1336 TVCABLE BOGOTA
4755 1473 1304 TATA Communications formerly
11492 1280 1265 Cable One

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media Exchange, Inc.
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS
41.190.36.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:79 /12:228
/13:460 /14:794 /15:1394 /16:11758 /17:5834 /18:9760
/19:19296 /20:25693 /21:25898 /22:34097 /23:33118 /24:186639
/25:1090 /26:1269 /27:713 /28:166 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2242 3641 bellsouth.net, inc.
18566 1838 1875 Covad Communications
6478 1658 1704 AT&T Worldnet Services
10620 1382 1492 TVCABLE BOGOTA
11492 1226 1280 Cable One
23456 1220 2503 32-bit ASN transition
7011 1061 1160 Citizens Utilities
1785 1051 1789 PaeTec Communications, Inc.
4323 885 1972 Time Warner Telecom
22773 850 1335 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:279 2:48 4:16 5:1 6:3 8:353
12:1984 13:1 14:461 15:15 16:3 17:8
20:10 23:7 24:1645 27:774 31:351 32:60
33:4 34:2 37:1 38:739 40:101 41:2527
42:5 44:3 46:930 47:3 49:195 50:422
52:13 54:2 55:6 56:2 57:30 58:846
59:479 60:387 61:1235 62:1044 63:1940 64:3947
65:2293 66:4148 67:1873 68:1085 69:2992 70:706
71:352 72:1891 73:1 74:2358 75:302 76:341
77:870 78:706 79:464 80:1083 81:823 82:494
83:437 84:677 85:1061 86:593 87:754 88:330
89:1527 90:203 91:3788 92:517 93:1049 94:1280
95:802 96:506 97:249 98:850 99:35 101:58
103:28 106:1 107:7 108:84 109:949 110:600
111:712 112:304 113:400 114:535 115:671 116:946
117:693 118:827 119:1146 120:308 121:670 122:1621
123:999 124:1262 125:1230 128:262 129:173 130:164
131:571 132:109 133:19 134:213 135:48 136:214
137:143 138:300 139:112 140:482 141:239 142:403
143:400 144:483 145:54 146:447 147:209 148:590
149:242 150:168 151:186 152:325 153:177 154:3
155:397 156:194 157:354 158:137 159:387 160:317
161:207 162:282 163:164 164:498 165:355 166:515
167:428 168:733 169:155 170:805 171:77 172:1
173:1560 174:550 175:370 176:129 177:135 178:988
180:848 181:17 182:453 183:209 184:285 185:1
186:1174 187:770 188:842 189:903 190:4816 192:5840
193:4893 194:3500 195:2985 196:1224 197:19 198:3576
199:3905 200:5537 201:1484 202:8317 203:8405 204:4172
205:2328 206:2677 207:2874 208:3966 209:3471 210:2737
211:1394 212:1989 213:1735 214:729 215:72 216:4905
217:1632 218:565 219:363 220:1201 221:491 222:341
223:147

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz@gmail.com>.

Routing Table Report 04:00 +10GMT Sat 04 Jun, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 358561
Prefixes after maximum aggregation: 162439
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 178183
Total ASes present in the Internet Routing Table: 37775
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 31544
Origin ASes announcing only one prefix: 15151
Transit ASes present in the Internet Routing Table: 5102
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 747
Unregistered ASNs in the Routing Table: 395
Number of 32-bit ASNs allocated by the RIRs: 1425
Number of 32-bit ASNs visible in the Routing Table: 1129
Prefixes from 32-bit ASNs in the Routing Table: 2579
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2450918336
Equivalent to 146 /8s, 22 /16s and 11 /24s
Percentage of available address space announced: 66.1
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 149599

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 88800
Total APNIC prefixes after maximum aggregation: 30084
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 85253
Unique aggregates announced from the APNIC address blocks: 36662
APNIC Region origin ASes present in the Internet Routing Table: 4475
APNIC Prefixes per ASN: 19.05
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 705
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 47
Number of APNIC addresses announced to Internet: 619636256
Equivalent to 36 /8s, 238 /16s and 230 /24s
Percentage of available APNIC address space announced: 78.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140579
Total ARIN prefixes after maximum aggregation: 71516
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 112681
Unique aggregates announced from the ARIN address blocks: 46229
ARIN Region origin ASes present in the Internet Routing Table: 14406
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5495
ARIN Region transit ASes present in the Internet Routing Table: 1510
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 801985792
Equivalent to 47 /8s, 205 /16s and 85 /24s
Percentage of available ARIN address space announced: 63.7

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 85208
Total RIPE prefixes after maximum aggregation: 48504
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 78635
Unique aggregates announced from the RIPE address blocks: 52035
RIPE Region origin ASes present in the Internet Routing Table: 15661
RIPE Prefixes per ASN: 5.02
RIPE Region origin ASes announcing only one prefix: 7830
RIPE Region transit ASes present in the Internet Routing Table: 2461
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 834
Number of RIPE addresses announced to Internet: 475054592
Equivalent to 28 /8s, 80 /16s and 194 /24s
Percentage of available RIPE address space announced: 76.5

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 33171
Total LACNIC prefixes after maximum aggregation: 7536
LACNIC Deaggregation factor: 4.40
Prefixes being announced from the LACNIC address blocks: 32258
Unique aggregates announced from the LACNIC address blocks: 16961
LACNIC Region origin ASes present in the Internet Routing Table: 1462
LACNIC Prefixes per ASN: 22.06
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 263
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 231
Number of LACNIC addresses announced to Internet: 84647424
Equivalent to 5 /8s, 11 /16s and 158 /24s
Percentage of available LACNIC address space announced: 56.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 7999
Total AfriNIC prefixes after maximum aggregation: 1909
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6308
Unique aggregates announced from the AfriNIC address blocks: 1917
AfriNIC Region origin ASes present in the Internet Routing Table: 458
AfriNIC Prefixes per ASN: 13.77
AfriNIC Region origin ASes announcing only one prefix: 142
AfriNIC Region transit ASes present in the Internet Routing Table: 100
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 23586048
Equivalent to 1 /8s, 103 /16s and 229 /24s
Percentage of available AfriNIC address space announced: 35.1

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2460 9500 922 Korea Telecom (KIX)
17974 1541 441 38 PT TELEKOMUNIKASI INDONESIA
7545 1537 301 86 TPG Internet Pty Ltd
4755 1470 634 166 TATA Communications formerly
24560 1155 337 187 Bharti Airtel Ltd., Telemedia
7552 1141 1064 7 Vietel Corporation
4808 1086 2144 308 CNCGROUP IP network: China169
9583 1082 80 510 Sify Limited
9829 956 843 82 BSNL National Internet Backbo
18101 931 116 139 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3641 3822 256 bellsouth.net, inc.
4323 1973 1081 400 Time Warner Telecom
18566 1875 355 269 Covad Communications
1785 1790 681 122 PaeTec Communications, Inc.
6478 1716 318 45 AT&T Worldnet Services
20115 1535 1540 633 Charter Communications
19262 1492 4936 307 Verizon Global Networks
7018 1367 7068 892 AT&T WorldNet Services
22773 1337 2897 88 Cox Communications, Inc.
2386 1268 536 911 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6830 517 1780 320 UPC Distribution Services
34984 517 106 179 BILISIM TELEKOM
3292 461 2078 396 TDC Tele Danmark
20940 458 134 350 Akamai Technologies European
29049 451 33 48 AzerSat LLC.
8866 445 134 26 Bulgarian Telecommunication C
12479 432 593 7 Uni2 Autonomous System
3320 425 8152 370 Deutsche Telekom AG
8551 405 354 48 Bezeq International
702 396 1803 310 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1512 278 157 TVCABLE BOGOTA
8151 1383 2724 364 UniNet S.A. de C.V.
28573 1319 992 86 NET Servicos de Comunicao S.A
7303 960 504 154 Telecom Argentina Stet-France
6503 734 354 73 AVANTEL, S.A.
14420 675 54 89 CORPORACION NACIONAL DE TELEC
22047 565 310 15 VTR PUNTO NET S.A.
3816 527 231 93 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
13489 515 262 124 Orbitel S.A. E.S.P.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 833 445 11 TEDATA
24863 721 147 37 LINKdotNET AS number
15475 544 90 8 Nile Online
36992 294 399 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 218 12 11 Starcomms Nigeria Limited
24835 208 78 10 RAYA Telecom - Egypt
29571 193 19 12 Ci Telecom Autonomous system
16637 150 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3641 3822 256 bellsouth.net, inc.
23456 2579 639 1398 32-bit ASN transition
4766 2460 9500 922 Korea Telecom (KIX)
4323 1973 1081 400 Time Warner Telecom
18566 1875 355 269 Covad Communications
1785 1790 681 122 PaeTec Communications, Inc.
6478 1716 318 45 AT&T Worldnet Services
17974 1541 441 38 PT TELEKOMUNIKASI INDONESIA
7545 1537 301 86 TPG Internet Pty Ltd
20115 1535 1540 633 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
6478 1716 1671 AT&T Worldnet Services
1785 1790 1668 PaeTec Communications, Inc.
18566 1875 1606 Covad Communications
4323 1973 1573 Time Warner Telecom
4766 2460 1538 Korea Telecom (KIX)
17974 1541 1503 PT TELEKOMUNIKASI INDONESIA
7545 1537 1451 TPG Internet Pty Ltd
10620 1512 1355 TVCABLE BOGOTA
4755 1470 1304 TATA Communications formerly
22773 1337 1249 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media Exchange, Inc.
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS
41.190.36.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:12 /10:28 /11:81 /12:228
/13:461 /14:798 /15:1395 /16:11917 /17:5834 /18:9733
/19:19342 /20:25663 /21:25940 /22:34114 /23:33063 /24:186681
/25:1084 /26:1275 /27:711 /28:165 /29:8 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2243 3641 bellsouth.net, inc.
18566 1838 1875 Covad Communications
6478 1670 1716 AT&T Worldnet Services
10620 1402 1512 TVCABLE BOGOTA
23456 1260 2579 32-bit ASN transition
11492 1107 1153 Cable One
7011 1061 1160 Citizens Utilities
1785 1050 1790 PaeTec Communications, Inc.
4323 886 1973 Time Warner Telecom
22773 852 1337 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:282 2:48 4:16 5:1 6:3 8:336
12:1980 13:1 14:464 15:15 16:3 17:8
20:10 23:6 24:1613 27:752 31:419 32:60
33:4 34:2 37:1 38:737 40:102 41:2524
42:6 44:3 46:934 47:3 49:200 50:435
52:13 54:2 55:6 56:2 57:29 58:840
59:479 60:387 61:1131 62:1035 63:1937 64:3941
65:2289 66:4148 67:1867 68:1091 69:2989 70:704
71:352 72:1883 73:1 74:2354 75:305 76:341
77:873 78:700 79:460 80:1078 81:836 82:493
83:440 84:677 85:1070 86:592 87:753 88:331
89:1531 90:203 91:3808 92:524 93:1049 94:1283
95:820 96:506 97:249 98:860 99:35 101:61
103:47 106:1 107:7 108:85 109:957 110:600
111:708 112:304 113:404 114:535 115:668 116:957
117:693 118:797 119:1148 120:311 121:671 122:1626
123:962 124:1270 125:1217 128:261 129:173 130:164
131:570 132:109 133:19 134:213 135:48 136:214
137:145 138:300 139:109 140:481 141:239 142:404
143:406 144:487 145:54 146:447 147:211 148:595
149:244 150:172 151:185 152:328 153:179 154:3
155:397 156:195 157:352 158:138 159:380 160:317
161:207 162:281 163:165 164:501 165:354 166:515
167:427 168:728 169:155 170:801 171:77 172:1
173:1554 174:551 175:370 176:130 177:145 178:995
180:858 181:18 182:459 183:211 184:293 185:1
186:1215 187:771 188:849 189:897 190:4863 192:5849
193:4901 194:3494 195:2997 196:1220 197:19 198:3565
199:3923 200:5547 201:1484 202:8271 203:8390 204:4180
205:2310 206:2686 207:2875 208:3973 209:3476 210:2725
211:1398 212:1998 213:1723 214:730 215:72 216:4943
217:1638 218:546 219:363 220:1204 221:490 222:316
223:150

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz@gmail.com>.

Routing Table Report 04:00 +10GMT Sat 11 Jun, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 359107
Prefixes after maximum aggregation: 162630
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 178253
Total ASes present in the Internet Routing Table: 37831
Prefixes per ASN: 9.49
Origin-only ASes present in the Internet Routing Table: 31580
Origin ASes announcing only one prefix: 15168
Transit ASes present in the Internet Routing Table: 5113
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 783
Unregistered ASNs in the Routing Table: 419
Number of 32-bit ASNs allocated by the RIRs: 1446
Number of 32-bit ASNs visible in the Routing Table: 1138
Prefixes from 32-bit ASNs in the Routing Table: 2602
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 164
Number of addresses announced to Internet: 2487684608
Equivalent to 148 /8s, 71 /16s and 14 /24s
Percentage of available address space announced: 67.1
Percentage of allocated address space announced: 67.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.1
Total number of prefixes smaller than registry allocations: 149733

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 88931
Total APNIC prefixes after maximum aggregation: 29983
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 85430
Unique aggregates announced from the APNIC address blocks: 36696
APNIC Region origin ASes present in the Internet Routing Table: 4477
APNIC Prefixes per ASN: 19.08
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 703
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 46
Number of APNIC addresses announced to Internet: 620146464
Equivalent to 36 /8s, 246 /16s and 175 /24s
Percentage of available APNIC address space announced: 78.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140907
Total ARIN prefixes after maximum aggregation: 71613
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 112819
Unique aggregates announced from the ARIN address blocks: 46088
ARIN Region origin ASes present in the Internet Routing Table: 14426
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5503
ARIN Region transit ASes present in the Internet Routing Table: 1517
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 818671872
Equivalent to 48 /8s, 203 /16s and 241 /24s
Percentage of available ARIN address space announced: 65.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 85501
Total RIPE prefixes after maximum aggregation: 48681
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 78946
Unique aggregates announced from the RIPE address blocks: 52214
RIPE Region origin ASes present in the Internet Routing Table: 15695
RIPE Prefixes per ASN: 5.03
RIPE Region origin ASes announcing only one prefix: 7840
RIPE Region transit ASes present in the Internet Routing Table: 2472
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 847
Number of RIPE addresses announced to Internet: 477055488
Equivalent to 28 /8s, 111 /16s and 74 /24s
Percentage of available RIPE address space announced: 76.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 32899
Total LACNIC prefixes after maximum aggregation: 7498
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 31955
Unique aggregates announced from the LACNIC address blocks: 16895
LACNIC Region origin ASes present in the Internet Routing Table: 1451
LACNIC Prefixes per ASN: 22.02
LACNIC Region origin ASes announcing only one prefix: 433
LACNIC Region transit ASes present in the Internet Routing Table: 253
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 228
Number of LACNIC addresses announced to Internet: 84687104
Equivalent to 5 /8s, 12 /16s and 57 /24s
Percentage of available LACNIC address space announced: 56.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8043
Total AfriNIC prefixes after maximum aggregation: 1920
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6357
Unique aggregates announced from the AfriNIC address blocks: 1904
AfriNIC Region origin ASes present in the Internet Routing Table: 460
AfriNIC Prefixes per ASN: 13.82
AfriNIC Region origin ASes announcing only one prefix: 141
AfriNIC Region transit ASes present in the Internet Routing Table: 100
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5
Number of AfriNIC addresses announced to Internet: 24155648
Equivalent to 1 /8s, 112 /16s and 150 /24s
Percentage of available AfriNIC address space announced: 36.0

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2462 9500 924 Korea Telecom (KIX)
17974 1561 441 38 PT TELEKOMUNIKASI INDONESIA
7545 1539 301 86 TPG Internet Pty Ltd
4755 1471 634 166 TATA Communications formerly
24560 1152 336 187 Bharti Airtel Ltd., Telemedia
7552 1146 1064 7 Vietel Corporation
9583 1071 79 500 Sify Limited
4808 1052 2098 299 CNCGROUP IP network: China169
9829 1029 870 67 BSNL National Internet Backbo
17488 946 191 102 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3628 3822 252 bellsouth.net, inc.
4323 1963 1097 401 Time Warner Telecom
18566 1913 365 237 Covad Communications
1785 1791 681 122 PaeTec Communications, Inc.
6478 1721 319 45 AT&T Worldnet Services
20115 1539 1541 633 Charter Communications
19262 1490 4932 314 Verizon Global Networks
7018 1364 7052 891 AT&T WorldNet Services
22773 1340 2897 87 Cox Communications, Inc.
2386 1271 536 912 AT&T Data Communications Serv

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
34984 521 106 180 BILISIM TELEKOM
6830 513 1780 320 UPC Distribution Services
3292 464 2078 399 TDC Tele Danmark
20940 462 135 354 Akamai Technologies European
29049 451 33 48 AzerSat LLC.
8866 445 134 26 Bulgarian Telecommunication C
12479 436 593 7 Uni2 Autonomous System
3320 425 8152 370 Deutsche Telekom AG
8551 406 355 45 Bezeq International
702 396 1803 310 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1513 278 157 TVCABLE BOGOTA
28573 1321 992 80 NET Servicos de Comunicao S.A
8151 1268 2727 364 UniNet S.A. de C.V.
7303 990 506 170 Telecom Argentina Stet-France
6503 739 354 73 AVANTEL, S.A.
14420 677 54 80 CORPORACION NACIONAL DE TELEC
22047 564 310 15 VTR PUNTO NET S.A.
3816 528 231 94 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
13489 516 262 124 Orbitel S.A. E.S.P.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 797 445 11 TEDATA
24863 795 147 37 LINKdotNET AS number
15475 527 74 8 Nile Online
36992 308 415 18 Etisalat MISR
3741 264 937 225 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
24835 210 78 10 RAYA Telecom - Egypt
33776 200 12 11 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
16637 150 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3628 3822 252 bellsouth.net, inc.
23456 2602 639 1421 32-bit ASN transition
4766 2462 9500 924 Korea Telecom (KIX)
4323 1963 1097 401 Time Warner Telecom
18566 1913 365 237 Covad Communications
1785 1791 681 122 PaeTec Communications, Inc.
6478 1721 319 45 AT&T Worldnet Services
17974 1561 441 38 PT TELEKOMUNIKASI INDONESIA
7545 1539 301 86 TPG Internet Pty Ltd
20115 1539 1541 633 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
18566 1913 1676 Covad Communications
6478 1721 1676 AT&T Worldnet Services
1785 1791 1669 PaeTec Communications, Inc.
4323 1963 1562 Time Warner Telecom
4766 2462 1538 Korea Telecom (KIX)
17974 1561 1523 PT TELEKOMUNIKASI INDONESIA
7545 1539 1453 TPG Internet Pty Ltd
10620 1513 1356 TVCABLE BOGOTA
4755 1471 1305 TATA Communications formerly
22773 1340 1253 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media Exchange, Inc.
31.131.192.0/19 42368 RIPE Network Coordination Cen
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:22 /9:12 /10:28 /11:80 /12:230
/13:462 /14:800 /15:1394 /16:11946 /17:5847 /18:9787
/19:19372 /20:25829 /21:26021 /22:34187 /23:33194 /24:186895
/25:1055 /26:1225 /27:663 /28:41 /29:9 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2233 3628 bellsouth.net, inc.
18566 1870 1913 Covad Communications
6478 1675 1721 AT&T Worldnet Services
10620 1403 1513 TVCABLE BOGOTA
23456 1290 2602 32-bit ASN transition
11492 1092 1138 Cable One
7011 1061 1161 Citizens Utilities
1785 1050 1791 PaeTec Communications, Inc.
7029 909 1159 Alltel Information Services,
4323 875 1963 Time Warner Telecom

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:285 2:48 4:16 5:1 6:3 8:338
12:1977 13:1 14:461 15:15 16:3 17:8
20:10 23:11 24:1611 27:772 31:429 32:60
33:4 34:2 37:1 38:737 40:103 41:2515
42:2 44:3 46:957 47:3 49:187 50:405
52:13 54:2 55:4 56:2 57:29 58:841
59:475 60:387 61:1122 62:1053 63:1935 64:3939
65:2254 66:4138 67:1884 68:1086 69:3003 70:705
71:373 72:1846 74:2354 75:309 76:340 77:881
78:706 79:457 80:1106 81:832 82:493 83:457
84:666 85:1080 86:581 87:751 88:330 89:1529
90:204 91:3839 92:526 93:1037 94:1292 95:825
96:444 97:251 98:871 99:36 101:68 103:56
106:6 107:11 108:83 109:973 110:601 111:710
112:299 113:399 114:537 115:687 116:959 117:675
118:793 119:1142 120:313 121:669 122:1627 123:950
124:1274 125:1217 128:261 129:175 130:164 131:577
132:110 133:19 134:214 135:48 136:214 137:144
138:300 139:112 140:469 141:238 142:404 143:417
144:495 145:54 146:448 147:214 148:606 149:247
150:172 151:187 152:330 153:180 154:3 155:399
156:195 157:352 158:138 159:380 160:318 161:208
162:309 163:165 164:500 165:352 166:530 167:424
168:729 169:155 170:832 171:77 172:1 173:1605
174:584 175:371 176:133 177:135 178:1003 180:886
181:18 182:466 183:216 184:297 185:1 186:1188
187:753 188:848 189:910 190:4890 192:5841 193:4918
194:3497 195:3003 196:1231 197:20 198:3585 199:3927
200:5498 201:1480 202:8316 203:8357 204:4187 205:2339
206:2679 207:2826 208:3946 209:3471 210:2713 211:1400
212:2008 213:1727 214:742 215:68 216:4923 217:1638
218:548 219:364 220:1205 221:490 222:317 223:156


End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz@gmail.com>.

Routing Table Report 04:00 +10GMT Sat 18 Jun, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 360387
Prefixes after maximum aggregation: 163564
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 178868
Total ASes present in the Internet Routing Table: 37921
Prefixes per ASN: 9.50
Origin-only ASes present in the Internet Routing Table: 31627
Origin ASes announcing only one prefix: 15197
Transit ASes present in the Internet Routing Table: 5136
Transit-only ASes present in the Internet Routing Table: 131
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 818
Unregistered ASNs in the Routing Table: 441
Number of 32-bit ASNs allocated by the RIRs: 1463
Number of 32-bit ASNs visible in the Routing Table: 1158
Prefixes from 32-bit ASNs in the Routing Table: 2676
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 141
Number of addresses announced to Internet: 2488807488
Equivalent to 148 /8s, 88 /16s and 48 /24s
Percentage of available address space announced: 67.1
Percentage of allocated address space announced: 67.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 150087

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 89629
Total APNIC prefixes after maximum aggregation: 30149
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 86121
Unique aggregates announced from the APNIC address blocks: 36875
APNIC Region origin ASes present in the Internet Routing Table: 4482
APNIC Prefixes per ASN: 19.21
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 706
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 46
Number of APNIC addresses announced to Internet: 620285216
Equivalent to 36 /8s, 248 /16s and 205 /24s
Percentage of available APNIC address space announced: 78.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 140967
Total ARIN prefixes after maximum aggregation: 72104
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 112897
Unique aggregates announced from the ARIN address blocks: 46236
ARIN Region origin ASes present in the Internet Routing Table: 14446
ARIN Prefixes per ASN: 7.82
ARIN Region origin ASes announcing only one prefix: 5520
ARIN Region transit ASes present in the Internet Routing Table: 1524
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 818669312
Equivalent to 48 /8s, 203 /16s and 231 /24s
Percentage of available ARIN address space announced: 65.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 85734
Total RIPE prefixes after maximum aggregation: 48818
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79180
Unique aggregates announced from the RIPE address blocks: 52437
RIPE Region origin ASes present in the Internet Routing Table: 15722
RIPE Prefixes per ASN: 5.04
RIPE Region origin ASes announcing only one prefix: 7850
RIPE Region transit ASes present in the Internet Routing Table: 2477
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 855
Number of RIPE addresses announced to Internet: 477374720
Equivalent to 28 /8s, 116 /16s and 41 /24s
Percentage of available RIPE address space announced: 76.9

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 33067
Total LACNIC prefixes after maximum aggregation: 7539
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 32170
Unique aggregates announced from the LACNIC address blocks: 16905
LACNIC Region origin ASes present in the Internet Routing Table: 1468
LACNIC Prefixes per ASN: 21.91
LACNIC Region origin ASes announcing only one prefix: 438
LACNIC Region transit ASes present in the Internet Routing Table: 262
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 241
Number of LACNIC addresses announced to Internet: 84924928
Equivalent to 5 /8s, 15 /16s and 218 /24s
Percentage of available LACNIC address space announced: 56.2

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8091
Total AfriNIC prefixes after maximum aggregation: 1965
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6390
Unique aggregates announced from the AfriNIC address blocks: 1967
AfriNIC Region origin ASes present in the Internet Routing Table: 465
AfriNIC Prefixes per ASN: 13.74
AfriNIC Region origin ASes announcing only one prefix: 143
AfriNIC Region transit ASes present in the Internet Routing Table: 101
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24250368
Equivalent to 1 /8s, 114 /16s and 8 /24s
Percentage of available AfriNIC address space announced: 36.1

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2457 9500 924 Korea Telecom (KIX)
17974 1879 465 43 PT TELEKOMUNIKASI INDONESIA
7545 1538 301 85 TPG Internet Pty Ltd
4755 1478 634 168 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
7552 1143 1064 7 Vietel Corporation
9583 1079 80 510 Sify Limited
4808 1048 2090 300 CNCGROUP IP network: China169
9829 1042 879 56 BSNL National Internet Backbo
17488 950 190 101 Hathway IP Over Cable Interne

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3629 3819 250 bellsouth.net, inc.
18566 1913 365 237 Covad Communications
1785 1796 681 122 PaeTec Communications, Inc.
4323 1660 1081 397 Time Warner Telecom
6478 1634 296 275 AT&T Worldnet Services
20115 1522 1526 640 Charter Communications
19262 1493 4936 308 Verizon Global Networks
7018 1363 7054 889 AT&T WorldNet Services
22773 1338 2897 85 Cox Communications, Inc.
7029 1312 790 297 Alltel Information Services,

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
34984 524 107 182 BILISIM TELEKOM
6830 513 1780 320 UPC Distribution Services
3292 466 2078 401 TDC Tele Danmark
20940 462 135 354 Akamai Technologies European
29049 449 33 46 AzerSat LLC.
8866 445 134 26 Bulgarian Telecommunication C
12479 434 593 7 Uni2 Autonomous System
3320 420 8151 367 Deutsche Telekom AG
8551 404 354 44 Bezeq International
3301 398 1839 347 TeliaNet Sweden

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1522 278 155 TVCABLE BOGOTA
28573 1279 993 78 NET Servicos de Comunicao S.A
8151 1269 2729 363 UniNet S.A. de C.V.
7303 990 506 170 Telecom Argentina Stet-France
6503 741 354 73 AVANTEL, S.A.
14420 683 55 82 CORPORACION NACIONAL DE TELEC
22047 572 322 17 VTR PUNTO NET S.A.
3816 532 231 95 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 499 53 52 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
24863 795 147 37 LINKdotNET AS number
8452 763 445 11 TEDATA
15475 526 74 8 Nile Online
36992 304 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 215 12 11 Starcomms Nigeria Limited
24835 211 78 10 RAYA Telecom - Egypt
29571 192 17 11 Ci Telecom Autonomous system
16637 150 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3629 3819 250 bellsouth.net, inc.
23456 2676 661 1448 32-bit ASN transition
4766 2457 9500 924 Korea Telecom (KIX)
18566 1913 365 237 Covad Communications
17974 1879 465 43 PT TELEKOMUNIKASI INDONESIA
1785 1796 681 122 PaeTec Communications, Inc.
4323 1660 1081 397 Time Warner Telecom
6478 1634 296 275 AT&T Worldnet Services
7545 1538 301 85 TPG Internet Pty Ltd
10620 1522 278 155 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
17974 1879 1836 PT TELEKOMUNIKASI INDONESIA
18566 1913 1676 Covad Communications
1785 1796 1674 PaeTec Communications, Inc.
4766 2457 1533 Korea Telecom (KIX)
7545 1538 1453 TPG Internet Pty Ltd
10620 1522 1367 TVCABLE BOGOTA
6478 1634 1359 AT&T Worldnet Services
4755 1478 1310 TATA Communications formerly
4323 1660 1263 Time Warner Telecom
22773 1338 1253 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media Exchange, Inc.
31.132.8.0/21 15478 White Market Media SRL
31.132.32.0/20 15478 White Market Media SRL
41.190.32.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:22 /9:12 /10:28 /11:81 /12:231
/13:462 /14:801 /15:1394 /16:11951 /17:5841 /18:9796
/19:19380 /20:26032 /21:26006 /22:34385 /23:33300 /24:187515
/25:1093 /26:1270 /27:729 /28:41 /29:9 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2232 3629 bellsouth.net, inc.
18566 1870 1913 Covad Communications
6478 1597 1634 AT&T Worldnet Services
10620 1412 1522 TVCABLE BOGOTA
23456 1328 2676 32-bit ASN transition
11492 1090 1136 Cable One
7011 1059 1159 Citizens Utilities
7029 1059 1312 Alltel Information Services,
1785 1050 1796 PaeTec Communications, Inc.
22773 856 1338 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:286 2:43 4:16 5:1 6:3 8:335
12:1973 13:1 14:464 15:15 16:3 17:8
20:10 23:11 24:1653 27:790 31:444 32:64
33:4 34:2 37:1 38:734 40:103 41:2508
42:2 44:3 46:976 47:3 49:188 50:409
52:13 54:2 55:4 56:2 57:32 58:845
59:472 60:387 61:1181 62:1050 63:1935 64:3944
65:2271 66:3860 67:1889 68:1089 69:3026 70:723
71:376 72:1886 74:2377 75:319 76:339 77:881
78:707 79:460 80:1113 81:846 82:493 83:461
84:667 85:1082 86:581 87:757 88:333 89:1530
90:208 91:3855 92:530 93:1049 94:1294 95:838
96:445 97:249 98:879 99:36 101:70 103:79
106:7 107:14 108:71 109:1006 110:606 111:709
112:303 113:399 114:540 115:668 116:962 117:677
118:826 119:1145 120:312 121:669 122:1628 123:941
124:1267 125:1235 128:247 129:174 130:165 131:578
132:111 133:21 134:214 135:48 136:216 137:138
138:300 139:113 140:480 141:238 142:403 143:413
144:489 145:54 146:451 147:211 148:610 149:247
150:171 151:190 152:332 153:180 154:4 155:398
156:195 157:352 158:138 159:389 160:319 161:208
162:313 163:162 164:500 165:352 166:532 167:423
168:740 169:156 170:838 171:77 172:1 173:1621
174:602 175:362 176:135 177:160 178:1000 180:892
181:19 182:476 183:220 184:302 185:1 186:1241
187:731 188:857 189:907 190:4898 192:5856 193:4956
194:3492 195:3032 196:1221 197:24 198:3596 199:3945
200:5542 201:1501 202:8319 203:8407 204:4188 205:2348
206:2686 207:2815 208:3927 209:3463 210:2689 211:1424
212:2006 213:1726 214:773 215:69 216:4933 217:1643
218:545 219:365 220:1202 221:491 222:354 223:159


End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz@gmail.com>.

Routing Table Report 04:00 +10GMT Sat 25 Jun, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 361681
Prefixes after maximum aggregation: 164222
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 178750
Total ASes present in the Internet Routing Table: 37989
Prefixes per ASN: 9.52
Origin-only ASes present in the Internet Routing Table: 31644
Origin ASes announcing only one prefix: 15205
Transit ASes present in the Internet Routing Table: 5162
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 849
Unregistered ASNs in the Routing Table: 461
Number of 32-bit ASNs allocated by the RIRs: 1493
Number of 32-bit ASNs visible in the Routing Table: 1183
Prefixes from 32-bit ASNs in the Routing Table: 2711
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 137
Number of addresses announced to Internet: 2493130048
Equivalent to 148 /8s, 154 /16s and 37 /24s
Percentage of available address space announced: 67.3
Percentage of allocated address space announced: 67.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 150698

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 89840
Total APNIC prefixes after maximum aggregation: 30209
APNIC Deaggregation factor: 2.97
Prefixes being announced from the APNIC address blocks: 86590
Unique aggregates announced from the APNIC address blocks: 36226
APNIC Region origin ASes present in the Internet Routing Table: 4497
APNIC Prefixes per ASN: 19.26
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 712
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 52
Number of APNIC addresses announced to Internet: 622748704
Equivalent to 37 /8s, 30 /16s and 100 /24s
Percentage of available APNIC address space announced: 79.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 141304
Total ARIN prefixes after maximum aggregation: 72518
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 113252
Unique aggregates announced from the ARIN address blocks: 46525
ARIN Region origin ASes present in the Internet Routing Table: 14441
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5515
ARIN Region transit ASes present in the Internet Routing Table: 1518
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 819201536
Equivalent to 48 /8s, 212 /16s and 6 /24s
Percentage of available ARIN address space announced: 65.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 86138
Total RIPE prefixes after maximum aggregation: 48944
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79529
Unique aggregates announced from the RIPE address blocks: 52628
RIPE Region origin ASes present in the Internet Routing Table: 15751
RIPE Prefixes per ASN: 5.05
RIPE Region origin ASes announcing only one prefix: 7864
RIPE Region transit ASes present in the Internet Routing Table: 2496
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 870
Number of RIPE addresses announced to Internet: 478213376
Equivalent to 28 /8s, 128 /16s and 245 /24s
Percentage of available RIPE address space announced: 77.0

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 33273
Total LACNIC prefixes after maximum aggregation: 7572
LACNIC Deaggregation factor: 4.39
Prefixes being announced from the LACNIC address blocks: 32313
Unique aggregates announced from the LACNIC address blocks: 16912
LACNIC Region origin ASes present in the Internet Routing Table: 1471
LACNIC Prefixes per ASN: 21.97
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 264
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 245
Number of LACNIC addresses announced to Internet: 85595904
Equivalent to 5 /8s, 26 /16s and 23 /24s
Percentage of available LACNIC address space announced: 56.7

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8197
Total AfriNIC prefixes after maximum aggregation: 1952
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 6495
Unique aggregates announced from the AfriNIC address blocks: 1981
AfriNIC Region origin ASes present in the Internet Routing Table: 459
AfriNIC Prefixes per ASN: 14.15
AfriNIC Region origin ASes announcing only one prefix: 138
AfriNIC Region transit ASes present in the Internet Routing Table: 102
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24303616
Equivalent to 1 /8s, 114 /16s and 216 /24s
Percentage of available AfriNIC address space announced: 36.2

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2458 9500 928 Korea Telecom (KIX)
17974 1842 460 45 PT TELEKOMUNIKASI INDONESIA
7545 1542 301 84 TPG Internet Pty Ltd
4755 1479 634 168 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9583 1079 80 510 Sify Limited
4808 1051 2092 302 CNCGROUP IP network: China169
9829 1043 886 64 BSNL National Internet Backbo
17488 957 183 104 Hathway IP Over Cable Interne
18101 931 116 138 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3629 3819 249 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1797 681 122 PaeTec Communications, Inc.
4323 1661 1081 398 Time Warner Telecom
20115 1586 1531 635 Charter Communications
6478 1499 276 522 AT&T Worldnet Services
19262 1451 4805 372 Verizon Global Networks
7018 1358 7053 892 AT&T WorldNet Services
22773 1346 2897 87 Cox Communications, Inc.
7029 1309 790 298 Alltel Information Services,

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
34984 530 107 183 BILISIM TELEKOM
6830 515 1780 320 UPC Distribution Services
3292 469 2080 404 TDC Tele Danmark
20940 467 137 359 Akamai Technologies European
8866 445 134 26 Bulgarian Telecommunication C
29049 444 33 45 AzerSat LLC.
12479 437 593 7 Uni2 Autonomous System
3320 420 8151 367 Deutsche Telekom AG
8551 404 354 44 Bezeq International
3301 396 1839 345 TeliaNet Sweden

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1532 281 157 TVCABLE BOGOTA
8151 1422 2736 358 UniNet S.A. de C.V.
28573 1264 993 78 NET Servicos de Comunicao S.A
7303 993 507 171 Telecom Argentina Stet-France
6503 741 354 74 AVANTEL, S.A.
14420 683 55 82 CORPORACION NACIONAL DE TELEC
22047 576 322 17 VTR PUNTO NET S.A.
3816 531 231 94 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 500 53 52 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
24863 798 147 37 LINKdotNET AS number
8452 791 445 11 TEDATA
15475 525 74 8 Nile Online
36992 318 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 216 12 11 Starcomms Nigeria Limited
24835 211 78 10 RAYA Telecom - Egypt
29571 192 17 11 Ci Telecom Autonomous system
16637 149 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3629 3819 249 bellsouth.net, inc.
23456 2711 657 1466 32-bit ASN transition
4766 2458 9500 928 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
17974 1842 460 45 PT TELEKOMUNIKASI INDONESIA
1785 1797 681 122 PaeTec Communications, Inc.
4323 1661 1081 398 Time Warner Telecom
20115 1586 1531 635 Charter Communications
7545 1542 301 84 TPG Internet Pty Ltd
10620 1532 281 157 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
17974 1842 1797 PT TELEKOMUNIKASI INDONESIA
1785 1797 1675 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2458 1530 Korea Telecom (KIX)
7545 1542 1458 TPG Internet Pty Ltd
10620 1532 1375 TVCABLE BOGOTA
4755 1479 1311 TATA Communications formerly
4323 1661 1263 Time Warner Telecom
22773 1346 1259 Cox Communications, Inc.
23456 2711 1245 32-bit ASN transition

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media Exchange, Inc.
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS
41.190.36.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:23 /9:12 /10:28 /11:81 /12:231
/13:461 /14:800 /15:1395 /16:11963 /17:5860 /18:9743
/19:19407 /20:25807 /21:26086 /22:34501 /23:33493 /24:188475
/25:1088 /26:1268 /27:728 /28:214 /29:9 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2233 3629 bellsouth.net, inc.
18566 1869 1913 Covad Communications
6478 1466 1499 AT&T Worldnet Services
10620 1427 1532 TVCABLE BOGOTA
23456 1335 2711 32-bit ASN transition
11492 1090 1136 Cable One
7011 1058 1159 Citizens Utilities
7029 1055 1309 Alltel Information Services,
1785 1050 1797 PaeTec Communications, Inc.
22773 861 1346 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:297 2:42 4:16 5:1 6:3 8:336
12:1978 13:1 14:463 15:15 16:3 17:8
20:10 23:12 24:1657 27:806 31:482 32:64
33:4 34:2 37:1 38:738 39:3 40:103
41:2550 42:2 44:3 46:986 47:3 49:196
50:413 52:13 54:2 55:2 56:2 57:32
58:856 59:473 60:386 61:1183 62:1051 63:1937
64:3945 65:2288 66:3881 67:1901 68:1092 69:3048
70:756 71:388 72:1888 74:2383 75:319 76:340
77:884 78:714 79:464 80:1109 81:837 82:492
83:456 84:670 85:1078 86:552 87:759 88:333
89:1525 90:209 91:3871 92:536 93:1045 94:1316
95:839 96:445 97:253 98:880 99:36 101:76
103:90 106:10 107:16 108:70 109:1012 110:612
111:707 112:303 113:406 114:543 115:666 116:968
117:671 118:851 119:1144 120:313 121:669 122:1633
123:959 124:1303 125:1239 128:247 129:172 130:168
131:577 132:112 133:21 134:214 135:48 136:214
137:138 138:300 139:114 140:479 141:239 142:403
143:419 144:489 145:54 146:450 147:215 148:659
149:245 150:170 151:190 152:332 153:180 154:4
155:398 156:195 157:350 158:137 159:452 160:313
161:208 162:310 163:162 164:506 165:354 166:534
167:433 168:739 169:158 170:846 171:78 172:1
173:1621 174:607 175:372 176:138 177:150 178:1008
180:898 181:19 182:484 183:223 184:307 185:1
186:1234 187:738 188:873 189:913 190:4908 192:5867
193:4973 194:3489 195:3040 196:1222 197:41 198:3586
199:3958 200:5530 201:1503 202:8356 203:8429 204:4202
205:2347 206:2682 207:2809 208:3955 209:3471 210:2727
211:1460 212:2100 213:1739 214:772 215:69 216:4933
217:1636 218:549 219:362 220:1207 221:490 222:361
223:161

End of report
Weekly Routing Table Report [ In reply to ]
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz@gmail.com>.

Routing Table Report 04:00 +10GMT Sat 02 Jul, 2011

Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined: 362404
Prefixes after maximum aggregation: 164721
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 179786
Total ASes present in the Internet Routing Table: 38071
Prefixes per ASN: 9.52
Origin-only ASes present in the Internet Routing Table: 31670
Origin ASes announcing only one prefix: 15223
Transit ASes present in the Internet Routing Table: 5179
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (22394) 27
Prefixes from unregistered ASNs in the Routing Table: 877
Unregistered ASNs in the Routing Table: 484
Number of 32-bit ASNs allocated by the RIRs: 1514
Number of 32-bit ASNs visible in the Routing Table: 1222
Prefixes from 32-bit ASNs in the Routing Table: 2774
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 134
Number of addresses announced to Internet: 2492654912
Equivalent to 148 /8s, 146 /16s and 229 /24s
Percentage of available address space announced: 67.3
Percentage of allocated address space announced: 67.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.0
Total number of prefixes smaller than registry allocations: 151058

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes: 90072
Total APNIC prefixes after maximum aggregation: 30234
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 86827
Unique aggregates announced from the APNIC address blocks: 37040
APNIC Region origin ASes present in the Internet Routing Table: 4494
APNIC Prefixes per ASN: 19.32
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 708
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 53
Number of APNIC addresses announced to Internet: 621139616
Equivalent to 37 /8s, 5 /16s and 214 /24s
Percentage of available APNIC address space announced: 78.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes: 141388
Total ARIN prefixes after maximum aggregation: 72780
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113365
Unique aggregates announced from the ARIN address blocks: 46607
ARIN Region origin ASes present in the Internet Routing Table: 14460
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5524
ARIN Region transit ASes present in the Internet Routing Table: 1519
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 30
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 819612288
Equivalent to 48 /8s, 218 /16s and 74 /24s
Percentage of available ARIN address space announced: 65.1

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 214/8, 215/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes: 86326
Total RIPE prefixes after maximum aggregation: 49069
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79752
Unique aggregates announced from the RIPE address blocks: 52675
RIPE Region origin ASes present in the Internet Routing Table: 15768
RIPE Prefixes per ASN: 5.06
RIPE Region origin ASes announcing only one prefix: 7871
RIPE Region transit ASes present in the Internet Routing Table: 2503
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 899
Number of RIPE addresses announced to Internet: 478628096
Equivalent to 28 /8s, 135 /16s and 73 /24s
Percentage of available RIPE address space announced: 77.1

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes: 33414
Total LACNIC prefixes after maximum aggregation: 7555
LACNIC Deaggregation factor: 4.42
Prefixes being announced from the LACNIC address blocks: 32490
Unique aggregates announced from the LACNIC address blocks: 16972
LACNIC Region origin ASes present in the Internet Routing Table: 1473
LACNIC Prefixes per ASN: 22.06
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 272
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 253
Number of LACNIC addresses announced to Internet: 85702656
Equivalent to 5 /8s, 27 /16s and 184 /24s
Percentage of available LACNIC address space announced: 56.8

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes: 8217
Total AfriNIC prefixes after maximum aggregation: 1963
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 6492
Unique aggregates announced from the AfriNIC address blocks: 1972
AfriNIC Region origin ASes present in the Internet Routing Table: 466
AfriNIC Prefixes per ASN: 13.93
AfriNIC Region origin ASes announcing only one prefix: 145
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 24304128
Equivalent to 1 /8s, 114 /16s and 218 /24s
Percentage of available AfriNIC address space announced: 36.2

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
4766 2460 9500 928 Korea Telecom (KIX)
17974 1835 461 42 PT TELEKOMUNIKASI INDONESIA
7545 1543 301 85 TPG Internet Pty Ltd
4755 1476 627 162 TATA Communications formerly
24560 1153 336 187 Bharti Airtel Ltd., Telemedia
9829 1098 914 45 BSNL National Internet Backbo
9583 1056 78 506 Sify Limited
4808 1050 2091 298 CNCGROUP IP network: China169
17488 960 186 103 Hathway IP Over Cable Interne
18101 932 116 139 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3619 3819 245 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1802 681 122 PaeTec Communications, Inc.
4323 1660 1082 399 Time Warner Telecom
20115 1589 1532 635 Charter Communications
19262 1450 4806 370 Verizon Global Networks
7018 1361 7053 887 AT&T WorldNet Services
22773 1347 2897 87 Cox Communications, Inc.
6478 1338 248 613 AT&T Worldnet Services
7029 1285 790 298 Windstream Communications Inc

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

ASN No of nets /20 equiv MaxAgg Description
34984 535 106 185 BILISIM TELEKOM
6830 513 1780 318 UPC Distribution Services
3292 469 2080 404 TDC Tele Danmark
20940 467 137 360 Akamai Technologies European
8866 451 134 26 Bulgarian Telecommunication C
29049 440 33 45 AzerSat LLC.
12479 438 593 7 Uni2 Autonomous System
3320 420 8151 367 Deutsche Telekom AG
8551 404 354 44 Bezeq International
702 396 1803 310 UUNET - Commercial IP service

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

ASN No of nets /20 equiv MaxAgg Description
10620 1541 282 157 TVCABLE BOGOTA
8151 1424 2742 356 UniNet S.A. de C.V.
28573 1271 996 80 NET Servicos de Comunicao S.A
7303 1000 507 175 Telecom Argentina Stet-France
6503 747 354 74 AVANTEL, S.A.
14420 685 55 81 CORPORACION NACIONAL DE TELEC
22047 576 322 17 VTR PUNTO NET S.A.
3816 535 232 92 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 505 53 53 Telconet S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

ASN No of nets /20 equiv MaxAgg Description
8452 792 445 11 TEDATA
24863 789 147 37 LINKdotNET AS number
15475 524 74 8 Nile Online
36992 315 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
24835 211 78 10 RAYA Telecom - Egypt
33776 210 12 8 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system
16637 149 441 86 MTN Network Solutions

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

ASN No of nets /20 equiv MaxAgg Description
6389 3619 3819 245 bellsouth.net, inc.
23456 2774 692 1512 32-bit ASN transition
4766 2460 9500 928 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
17974 1835 461 42 PT TELEKOMUNIKASI INDONESIA
1785 1802 681 122 PaeTec Communications, Inc.
4323 1660 1082 399 Time Warner Telecom
20115 1589 1532 635 Charter Communications
7545 1543 301 85 TPG Internet Pty Ltd
10620 1541 282 157 TVCABLE BOGOTA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

ASN No of nets Net Savings Description
17974 1835 1793 PT TELEKOMUNIKASI INDONESIA
1785 1802 1680 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2460 1532 Korea Telecom (KIX)
7545 1543 1458 TPG Internet Pty Ltd
10620 1541 1384 TVCABLE BOGOTA
4755 1476 1314 TATA Communications formerly
23456 2774 1262 32-bit ASN transition
4323 1660 1261 Time Warner Telecom
22773 1347 1260 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network Origin AS Description
24.225.128.0/18 36377 Comcast Telecommunications, I
24.225.192.0/23 36377 Comcast Telecommunications, I
24.225.192.0/18 36377 Comcast Telecommunications, I
24.225.224.0/21 36377 Comcast Telecommunications, I
24.225.237.0/24 36377 Comcast Telecommunications, I
24.225.248.0/21 36377 Comcast Telecommunications, I
27.0.128.0/17 7514 Media Exchange, Inc.
31.135.216.0/21 51388 UAB Marsatas
41.190.32.0/23 31856 CABSAS
41.190.34.0/23 31856 CABSAS

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:22 /9:12 /10:28 /11:81 /12:231
/13:461 /14:801 /15:1396 /16:11983 /17:5875 /18:9808
/19:19455 /20:25864 /21:26151 /22:34633 /23:33577 /24:188712
/25:1089 /26:1268 /27:740 /28:200 /29:9 /30:2
/31:0 /32:6

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

ASN No of nets Total ann. Description
6389 2227 3619 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1436 1541 TVCABLE BOGOTA
23456 1369 2774 32-bit ASN transition
6478 1309 1338 AT&T Worldnet Services
11492 1090 1136 Cable One
7011 1055 1156 Citizens Utilities
1785 1052 1802 PaeTec Communications, Inc.
7029 1032 1285 Windstream Communications Inc
22773 862 1347 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

1:319 2:47 4:16 5:1 6:3 8:337
12:1976 13:1 14:472 15:15 16:3 17:8
20:10 23:13 24:1657 27:788 31:488 32:64
33:4 34:2 36:4 37:1 38:741 39:3
40:103 41:2550 42:23 44:3 46:992 47:3
49:196 50:431 52:13 54:2 55:4 56:2
57:33 58:859 59:476 60:386 61:1173 62:1048
63:1936 64:3947 65:2293 66:3875 67:1900 68:1095
69:3026 70:758 71:389 72:1890 74:2380 75:313
76:341 77:885 78:712 79:461 80:1118 81:844
82:501 83:457 84:686 85:1080 86:552 87:759
88:334 89:1532 90:211 91:3917 92:537 93:1053
94:1319 95:853 96:446 97:254 98:890 99:36
101:77 103:100 106:10 107:19 108:71 109:1019
110:608 111:712 112:304 113:407 114:544 115:669
116:969 117:668 118:854 119:1155 120:308 121:669
122:1612 123:969 124:1298 125:1236 128:246 129:173
130:168 131:564 132:112 133:21 134:213 135:48
136:215 137:136 138:298 139:115 140:474 141:241
142:403 143:416 144:481 145:54 146:448 147:213
148:659 149:247 150:163 151:190 152:330 153:180
154:4 155:399 156:199 157:351 158:138 159:452
160:314 161:211 162:309 163:164 164:510 165:354
166:529 167:432 168:737 169:158 170:847 171:78
172:1 173:1635 174:615 175:377 176:141 177:134
178:990 180:878 181:21 182:485 183:219 184:313
185:1 186:1253 187:733 188:872 189:944 190:4928
192:5894 193:4972 194:3495 195:3027 196:1224 197:41
198:3564 199:3959 200:5519 201:1513 202:8394 203:8418
204:4222 205:2347 206:2678 207:2812 208:3962 209:3460
210:2693 211:1455 212:2103 213:1743 214:770 215:70
216:4929 217:1644 218:544 219:361 220:1204 221:492
222:361 223:180

End of report

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