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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 09 Jul, 2011

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

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

BGP routing table entries examined: 362786
Prefixes after maximum aggregation: 164929
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 180083
Total ASes present in the Internet Routing Table: 38135
Prefixes per ASN: 9.51
Origin-only ASes present in the Internet Routing Table: 31710
Origin ASes announcing only one prefix: 15248
Transit ASes present in the Internet Routing Table: 5186
Transit-only ASes present in the Internet Routing Table: 130
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: 925
Unregistered ASNs in the Routing Table: 512
Number of 32-bit ASNs allocated by the RIRs: 1533
Number of 32-bit ASNs visible in the Routing Table: 1239
Prefixes from 32-bit ASNs in the Routing Table: 2861
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2493493440
Equivalent to 148 /8s, 159 /16s and 176 /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: 151395

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

Prefixes being announced by APNIC Region ASes: 90104
Total APNIC prefixes after maximum aggregation: 30260
APNIC Deaggregation factor: 2.98
Prefixes being announced from the APNIC address blocks: 86847
Unique aggregates announced from the APNIC address blocks: 37076
APNIC Region origin ASes present in the Internet Routing Table: 4503
APNIC Prefixes per ASN: 19.29
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 713
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 56
Number of APNIC addresses announced to Internet: 621479200
Equivalent to 37 /8s, 11 /16s and 5 /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: 141428
Total ARIN prefixes after maximum aggregation: 72827
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113365
Unique aggregates announced from the ARIN address blocks: 46672
ARIN Region origin ASes present in the Internet Routing Table: 14469
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5532
ARIN Region transit ASes present in the Internet Routing Table: 1522
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: 819612544
Equivalent to 48 /8s, 218 /16s and 75 /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: 86545
Total RIPE prefixes after maximum aggregation: 49132
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79935
Unique aggregates announced from the RIPE address blocks: 52845
RIPE Region origin ASes present in the Internet Routing Table: 15797
RIPE Prefixes per ASN: 5.06
RIPE Region origin ASes announcing only one prefix: 7877
RIPE Region transit ASes present in the Internet Routing Table: 2504
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: 912
Number of RIPE addresses announced to Internet: 478890496
Equivalent to 28 /8s, 139 /16s and 74 /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: 33421
Total LACNIC prefixes after maximum aggregation: 7576
LACNIC Deaggregation factor: 4.41
Prefixes being announced from the LACNIC address blocks: 32551
Unique aggregates announced from the LACNIC address blocks: 16960
LACNIC Region origin ASes present in the Internet Routing Table: 1476
LACNIC Prefixes per ASN: 22.05
LACNIC Region origin ASes announcing only one prefix: 444
LACNIC Region transit ASes present in the Internet Routing Table: 273
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: 254
Number of LACNIC addresses announced to Internet: 85900288
Equivalent to 5 /8s, 30 /16s and 188 /24s
Percentage of available LACNIC address space announced: 56.9

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: 8211
Total AfriNIC prefixes after maximum aggregation: 1965
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 6500
Unique aggregates announced from the AfriNIC address blocks: 2004
AfriNIC Region origin ASes present in the Internet Routing Table: 470
AfriNIC Prefixes per ASN: 13.83
AfriNIC Region origin ASes announcing only one prefix: 147
AfriNIC Region transit ASes present in the Internet Routing Table: 102
Average AfriNIC Region AS path length visible: 4.9
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: 24334336
Equivalent to 1 /8s, 115 /16s and 80 /24s
Percentage of available AfriNIC address space announced: 36.3

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 11043 934 Korea Telecom (KIX)
17974 1787 461 41 PT TELEKOMUNIKASI INDONESIA
7545 1548 301 85 TPG Internet Pty Ltd
4755 1498 635 171 TATA Communications formerly
24560 1154 336 187 Bharti Airtel Ltd., Telemedia
9829 1101 922 46 BSNL National Internet Backbo
9583 1060 78 506 Sify Limited
4808 1047 2092 299 CNCGROUP IP network: China169
17488 964 186 105 Hathway IP Over Cable Interne
18101 931 116 140 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 3610 3819 244 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1806 681 122 PaeTec Communications, Inc.
4323 1656 1082 400 Time Warner Telecom
20115 1595 1533 634 Charter Communications
19262 1429 4778 392 Verizon Global Networks
7018 1366 7069 892 AT&T WorldNet Services
22773 1350 2897 88 Cox Communications, Inc.
6478 1346 251 618 AT&T Worldnet Services
7029 1287 791 301 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 536 106 184 BILISIM TELEKOM
6830 512 1780 317 UPC Distribution Services
3292 466 2076 401 TDC Tele Danmark
20940 459 132 354 Akamai Technologies European
12479 453 593 7 Uni2 Autonomous System
8866 447 133 25 Bulgarian Telecommunication C
29049 441 33 45 AzerSat LLC.
3320 421 8151 368 Deutsche Telekom AG
8551 404 354 44 Bezeq International
3301 397 1855 346 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 1543 282 158 TVCABLE BOGOTA
8151 1432 2746 353 UniNet S.A. de C.V.
28573 1268 995 78 NET Servicos de Comunicao S.A
7303 1004 512 177 Telecom Argentina Stet-France
6503 747 354 74 AVANTEL, S.A.
14420 688 55 83 CORPORACION NACIONAL DE TELEC
22047 576 322 17 VTR PUNTO NET S.A.
3816 532 230 96 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 508 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 797 445 11 TEDATA
24863 790 147 37 LINKdotNET AS number
15475 514 74 8 Nile Online
36992 315 415 14 Etisalat MISR
3741 260 937 222 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 211 78 10 RAYA Telecom - Egypt
29571 158 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 3610 3819 244 bellsouth.net, inc.
23456 2861 699 1535 32-bit ASN transition
4766 2436 11043 934 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
1785 1806 681 122 PaeTec Communications, Inc.
17974 1787 461 41 PT TELEKOMUNIKASI INDONESIA
4323 1656 1082 400 Time Warner Telecom
20115 1595 1533 634 Charter Communications
7545 1548 301 85 TPG Internet Pty Ltd
10620 1543 282 158 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 1787 1746 PT TELEKOMUNIKASI INDONESIA
1785 1806 1684 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2436 1502 Korea Telecom (KIX)
7545 1548 1463 TPG Internet Pty Ltd
10620 1543 1385 TVCABLE BOGOTA
4755 1498 1327 TATA Communications formerly
23456 2861 1326 32-bit ASN transition
22773 1350 1262 Cox Communications, Inc.
4323 1656 1256 Time Warner Telecom

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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:22 /9:12 /10:28 /11:81 /12:232
/13:468 /14:804 /15:1401 /16:11993 /17:5887 /18:9815
/19:19456 /20:25837 /21:26191 /22:34744 /23:33600 /24:188907
/25:1083 /26:1262 /27:735 /28:211 /29:9 /30:2
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2222 3610 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1438 1543 TVCABLE BOGOTA
23456 1406 2861 32-bit ASN transition
6478 1316 1346 AT&T Worldnet Services
11492 1096 1142 Cable One
7011 1054 1156 Citizens Utilities
1785 1053 1806 PaeTec Communications, Inc.
7029 1034 1287 Windstream Communications Inc
22773 864 1350 Cox Communications, Inc.

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

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

1:324 2:45 4:16 5:1 6:3 8:337
12:1976 13:1 14:481 15:15 16:3 17:5
20:10 23:13 24:1678 27:814 31:490 32:64
33:4 34:2 36:4 38:744 40:103 41:2564
42:32 44:3 46:1036 47:3 49:198 50:442
52:13 54:2 55:4 56:2 57:35 58:860
59:479 60:386 61:1180 62:1036 63:1935 64:3942
65:2294 66:3869 67:1897 68:1091 69:3040 70:758
71:389 72:1886 74:2389 75:316 76:341 77:888
78:712 79:461 80:1116 81:839 82:498 83:456
84:692 85:1073 86:554 87:759 88:335 89:1531
90:223 91:3946 92:533 93:1052 94:1334 95:855
96:446 97:256 98:891 99:37 101:77 103:115
106:10 107:21 108:70 109:1028 110:614 111:706
112:304 113:400 114:534 115:674 116:962 117:667
118:857 119:1161 120:312 121:675 122:1581 123:973
124:1304 125:1231 128:246 129:172 130:168 131:578
132:112 133:21 134:214 135:48 136:216 137:136
138:299 139:116 140:477 141:240 142:403 143:416
144:483 145:54 146:449 147:215 148:661 149:248
150:164 151:189 152:331 153:182 154:4 155:398
156:198 157:354 158:138 159:450 160:311 161:201
162:309 163:165 164:503 165:358 166:530 167:431
168:740 169:155 170:847 171:78 172:1 173:1642
174:610 175:379 176:141 177:163 178:988 180:880
181:23 182:488 183:204 184:342 185:1 186:1273
187:682 188:878 189:934 190:4949 192:5883 193:4968
194:3520 195:3032 196:1237 197:41 198:3573 199:3955
200:5534 201:1490 202:8396 203:8425 204:4215 205:2306
206:2677 207:2810 208:3965 209:3444 210:2681 211:1465
212:2097 213:1742 214:782 215:70 216:4937 217:1639
218:537 219:359 220:1189 221:492 222:357 223:185


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 16 Jul, 2011

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

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

BGP routing table entries examined: 363652
Prefixes after maximum aggregation: 165367
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 180640
Total ASes present in the Internet Routing Table: 38198
Prefixes per ASN: 9.52
Origin-only ASes present in the Internet Routing Table: 31741
Origin ASes announcing only one prefix: 15260
Transit ASes present in the Internet Routing Table: 5195
Transit-only ASes present in the Internet Routing Table: 132
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: 917
Unregistered ASNs in the Routing Table: 532
Number of 32-bit ASNs allocated by the RIRs: 1559
Number of 32-bit ASNs visible in the Routing Table: 1262
Prefixes from 32-bit ASNs in the Routing Table: 2910
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 122
Number of addresses announced to Internet: 2477764128
Equivalent to 147 /8s, 175 /16s and 174 /24s
Percentage of available address space announced: 66.8
Percentage of allocated address space announced: 66.9
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: 151592

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

Prefixes being announced by APNIC Region ASes: 90715
Total APNIC prefixes after maximum aggregation: 30300
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 87321
Unique aggregates announced from the APNIC address blocks: 37425
APNIC Region origin ASes present in the Internet Routing Table: 4519
APNIC Prefixes per ASN: 19.32
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 716
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: 61
Number of APNIC addresses announced to Internet: 622188352
Equivalent to 37 /8s, 21 /16s and 215 /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, 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: 141554
Total ARIN prefixes after maximum aggregation: 73093
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113475
Unique aggregates announced from the ARIN address blocks: 46690
ARIN Region origin ASes present in the Internet Routing Table: 14485
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5538
ARIN Region transit ASes present in the Internet Routing Table: 1526
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: 802399872
Equivalent to 47 /8s, 211 /16s and 166 /24s
Percentage of available ARIN address space announced: 63.8

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: 86584
Total RIPE prefixes after maximum aggregation: 49219
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79927
Unique aggregates announced from the RIPE address blocks: 52892
RIPE Region origin ASes present in the Internet Routing Table: 15802
RIPE Prefixes per ASN: 5.06
RIPE Region origin ASes announcing only one prefix: 7878
RIPE Region transit ASes present in the Internet Routing Table: 2504
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: 919
Number of RIPE addresses announced to Internet: 479486528
Equivalent to 28 /8s, 148 /16s and 98 /24s
Percentage of available RIPE address space announced: 77.2

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: 33534
Total LACNIC prefixes after maximum aggregation: 7585
LACNIC Deaggregation factor: 4.42
Prefixes being announced from the LACNIC address blocks: 32747
Unique aggregates announced from the LACNIC address blocks: 17050
LACNIC Region origin ASes present in the Internet Routing Table: 1481
LACNIC Prefixes per ASN: 22.11
LACNIC Region origin ASes announcing only one prefix: 445
LACNIC Region transit ASes present in the Internet Routing Table: 273
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: 265
Number of LACNIC addresses announced to Internet: 86070528
Equivalent to 5 /8s, 33 /16s and 85 /24s
Percentage of available LACNIC address space announced: 57.0

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: 8177
Total AfriNIC prefixes after maximum aggregation: 1965
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6491
Unique aggregates announced from the AfriNIC address blocks: 1992
AfriNIC Region origin ASes present in the Internet Routing Table: 468
AfriNIC Prefixes per ASN: 13.87
AfriNIC Region origin ASes announcing only one prefix: 146
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: 24338944
Equivalent to 1 /8s, 115 /16s and 98 /24s
Percentage of available AfriNIC address space announced: 36.3

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 2469 11044 937 Korea Telecom (KIX)
7545 1554 301 85 TPG Internet Pty Ltd
17974 1543 456 45 PT TELEKOMUNIKASI INDONESIA
4755 1505 635 170 TATA Communications formerly
7552 1283 1064 7 Vietel Corporation
24560 1155 336 187 Bharti Airtel Ltd., Telemedia
9829 1106 923 47 BSNL National Internet Backbo
9583 1064 78 504 Sify Limited
4808 1047 2092 299 CNCGROUP IP network: China169
17488 966 187 106 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 3599 3818 241 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1805 681 121 PaeTec Communications, Inc.
4323 1657 1082 400 Time Warner Telecom
20115 1594 1534 627 Charter Communications
19262 1410 4744 390 Verizon Global Networks
7018 1365 7069 892 AT&T WorldNet Services
22773 1351 2897 88 Cox Communications, Inc.
7029 1291 791 305 Windstream Communications Inc
2386 1260 520 907 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 535 106 184 BILISIM TELEKOM
6830 510 1780 315 UPC Distribution Services
3292 468 2078 403 TDC Tele Danmark
12479 458 593 7 Uni2 Autonomous System
20940 458 131 354 Akamai Technologies European
8866 449 133 25 Bulgarian Telecommunication C
29049 432 32 47 AzerSat LLC.
3320 423 8151 369 Deutsche Telekom AG
8551 404 354 44 Bezeq International
702 399 1803 312 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 1549 284 162 TVCABLE BOGOTA
8151 1437 2746 353 UniNet S.A. de C.V.
28573 1277 995 77 NET Servicos de Comunicao S.A
7303 986 511 165 Telecom Argentina Stet-France
6503 749 354 74 AVANTEL, S.A.
14420 690 55 84 CORPORACION NACIONAL DE TELEC
22047 578 322 17 VTR PUNTO NET S.A.
3816 533 230 97 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 508 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
24863 795 147 36 LINKdotNET AS number
8452 780 445 11 TEDATA
15475 513 74 8 Nile Online
36992 315 415 14 Etisalat MISR
3741 261 937 223 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 227 13 5 Starcomms Nigeria Limited
24835 175 78 10 RAYA Telecom - Egypt
29571 158 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 3599 3818 241 bellsouth.net, inc.
23456 2910 707 1559 32-bit ASN transition
4766 2469 11044 937 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
1785 1805 681 121 PaeTec Communications, Inc.
4323 1657 1082 400 Time Warner Telecom
20115 1594 1534 627 Charter Communications
7545 1554 301 85 TPG Internet Pty Ltd
10620 1549 284 162 TVCABLE BOGOTA
17974 1543 456 45 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
1785 1805 1684 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2469 1532 Korea Telecom (KIX)
17974 1543 1498 PT TELEKOMUNIKASI INDONESIA
7545 1554 1469 TPG Internet Pty Ltd
10620 1549 1387 TVCABLE BOGOTA
23456 2910 1351 32-bit ASN transition
4755 1505 1335 TATA Communications formerly
7552 1283 1276 Vietel Corporation
22773 1351 1263 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
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska Corporation

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 /10:26 /11:80 /12:232
/13:464 /14:795 /15:1396 /16:12005 /17:5876 /18:9821
/19:19496 /20:26056 /21:26209 /22:34865 /23:33683 /24:189377
/25:1057 /26:1247 /27:720 /28:198 /29:9 /30:2
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2216 3599 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1444 1549 TVCABLE BOGOTA
23456 1423 2910 32-bit ASN transition
11492 1097 1143 Cable One
7011 1056 1158 Citizens Utilities
6478 1055 1084 AT&T Worldnet Services
1785 1053 1805 PaeTec Communications, Inc.
7029 1038 1291 Windstream Communications Inc
22773 865 1351 Cox Communications, Inc.

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

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

1:328 2:44 4:16 5:1 6:3 8:338
12:1967 13:1 14:488 15:15 16:3 17:5
20:10 23:14 24:1679 27:824 31:502 32:64
33:4 34:2 36:4 38:745 40:104 41:2562
42:32 44:3 46:1037 47:3 49:201 50:471
52:13 54:2 55:4 56:2 57:35 58:863
59:479 60:386 61:1123 62:1033 63:1932 64:3954
65:2300 66:3889 67:1872 68:1103 69:3044 70:756
71:389 72:1888 74:2386 75:318 76:341 77:887
78:710 79:457 80:1116 81:840 82:499 83:454
84:691 85:1063 86:523 87:764 88:336 89:1534
90:224 91:3959 92:522 93:1050 94:1337 95:858
96:414 97:260 98:891 99:37 101:77 103:143
106:10 107:22 108:70 109:1022 110:607 111:712
112:305 113:406 114:552 115:686 116:978 117:689
118:832 119:1164 120:313 121:677 122:1608 123:979
124:1300 125:1277 128:245 129:171 130:169 131:575
132:111 133:21 134:213 135:48 136:216 137:137
138:297 139:116 140:482 141:244 142:403 143:416
144:483 145:55 146:452 147:211 148:680 149:248
150:160 151:189 152:342 153:182 154:4 155:397
156:198 157:323 158:138 159:454 160:311 161:202
162:309 163:164 164:499 165:366 166:529 167:433
168:734 169:153 170:847 171:78 172:1 173:1619
174:609 175:375 176:142 177:171 178:1005 180:898
181:23 182:492 183:231 184:344 185:1 186:1284
187:732 188:895 189:939 190:4979 192:5900 193:4975
194:3527 195:3029 196:1238 197:43 198:3581 199:3975
200:5561 201:1492 202:8416 203:8428 204:4235 205:2327
206:2668 207:2811 208:3969 209:3447 210:2693 211:1451
212:2100 213:1737 214:778 215:69 216:4936 217:1633
218:543 219:351 220:1231 221:496 222:337 223:218


End of report

_____
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NANOG@nanog.org
https://mailman.nanog.org/mailman/listinfo/nanog
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 23 Jul, 2011

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

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

BGP routing table entries examined: 364842
Prefixes after maximum aggregation: 165720
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 180824
Total ASes present in the Internet Routing Table: 38262
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 31794
Origin ASes announcing only one prefix: 15298
Transit ASes present in the Internet Routing Table: 5199
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 938
Unregistered ASNs in the Routing Table: 547
Number of 32-bit ASNs allocated by the RIRs: 1585
Number of 32-bit ASNs visible in the Routing Table: 1269
Prefixes from 32-bit ASNs in the Routing Table: 2925
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2484169792
Equivalent to 148 /8s, 17 /16s and 108 /24s
Percentage of available address space announced: 67.0
Percentage of allocated address space announced: 67.0
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: 152116

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

Prefixes being announced by APNIC Region ASes: 91236
Total APNIC prefixes after maximum aggregation: 30391
APNIC Deaggregation factor: 3.00
Prefixes being announced from the APNIC address blocks: 87829
Unique aggregates announced from the APNIC address blocks: 37449
APNIC Region origin ASes present in the Internet Routing Table: 4523
APNIC Prefixes per ASN: 19.42
APNIC Region origin ASes announcing only one prefix: 1257
APNIC Region transit ASes present in the Internet Routing Table: 715
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 62
Number of APNIC addresses announced to Internet: 622384672
Equivalent to 37 /8s, 24 /16s and 214 /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, 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: 141810
Total ARIN prefixes after maximum aggregation: 73186
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113679
Unique aggregates announced from the ARIN address blocks: 46646
ARIN Region origin ASes present in the Internet Routing Table: 14515
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5568
ARIN Region transit ASes present in the Internet Routing Table: 1533
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 802761344
Equivalent to 47 /8s, 217 /16s and 42 /24s
Percentage of available ARIN address space announced: 63.8

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: 86532
Total RIPE prefixes after maximum aggregation: 49288
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 79915
Unique aggregates announced from the RIPE address blocks: 52946
RIPE Region origin ASes present in the Internet Routing Table: 15807
RIPE Prefixes per ASN: 5.06
RIPE Region origin ASes announcing only one prefix: 7879
RIPE Region transit ASes present in the Internet Routing Table: 2501
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: 920
Number of RIPE addresses announced to Internet: 483952000
Equivalent to 28 /8s, 216 /16s and 133 /24s
Percentage of available RIPE address space announced: 78.0

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: 33807
Total LACNIC prefixes after maximum aggregation: 7644
LACNIC Deaggregation factor: 4.42
Prefixes being announced from the LACNIC address blocks: 32925
Unique aggregates announced from the LACNIC address blocks: 17088
LACNIC Region origin ASes present in the Internet Routing Table: 1487
LACNIC Prefixes per ASN: 22.14
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 275
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: 270
Number of LACNIC addresses announced to Internet: 86429952
Equivalent to 5 /8s, 38 /16s and 209 /24s
Percentage of available LACNIC address space announced: 57.2

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: 8356
Total AfriNIC prefixes after maximum aggregation: 1975
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 6537
Unique aggregates announced from the AfriNIC address blocks: 1997
AfriNIC Region origin ASes present in the Internet Routing Table: 475
AfriNIC Prefixes per ASN: 13.76
AfriNIC Region origin ASes announcing only one prefix: 152
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: 24441856
Equivalent to 1 /8s, 116 /16s and 244 /24s
Percentage of available AfriNIC address space announced: 36.4

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 2470 11044 938 Korea Telecom (KIX)
17974 1794 508 32 PT TELEKOMUNIKASI INDONESIA
7545 1555 301 85 TPG Internet Pty Ltd
4755 1507 635 171 TATA Communications formerly
7552 1298 1064 7 Vietel Corporation
24560 1156 336 187 Bharti Airtel Ltd., Telemedia
9829 1108 923 47 BSNL National Internet Backbo
9583 1079 81 520 Sify Limited
4808 1051 2092 299 CNCGROUP IP network: China169
17488 967 187 107 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 3616 3818 238 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1811 681 122 PaeTec Communications, Inc.
4323 1615 1082 401 Time Warner Telecom
20115 1590 1538 623 Charter Communications
19262 1411 4760 391 Verizon Global Networks
7018 1364 7069 891 AT&T WorldNet Services
22773 1353 2897 89 Cox Communications, Inc.
7029 1293 791 304 Windstream Communications Inc
2386 1258 520 907 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 534 106 185 BILISIM TELEKOM
6830 512 1788 316 UPC Distribution Services
3292 468 2078 403 TDC Tele Danmark
20940 459 132 354 Akamai Technologies European
12479 455 593 7 Uni2 Autonomous System
8866 453 133 26 Bulgarian Telecommunication C
29049 432 32 47 AzerSat LLC.
3320 424 8151 370 Deutsche Telekom AG
8551 403 354 44 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 1559 287 163 TVCABLE BOGOTA
8151 1420 2746 351 UniNet S.A. de C.V.
28573 1277 995 78 NET Servicos de Comunicao S.A
7303 1009 513 178 Telecom Argentina Stet-France
6503 750 354 74 AVANTEL, S.A.
14420 700 56 85 CORPORACION NACIONAL DE TELEC
22047 578 322 17 VTR PUNTO NET S.A.
3816 532 232 97 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 509 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 817 445 11 TEDATA
24863 794 147 42 LINKdotNET AS number
15475 512 74 8 Nile Online
36992 315 415 15 Etisalat MISR
24835 304 78 10 RAYA Telecom - Egypt
3741 265 937 226 The Internet Solution
6713 241 215 13 Itissalat Al-MAGHRIB
33776 226 13 5 Starcomms Nigeria Limited
15706 158 32 6 Sudatel Internet Exchange Aut
29571 158 17 11 Ci Telecom Autonomous system

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 3616 3818 238 bellsouth.net, inc.
23456 2925 710 1575 32-bit ASN transition
4766 2470 11044 938 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
1785 1811 681 122 PaeTec Communications, Inc.
17974 1794 508 32 PT TELEKOMUNIKASI INDONESIA
4323 1615 1082 401 Time Warner Telecom
20115 1590 1538 623 Charter Communications
10620 1559 287 163 TVCABLE BOGOTA
7545 1555 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 1794 1762 PT TELEKOMUNIKASI INDONESIA
1785 1811 1689 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2470 1532 Korea Telecom (KIX)
7545 1555 1470 TPG Internet Pty Ltd
10620 1559 1396 TVCABLE BOGOTA
23456 2925 1350 32-bit ASN transition
4755 1507 1336 TATA Communications formerly
7552 1298 1291 Vietel Corporation
22773 1353 1264 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /10:27 /11:80 /12:232
/13:465 /14:798 /15:1400 /16:12040 /17:5888 /18:9829
/19:19533 /20:26166 /21:26261 /22:34965 /23:33886 /24:189915
/25:1093 /26:1269 /27:739 /28:207 /29:9 /30:2
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2236 3616 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1454 1559 TVCABLE BOGOTA
23456 1446 2925 32-bit ASN transition
11492 1096 1142 Cable One
7011 1056 1158 Citizens Utilities
1785 1054 1811 PaeTec Communications, Inc.
7029 1040 1293 Windstream Communications Inc
6478 997 1025 AT&T Worldnet Services
22773 868 1353 Cox Communications, Inc.

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

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

1:331 2:45 4:16 5:1 6:3 8:340
12:1965 13:1 14:490 15:15 16:3 17:5
20:10 23:14 24:1680 27:842 31:504 32:64
33:4 34:2 36:4 38:730 40:104 41:2603
42:35 44:3 46:1043 47:3 49:198 50:383
52:13 54:2 55:7 56:2 57:35 58:860
59:481 60:385 61:1181 62:1033 63:1932 64:3990
65:2299 66:3882 67:1886 68:1109 69:3060 70:778
71:373 72:1865 74:2431 75:333 76:341 77:881
78:704 79:463 80:1114 81:839 82:497 83:465
84:691 85:1057 86:519 87:764 88:333 89:1533
90:224 91:3957 92:526 93:1054 94:1338 95:859
96:419 97:263 98:891 99:37 101:77 103:140
106:73 107:24 108:73 109:1022 110:612 111:714
112:305 113:413 114:555 115:683 116:984 117:690
118:863 119:1174 120:315 121:676 122:1607 123:976
124:1304 125:1279 128:246 129:171 130:169 131:578
132:113 133:21 134:214 135:52 136:215 137:138
138:300 139:116 140:477 141:253 142:403 143:414
144:478 145:54 146:454 147:216 148:672 149:249
150:159 151:189 152:338 153:182 154:5 155:397
156:199 157:351 158:140 159:455 160:315 161:203
162:310 163:166 164:506 165:367 166:531 167:433
168:740 169:153 170:849 171:80 172:1 173:1619
174:628 175:384 176:143 177:170 178:1005 180:907
181:23 182:508 183:234 184:345 185:1 186:1308
187:776 188:896 189:946 190:5000 192:5913 193:4972
194:3517 195:3018 196:1291 197:42 198:3573 199:3977
200:5573 201:1473 202:8416 203:8448 204:4229 205:2331
206:2669 207:2808 208:3989 209:3434 210:2680 211:1452
212:2087 213:1743 214:769 215:70 216:4951 217:1650
218:545 219:348 220:1201 221:495 222:360 223:220


End of report

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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 30 Jul, 2011

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

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

BGP routing table entries examined: 365335
Prefixes after maximum aggregation: 165793
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 181250
Total ASes present in the Internet Routing Table: 38300
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 31802
Origin ASes announcing only one prefix: 15306
Transit ASes present in the Internet Routing Table: 5217
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 1005
Unregistered ASNs in the Routing Table: 569
Number of 32-bit ASNs allocated by the RIRs: 1603
Number of 32-bit ASNs visible in the Routing Table: 1281
Prefixes from 32-bit ASNs in the Routing Table: 2966
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2488168960
Equivalent to 148 /8s, 78 /16s and 114 /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: 91.2
Total number of prefixes smaller than registry allocations: 152319

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

Prefixes being announced by APNIC Region ASes: 91501
Total APNIC prefixes after maximum aggregation: 30401
APNIC Deaggregation factor: 3.01
Prefixes being announced from the APNIC address blocks: 88083
Unique aggregates announced from the APNIC address blocks: 37486
APNIC Region origin ASes present in the Internet Routing Table: 4521
APNIC Prefixes per ASN: 19.48
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 713
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 66
Number of APNIC addresses announced to Internet: 622567776
Equivalent to 37 /8s, 27 /16s and 161 /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: 141849
Total ARIN prefixes after maximum aggregation: 73135
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113666
Unique aggregates announced from the ARIN address blocks: 46757
ARIN Region origin ASes present in the Internet Routing Table: 14520
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5565
ARIN Region transit ASes present in the Internet Routing Table: 1537
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803106176
Equivalent to 47 /8s, 222 /16s and 109 /24s
Percentage of available ARIN address space announced: 63.8

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: 86823
Total RIPE prefixes after maximum aggregation: 49404
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 80166
Unique aggregates announced from the RIPE address blocks: 53029
RIPE Region origin ASes present in the Internet Routing Table: 15823
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 7899
RIPE Region transit ASes present in the Internet Routing Table: 2509
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: 924
Number of RIPE addresses announced to Internet: 484366720
Equivalent to 28 /8s, 222 /16s and 217 /24s
Percentage of available RIPE address space announced: 78.0

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: 33819
Total LACNIC prefixes after maximum aggregation: 7619
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 33043
Unique aggregates announced from the LACNIC address blocks: 17222
LACNIC Region origin ASes present in the Internet Routing Table: 1492
LACNIC Prefixes per ASN: 22.15
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 275
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: 275
Number of LACNIC addresses announced to Internet: 87208704
Equivalent to 5 /8s, 50 /16s and 179 /24s
Percentage of available LACNIC address space announced: 57.8

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: 8186
Total AfriNIC prefixes after maximum aggregation: 1976
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6472
Unique aggregates announced from the AfriNIC address blocks: 2027
AfriNIC Region origin ASes present in the Internet Routing Table: 476
AfriNIC Prefixes per ASN: 13.60
AfriNIC Region origin ASes announcing only one prefix: 149
AfriNIC Region transit ASes present in the Internet Routing Table: 106
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: 26891520
Equivalent to 1 /8s, 154 /16s and 85 /24s
Percentage of available AfriNIC address space announced: 40.1

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 2478 11045 945 Korea Telecom (KIX)
17974 1747 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1558 301 85 TPG Internet Pty Ltd
4755 1513 635 172 TATA Communications formerly
7552 1314 1064 7 Vietel Corporation
24560 1194 336 187 Bharti Airtel Ltd., Telemedia
9829 1115 929 42 BSNL National Internet Backbo
9583 1061 78 499 Sify Limited
4808 1052 2093 299 CNCGROUP IP network: China169
17488 977 189 114 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 3620 3818 237 bellsouth.net, inc.
18566 1913 365 241 Covad Communications
1785 1812 681 121 PaeTec Communications, Inc.
4323 1615 1082 401 Time Warner Telecom
7029 1604 993 229 Windstream Communications Inc
20115 1591 1538 623 Charter Communications
19262 1413 4792 392 Verizon Global Networks
22773 1406 2900 90 Cox Communications, Inc.
7018 1362 7068 890 AT&T WorldNet Services
2386 1257 520 906 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 534 106 185 BILISIM TELEKOM
6830 512 1788 316 UPC Distribution Services
3292 468 2078 403 TDC Tele Danmark
20940 466 133 358 Akamai Technologies European
12479 456 593 7 Uni2 Autonomous System
8866 454 133 26 Bulgarian Telecommunication C
29049 431 31 49 AzerSat LLC.
3320 425 8151 371 Deutsche Telekom AG
8551 404 354 44 Bezeq International
3301 397 1855 346 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 1565 288 167 TVCABLE BOGOTA
8151 1421 2748 352 UniNet S.A. de C.V.
28573 1283 996 67 NET Servicos de Comunicao S.A
7303 1065 577 175 Telecom Argentina Stet-France
6503 749 450 68 AVANTEL, S.A.
14420 701 56 82 CORPORACION NACIONAL DE TELEC
22047 578 322 17 VTR PUNTO NET S.A.
3816 532 232 97 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
27947 510 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
24863 799 147 36 LINKdotNET AS number
8452 794 445 11 TEDATA
15475 510 74 8 Nile Online
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
36992 259 415 15 Etisalat MISR
33776 227 13 6 Starcomms Nigeria Limited
24835 177 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system
16637 146 665 84 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 3620 3818 237 bellsouth.net, inc.
23456 2966 713 1585 32-bit ASN transition
4766 2478 11045 945 Korea Telecom (KIX)
18566 1913 365 241 Covad Communications
1785 1812 681 121 PaeTec Communications, Inc.
17974 1747 516 31 PT TELEKOMUNIKASI INDONESIA
4323 1615 1082 401 Time Warner Telecom
7029 1604 993 229 Windstream Communications Inc
20115 1591 1538 623 Charter Communications
10620 1565 288 167 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 1747 1716 PT TELEKOMUNIKASI INDONESIA
1785 1812 1691 PaeTec Communications, Inc.
18566 1913 1672 Covad Communications
4766 2478 1533 Korea Telecom (KIX)
7545 1558 1473 TPG Internet Pty Ltd
10620 1565 1398 TVCABLE BOGOTA
23456 2966 1381 32-bit ASN transition
7029 1604 1375 Windstream Communications Inc
4755 1513 1341 TATA Communications formerly
22773 1406 1316 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /10:27 /11:80 /12:233
/13:465 /14:799 /15:1407 /16:12045 /17:5889 /18:9805
/19:19535 /20:26307 /21:26309 /22:35049 /23:33972 /24:190038
/25:1098 /26:1287 /27:738 /28:203 /29:9 /30:2
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2243 3620 bellsouth.net, inc.
18566 1869 1913 Covad Communications
23456 1463 2966 32-bit ASN transition
10620 1460 1565 TVCABLE BOGOTA
7029 1303 1604 Windstream Communications Inc
11492 1096 1142 Cable One
7011 1056 1158 Citizens Utilities
1785 1053 1812 PaeTec Communications, Inc.
6478 968 996 AT&T Worldnet Services
22773 905 1406 Cox Communications, Inc.

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

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

1:340 2:46 4:16 5:1 6:3 8:339
12:1957 13:1 14:498 15:15 16:3 17:5
20:10 23:18 24:1678 27:861 31:508 32:64
33:4 34:2 36:4 38:729 40:104 41:2560
42:36 44:3 46:1051 47:3 49:201 50:376
52:13 54:2 55:6 56:2 57:34 58:870
59:487 60:378 61:1178 62:1045 63:1938 64:3987
65:2295 66:3905 67:1887 68:1113 69:3057 70:779
71:373 72:1864 74:2436 75:328 76:341 77:864
78:706 79:468 80:1119 81:839 82:502 83:466
84:689 85:1064 86:517 87:763 88:333 89:1533
90:224 91:3980 92:528 93:1056 94:1334 95:864
96:420 97:264 98:912 99:37 101:82 103:162
106:78 107:26 108:73 109:1029 110:605 111:715
112:305 113:407 114:554 115:685 116:987 117:682
118:856 119:1176 120:314 121:678 122:1608 123:976
124:1312 125:1328 128:245 129:169 130:169 131:579
132:113 133:21 134:214 135:52 136:215 137:132
138:296 139:115 140:477 141:255 142:403 143:421
144:486 145:56 146:454 147:216 148:673 149:248
150:160 151:189 152:341 153:182 154:5 155:399
156:199 157:353 158:140 159:454 160:315 161:205
162:310 163:166 164:507 165:369 166:531 167:432
168:746 169:153 170:836 171:81 172:1 173:1617
174:610 175:390 176:147 177:184 178:994 180:911
181:26 182:513 183:234 184:342 185:1 186:1310
187:765 188:894 189:967 190:5031 192:5916 193:4980
194:3507 195:3061 196:1199 197:46 198:3582 199:3993
200:5508 201:1479 202:8397 203:8455 204:4240 205:2317
206:2663 207:2800 208:3992 209:3410 210:2679 211:1454
212:2089 213:1782 214:792 215:69 216:4900 217:1632
218:548 219:342 220:1226 221:494 222:358 223:235


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 06 Aug, 2011

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

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

BGP routing table entries examined: 366101
Prefixes after maximum aggregation: 165963
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 181822
Total ASes present in the Internet Routing Table: 38388
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 31868
Origin ASes announcing only one prefix: 15337
Transit ASes present in the Internet Routing Table: 5220
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 1040
Unregistered ASNs in the Routing Table: 593
Number of 32-bit ASNs allocated by the RIRs: 1620
Number of 32-bit ASNs visible in the Routing Table: 1300
Prefixes from 32-bit ASNs in the Routing Table: 3022
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2489833856
Equivalent to 148 /8s, 103 /16s and 217 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 152918

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

Prefixes being announced by APNIC Region ASes: 91398
Total APNIC prefixes after maximum aggregation: 30293
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 87871
Unique aggregates announced from the APNIC address blocks: 37679
APNIC Region origin ASes present in the Internet Routing Table: 4531
APNIC Prefixes per ASN: 19.39
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 715
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: 69
Number of APNIC addresses announced to Internet: 623300640
Equivalent to 37 /8s, 38 /16s and 208 /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: 141963
Total ARIN prefixes after maximum aggregation: 73199
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 113809
Unique aggregates announced from the ARIN address blocks: 46854
ARIN Region origin ASes present in the Internet Routing Table: 14537
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5583
ARIN Region transit ASes present in the Internet Routing Table: 1538
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803328640
Equivalent to 47 /8s, 225 /16s and 210 /24s
Percentage of available ARIN address space announced: 63.8

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: 87286
Total RIPE prefixes after maximum aggregation: 49562
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 80544
Unique aggregates announced from the RIPE address blocks: 53233
RIPE Region origin ASes present in the Internet Routing Table: 15857
RIPE Prefixes per ASN: 5.08
RIPE Region origin ASes announcing only one prefix: 7913
RIPE Region transit ASes present in the Internet Routing Table: 2508
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: 934
Number of RIPE addresses announced to Internet: 484720448
Equivalent to 28 /8s, 228 /16s and 63 /24s
Percentage of available RIPE address space announced: 78.1

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: 33995
Total LACNIC prefixes after maximum aggregation: 7596
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 33197
Unique aggregates announced from the LACNIC address blocks: 17229
LACNIC Region origin ASes present in the Internet Routing Table: 1490
LACNIC Prefixes per ASN: 22.28
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 280
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 281
Number of LACNIC addresses announced to Internet: 87399680
Equivalent to 5 /8s, 53 /16s and 157 /24s
Percentage of available LACNIC address space announced: 57.9

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: 8269
Total AfriNIC prefixes after maximum aggregation: 1986
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 6558
Unique aggregates announced from the AfriNIC address blocks: 2029
AfriNIC Region origin ASes present in the Internet Routing Table: 483
AfriNIC Prefixes per ASN: 13.58
AfriNIC Region origin ASes announcing only one prefix: 155
AfriNIC Region transit ASes present in the Internet Routing Table: 105
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: 26905344
Equivalent to 1 /8s, 154 /16s and 139 /24s
Percentage of available AfriNIC address space announced: 40.1

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 2491 11045 947 Korea Telecom (KIX)
17974 1784 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1560 301 85 TPG Internet Pty Ltd
4755 1522 635 170 TATA Communications formerly
24560 1196 336 187 Bharti Airtel Ltd., Telemedia
9829 1114 929 42 BSNL National Internet Backbo
9583 1070 78 491 Sify Limited
4808 1056 2097 300 CNCGROUP IP network: China169
7552 999 1062 11 Vietel Corporation
17488 980 188 123 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 3586 3817 231 bellsouth.net, inc.
18566 1913 365 240 Covad Communications
1785 1814 681 121 PaeTec Communications, Inc.
4323 1616 1082 400 Time Warner Telecom
7029 1605 993 230 Windstream Communications Inc
20115 1591 1538 623 Charter Communications
19262 1413 4792 392 Verizon Global Networks
22773 1405 2900 90 Cox Communications, Inc.
7018 1359 7052 888 AT&T WorldNet Services
2386 1253 520 903 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 534 106 185 BILISIM TELEKOM
6830 511 1788 316 UPC Distribution Services
3292 470 2080 405 TDC Tele Danmark
20940 470 134 363 Akamai Technologies European
12479 455 593 7 Uni2 Autonomous System
8866 454 133 26 Bulgarian Telecommunication C
29049 434 32 52 AzerSat LLC.
3320 424 8151 370 Deutsche Telekom AG
8551 404 354 44 Bezeq International
3301 397 1855 346 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 1565 289 163 TVCABLE BOGOTA
8151 1424 2766 352 UniNet S.A. de C.V.
28573 1278 996 67 NET Servicos de Comunicao S.A
7303 1067 578 175 Telecom Argentina Stet-France
6503 767 450 78 AVANTEL, S.A.
14420 703 56 84 CORPORACION NACIONAL DE TELEC
22047 578 322 17 VTR PUNTO NET S.A.
3816 531 232 97 Empresa Nacional de Telecomun
7738 516 986 31 Telecomunicacoes da Bahia S.A
11172 513 85 90 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
24863 803 147 42 LINKdotNET AS number
8452 799 445 11 TEDATA
15475 512 74 8 Nile Online
36992 306 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 260 519 14 Itissalat Al-MAGHRIB
15706 230 32 6 Sudatel Internet Exchange Aut
33776 229 13 8 Starcomms Nigeria Limited
24835 176 78 10 RAYA Telecom - Egypt
29571 158 17 11 Ci Telecom Autonomous system

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 3586 3817 231 bellsouth.net, inc.
23456 3022 728 1620 32-bit ASN transition
4766 2491 11045 947 Korea Telecom (KIX)
18566 1913 365 240 Covad Communications
1785 1814 681 121 PaeTec Communications, Inc.
17974 1784 516 31 PT TELEKOMUNIKASI INDONESIA
4323 1616 1082 400 Time Warner Telecom
7029 1605 993 230 Windstream Communications Inc
20115 1591 1538 623 Charter Communications
10620 1565 289 163 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 1784 1753 PT TELEKOMUNIKASI INDONESIA
1785 1814 1693 PaeTec Communications, Inc.
18566 1913 1673 Covad Communications
4766 2491 1544 Korea Telecom (KIX)
7545 1560 1475 TPG Internet Pty Ltd
23456 3022 1402 32-bit ASN transition
10620 1565 1402 TVCABLE BOGOTA
7029 1605 1375 Windstream Communications Inc
4755 1522 1352 TATA Communications formerly
22773 1405 1315 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
31.192.96.0/21 44611 RIPE Network Coordination Cen
31.209.136.0/21 51896 Hestaleit ehf
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>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 /8:20 /9:12 /10:27 /11:80 /12:233
/13:465 /14:800 /15:1410 /16:12052 /17:5906 /18:9911
/19:19523 /20:26343 /21:26393 /22:34986 /23:34062 /24:190548
/25:1096 /26:1285 /27:731 /28:201 /29:9 /30:2
/31:0 /32:6

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

ASN No of nets Total ann. Description
6389 2214 3586 bellsouth.net, inc.
18566 1869 1913 Covad Communications
23456 1485 3022 32-bit ASN transition
10620 1460 1565 TVCABLE BOGOTA
7029 1304 1605 Windstream Communications Inc
11492 1096 1142 Cable One
7011 1058 1160 Citizens Utilities
1785 1053 1814 PaeTec Communications, Inc.
6478 932 960 AT&T Worldnet Services
22773 904 1405 Cox Communications, Inc.

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

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

1:348 2:46 4:15 5:1 6:3 8:339
12:1960 13:1 14:502 15:15 16:3 17:5
20:10 23:19 24:1677 27:863 31:517 32:64
33:4 34:2 36:4 38:727 40:106 41:2573
42:37 44:3 46:1071 47:3 49:202 50:384
52:13 54:2 55:4 56:2 57:35 58:865
59:492 60:378 61:1171 62:1056 63:1931 64:3996
65:2298 66:3908 67:1887 68:1099 69:3034 70:774
71:373 72:1866 74:2427 75:329 76:339 77:861
78:705 79:475 80:1124 81:839 82:504 83:465
84:683 85:1066 86:517 87:836 88:334 89:1537
90:224 91:4001 92:525 93:1121 94:1332 95:868
96:420 97:264 98:920 99:37 101:85 103:186
106:79 107:30 108:71 109:1040 110:613 111:722
112:307 113:406 114:559 115:676 116:993 117:668
118:864 119:1182 120:210 121:680 122:1613 123:991
124:1372 125:1289 128:246 129:171 130:171 131:575
132:102 133:21 134:214 135:52 136:215 137:138
138:296 139:115 140:483 141:270 142:380 143:422
144:488 145:57 146:455 147:213 148:682 149:252
150:156 151:190 152:347 153:182 154:5 155:400
156:199 157:355 158:139 159:457 160:319 161:206
162:310 163:163 164:513 165:366 166:532 167:432
168:738 169:153 170:841 171:81 172:1 173:1627
174:619 175:393 176:147 177:195 178:1014 180:917
181:26 182:508 183:237 184:361 185:1 186:1348
187:751 188:913 189:972 190:5086 192:5923 193:4980
194:3511 195:3063 196:1199 197:112 198:3590 199:4015
200:5529 201:1476 202:8426 203:8462 204:4253 205:2317
206:2670 207:2803 208:3994 209:3408 210:2710 211:1410
212:2088 213:1754 214:800 215:70 216:4896 217:1629
218:530 219:348 220:1203 221:485 222:360 223:239


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 13 Aug, 2011

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

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

BGP routing table entries examined: 367521
Prefixes after maximum aggregation: 166524
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 182354
Total ASes present in the Internet Routing Table: 38471
Prefixes per ASN: 9.55
Origin-only ASes present in the Internet Routing Table: 31933
Origin ASes announcing only one prefix: 15342
Transit ASes present in the Internet Routing Table: 5219
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 1079
Unregistered ASNs in the Routing Table: 608
Number of 32-bit ASNs allocated by the RIRs: 1645
Number of 32-bit ASNs visible in the Routing Table: 1319
Prefixes from 32-bit ASNs in the Routing Table: 3044
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2493117120
Equivalent to 148 /8s, 153 /16s and 242 /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: 91.2
Total number of prefixes smaller than registry allocations: 153387

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

Prefixes being announced by APNIC Region ASes: 92175
Total APNIC prefixes after maximum aggregation: 30502
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 88686
Unique aggregates announced from the APNIC address blocks: 37759
APNIC Region origin ASes present in the Internet Routing Table: 4529
APNIC Prefixes per ASN: 19.58
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 709
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: 70
Number of APNIC addresses announced to Internet: 623788832
Equivalent to 37 /8s, 46 /16s and 67 /24s
Percentage of available APNIC address space announced: 79.1

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 142332
Total ARIN prefixes after maximum aggregation: 73328
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 114147
Unique aggregates announced from the ARIN address blocks: 47051
ARIN Region origin ASes present in the Internet Routing Table: 14570
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5592
ARIN Region transit ASes present in the Internet Routing Table: 1541
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803404032
Equivalent to 47 /8s, 226 /16s and 249 /24s
Percentage of available ARIN address space announced: 63.8

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: 87382
Total RIPE prefixes after maximum aggregation: 49660
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 80613
Unique aggregates announced from the RIPE address blocks: 53297
RIPE Region origin ASes present in the Internet Routing Table: 15880
RIPE Prefixes per ASN: 5.08
RIPE Region origin ASes announcing only one prefix: 7911
RIPE Region transit ASes present in the Internet Routing Table: 2513
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: 947
Number of RIPE addresses announced to Internet: 487087104
Equivalent to 29 /8s, 8 /16s and 92 /24s
Percentage of available RIPE address space announced: 78.5

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: 34092
Total LACNIC prefixes after maximum aggregation: 7643
LACNIC Deaggregation factor: 4.46
Prefixes being announced from the LACNIC address blocks: 33264
Unique aggregates announced from the LACNIC address blocks: 17324
LACNIC Region origin ASes present in the Internet Routing Table: 1499
LACNIC Prefixes per ASN: 22.19
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 275
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 286
Number of LACNIC addresses announced to Internet: 87493120
Equivalent to 5 /8s, 55 /16s and 10 /24s
Percentage of available LACNIC address space announced: 57.9

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: 8326
Total AfriNIC prefixes after maximum aggregation: 2031
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6466
Unique aggregates announced from the AfriNIC address blocks: 2050
AfriNIC Region origin ASes present in the Internet Routing Table: 484
AfriNIC Prefixes per ASN: 13.36
AfriNIC Region origin ASes announcing only one prefix: 155
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 26906880
Equivalent to 1 /8s, 154 /16s and 145 /24s
Percentage of available AfriNIC address space announced: 40.1

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 2485 11044 946 Korea Telecom (KIX)
17974 1802 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1569 301 85 TPG Internet Pty Ltd
4755 1535 635 170 TATA Communications formerly
7552 1408 1064 7 Vietel Corporation
24560 1198 336 187 Bharti Airtel Ltd., Telemedia
9829 1128 963 42 BSNL National Internet Backbo
9583 1070 78 490 Sify Limited
4808 1065 2098 306 CNCGROUP IP network: China169
17488 990 187 123 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 3589 3817 228 bellsouth.net, inc.
18566 1913 365 240 Covad Communications
1785 1817 681 124 PaeTec Communications, Inc.
4323 1616 1086 401 Time Warner Telecom
7029 1612 993 230 Windstream Communications Inc
20115 1591 1538 623 Charter Communications
22773 1409 2903 93 Cox Communications, Inc.
19262 1405 4778 395 Verizon Global Networks
7018 1364 7053 893 AT&T WorldNet Services
2386 1248 519 898 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 538 107 185 BILISIM TELEKOM
6830 511 1788 316 UPC Distribution Services
3292 470 2080 405 TDC Tele Danmark
20940 470 134 363 Akamai Technologies European
8866 454 133 26 Bulgarian Telecommunication C
12479 453 593 7 Uni2 Autonomous System
3320 425 8151 371 Deutsche Telekom AG
29049 417 31 55 AzerSat LLC.
8551 404 354 44 Bezeq International
3301 397 1855 346 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 1574 290 165 TVCABLE BOGOTA
8151 1434 2755 355 UniNet S.A. de C.V.
28573 1265 996 67 NET Servicos de Comunicao S.A
7303 1069 578 177 Telecom Argentina Stet-France
6503 742 450 76 AVANTEL, S.A.
14420 705 56 85 CORPORACION NACIONAL DE TELEC
22047 578 322 17 VTR PUNTO NET S.A.
3816 530 232 96 Empresa Nacional de Telecomun
27947 516 53 54 Telconet S.A
7738 515 986 31 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
24863 806 147 43 LINKdotNET AS number
8452 653 445 11 TEDATA
15475 512 74 8 Nile Online
36992 305 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 261 519 14 Itissalat Al-MAGHRIB
15706 236 32 6 Sudatel Internet Exchange Aut
33776 229 13 8 Starcomms Nigeria Limited
12258 193 28 64 Vodacom Internet Company
24835 179 78 10 RAYA Telecom - Egypt

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 3589 3817 228 bellsouth.net, inc.
23456 3044 732 1637 32-bit ASN transition
4766 2485 11044 946 Korea Telecom (KIX)
18566 1913 365 240 Covad Communications
1785 1817 681 124 PaeTec Communications, Inc.
17974 1802 516 31 PT TELEKOMUNIKASI INDONESIA
4323 1616 1086 401 Time Warner Telecom
7029 1612 993 230 Windstream Communications Inc
20115 1591 1538 623 Charter Communications
10620 1574 290 165 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 1802 1771 PT TELEKOMUNIKASI INDONESIA
1785 1817 1693 PaeTec Communications, Inc.
18566 1913 1673 Covad Communications
4766 2485 1539 Korea Telecom (KIX)
7545 1569 1484 TPG Internet Pty Ltd
10620 1574 1409 TVCABLE BOGOTA
23456 3044 1407 32-bit ASN transition
7552 1408 1401 Vietel Corporation
7029 1612 1382 Windstream Communications Inc
4755 1535 1365 TATA Communications formerly

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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /10:27 /11:81 /12:233
/13:465 /14:800 /15:1414 /16:12057 /17:5905 /18:9924
/19:19543 /20:26516 /21:26492 /22:35349 /23:34180 /24:191159
/25:1096 /26:1298 /27:735 /28:206 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2220 3589 bellsouth.net, inc.
18566 1869 1913 Covad Communications
23456 1488 3044 32-bit ASN transition
10620 1469 1574 TVCABLE BOGOTA
7029 1308 1612 Windstream Communications Inc
11492 1100 1146 Cable One
7011 1056 1158 Citizens Utilities
1785 1052 1817 PaeTec Communications, Inc.
22773 905 1409 Cox Communications, Inc.
30036 896 918 Mediacom Communications Corp

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

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

1:354 2:46 4:15 5:1 6:3 8:342
12:1960 13:1 14:508 15:15 16:3 17:5
20:10 23:19 24:1686 27:872 31:513 32:64
33:4 34:2 36:4 38:729 40:108 41:2486
42:43 44:3 46:1070 47:3 49:219 50:393
52:13 54:2 55:6 56:2 57:35 58:869
59:500 60:379 61:1186 62:1065 63:1932 64:4005
65:2300 66:3918 67:1914 68:1109 69:3085 70:779
71:373 72:1868 74:2432 75:329 76:342 77:863
78:708 79:470 80:1132 81:828 82:487 83:465
84:685 85:1076 86:523 87:836 88:335 89:1533
90:224 91:4035 92:526 93:1118 94:1332 95:867
96:418 97:266 98:919 99:37 101:79 103:188
106:79 107:31 108:73 109:1017 110:619 111:731
112:308 113:407 114:560 115:694 116:992 117:679
118:870 119:1184 120:315 121:689 122:1611 123:980
124:1372 125:1326 128:246 129:174 130:171 131:578
132:116 133:21 134:213 135:52 136:210 137:140
138:296 139:116 140:488 141:273 142:380 143:419
144:489 145:58 146:459 147:215 148:695 149:252
150:163 151:190 152:440 153:182 154:5 155:400
156:199 157:331 158:138 159:458 160:317 161:208
162:309 163:164 164:515 165:366 166:533 167:432
168:748 169:153 170:847 171:81 172:1 173:1645
174:623 175:393 176:163 177:209 178:1005 180:927
181:26 182:512 183:241 184:365 185:1 186:1363
187:737 188:908 189:926 190:5094 192:5915 193:4974
194:3510 195:3052 196:1207 197:121 198:3591 199:4026
200:5537 201:1481 202:8428 203:8479 204:4261 205:2313
206:2677 207:2791 208:4015 209:3413 210:2687 211:1459
212:2085 213:1758 214:776 215:70 216:4887 217:1616
218:555 219:354 220:1229 221:513 222:355 223:234


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 20 Aug, 2011

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

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

BGP routing table entries examined: 368024
Prefixes after maximum aggregation: 166632
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 182554
Total ASes present in the Internet Routing Table: 38538
Prefixes per ASN: 9.55
Origin-only ASes present in the Internet Routing Table: 31989
Origin ASes announcing only one prefix: 15372
Transit ASes present in the Internet Routing Table: 5224
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 1107
Unregistered ASNs in the Routing Table: 630
Number of 32-bit ASNs allocated by the RIRs: 1659
Number of 32-bit ASNs visible in the Routing Table: 1325
Prefixes from 32-bit ASNs in the Routing Table: 3080
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 112
Number of addresses announced to Internet: 2469201344
Equivalent to 147 /8s, 45 /16s and 5 /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: 91.2
Total number of prefixes smaller than registry allocations: 153512

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

Prefixes being announced by APNIC Region ASes: 92411
Total APNIC prefixes after maximum aggregation: 30460
APNIC Deaggregation factor: 3.03
Prefixes being announced from the APNIC address blocks: 88936
Unique aggregates announced from the APNIC address blocks: 37698
APNIC Region origin ASes present in the Internet Routing Table: 4537
APNIC Prefixes per ASN: 19.60
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 716
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: 73
Number of APNIC addresses announced to Internet: 624234272
Equivalent to 37 /8s, 53 /16s and 15 /24s
Percentage of available APNIC address space announced: 79.2

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 142440
Total ARIN prefixes after maximum aggregation: 73359
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 114314
Unique aggregates announced from the ARIN address blocks: 47154
ARIN Region origin ASes present in the Internet Routing Table: 14593
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5613
ARIN Region transit ASes present in the Internet Routing Table: 1545
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803789568
Equivalent to 47 /8s, 232 /16s and 219 /24s
Percentage of available ARIN address space announced: 63.9

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: 87511
Total RIPE prefixes after maximum aggregation: 49738
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 80704
Unique aggregates announced from the RIPE address blocks: 53464
RIPE Region origin ASes present in the Internet Routing Table: 15904
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 7918
RIPE Region transit ASes present in the Internet Routing Table: 2507
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: 949
Number of RIPE addresses announced to Internet: 487724544
Equivalent to 29 /8s, 18 /16s and 22 /24s
Percentage of available RIPE address space announced: 78.6

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: 34083
Total LACNIC prefixes after maximum aggregation: 7645
LACNIC Deaggregation factor: 4.46
Prefixes being announced from the LACNIC address blocks: 33332
Unique aggregates announced from the LACNIC address blocks: 17319
LACNIC Region origin ASes present in the Internet Routing Table: 1503
LACNIC Prefixes per ASN: 22.18
LACNIC Region origin ASes announcing only one prefix: 444
LACNIC Region transit ASes present in the Internet Routing Table: 276
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: 287
Number of LACNIC addresses announced to Internet: 87644928
Equivalent to 5 /8s, 57 /16s and 91 /24s
Percentage of available LACNIC address space announced: 58.0

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: 8326
Total AfriNIC prefixes after maximum aggregation: 2041
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6423
Unique aggregates announced from the AfriNIC address blocks: 2088
AfriNIC Region origin ASes present in the Internet Routing Table: 483
AfriNIC Prefixes per ASN: 13.30
AfriNIC Region origin ASes announcing only one prefix: 152
AfriNIC Region transit ASes present in the Internet Routing Table: 106
Average AfriNIC Region AS path length visible: 5.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 26893056
Equivalent to 1 /8s, 154 /16s and 91 /24s
Percentage of available AfriNIC address space announced: 40.1

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 2498 11046 950 Korea Telecom (KIX)
17974 1821 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1576 301 83 TPG Internet Pty Ltd
4755 1534 635 169 TATA Communications formerly
7552 1412 1064 7 Vietel Corporation
24560 1199 336 187 Bharti Airtel Ltd., Telemedia
9829 1153 989 28 BSNL National Internet Backbo
9583 1076 79 496 Sify Limited
4808 1067 2098 306 CNCGROUP IP network: China169
17488 1002 188 139 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 3585 3817 227 bellsouth.net, inc.
18566 1912 364 240 Covad Communications
1785 1819 680 123 PaeTec Communications, Inc.
4323 1618 1086 401 Time Warner Telecom
20115 1586 1537 630 Charter Communications
7029 1576 991 229 Windstream Communications Inc
22773 1434 2903 97 Cox Communications, Inc.
19262 1406 4778 396 Verizon Global Networks
7018 1351 7050 882 AT&T WorldNet Services
2386 1230 516 892 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 541 107 183 BILISIM TELEKOM
6830 512 1788 317 UPC Distribution Services
20940 475 135 368 Akamai Technologies European
3292 469 2080 404 TDC Tele Danmark
8866 458 133 26 Bulgarian Telecommunication C
12479 456 593 7 Uni2 Autonomous System
3320 425 8151 371 Deutsche Telekom AG
29049 424 31 55 AzerSat LLC.
8551 404 354 44 Bezeq International
3301 398 1855 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 1591 294 163 TVCABLE BOGOTA
8151 1401 2770 354 UniNet S.A. de C.V.
28573 1266 996 67 NET Servicos de Comunicao S.A
7303 1064 578 176 Telecom Argentina Stet-France
6503 743 450 75 AVANTEL, S.A.
14420 705 56 85 CORPORACION NACIONAL DE TELEC
22047 578 322 17 VTR PUNTO NET S.A.
3816 532 232 96 Empresa Nacional de Telecomun
27947 518 53 54 Telconet S.A
7738 515 986 31 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
24863 808 145 59 LINKdotNET AS number
8452 639 445 11 TEDATA
15475 512 74 8 Nile Online
36992 302 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 244 519 14 Itissalat Al-MAGHRIB
33776 226 13 8 Starcomms Nigeria Limited
15706 219 32 6 Sudatel Internet Exchange Aut
12258 194 28 61 Vodacom Internet Company
24835 179 78 10 RAYA Telecom - Egypt

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 3585 3817 227 bellsouth.net, inc.
23456 3080 733 1651 32-bit ASN transition
4766 2498 11046 950 Korea Telecom (KIX)
18566 1912 364 240 Covad Communications
17974 1821 516 31 PT TELEKOMUNIKASI INDONESIA
1785 1819 680 123 PaeTec Communications, Inc.
4323 1618 1086 401 Time Warner Telecom
10620 1591 294 163 TVCABLE BOGOTA
20115 1586 1537 630 Charter Communications
7029 1576 991 229 Windstream Communications Inc

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 1821 1790 PT TELEKOMUNIKASI INDONESIA
1785 1819 1696 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications
4766 2498 1548 Korea Telecom (KIX)
7545 1576 1493 TPG Internet Pty Ltd
23456 3080 1429 32-bit ASN transition
10620 1591 1428 TVCABLE BOGOTA
7552 1412 1405 Vietel Corporation
4755 1534 1365 TATA Communications formerly
7029 1576 1347 Windstream 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:233
/13:460 /14:796 /15:1418 /16:11935 /17:5924 /18:9961
/19:19532 /20:26588 /21:26596 /22:35566 /23:34251 /24:191318
/25:1098 /26:1303 /27:739 /28:158 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2217 3585 bellsouth.net, inc.
18566 1868 1912 Covad Communications
23456 1507 3080 32-bit ASN transition
10620 1486 1591 TVCABLE BOGOTA
7029 1277 1576 Windstream Communications Inc
11492 1102 1148 Cable One
7011 1058 1161 Citizens Utilities
1785 1052 1819 PaeTec Communications, Inc.
22773 930 1434 Cox Communications, Inc.
30036 911 935 Mediacom Communications Corp

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

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

1:358 2:46 4:15 5:1 6:3 8:343
12:1954 13:1 14:505 15:15 16:3 17:5
20:10 23:27 24:1683 27:875 31:517 32:64
33:4 34:2 36:4 38:733 40:107 41:2458
42:45 44:3 46:1059 47:3 49:219 50:409
52:13 54:2 55:9 56:2 57:35 58:864
59:499 60:376 61:1179 62:1084 63:1928 64:3996
65:2300 66:3930 67:1916 68:1112 69:3085 70:779
71:372 72:1845 74:2437 75:329 76:339 77:861
78:710 79:479 80:1129 81:831 82:492 83:476
84:686 85:1078 86:499 87:839 88:335 89:1537
90:224 91:4037 92:526 93:1133 94:1339 95:872
96:419 97:267 98:924 99:37 101:78 103:212
106:69 107:32 108:74 109:1009 110:627 111:731
112:305 113:412 114:558 115:696 116:997 117:675
118:877 119:1225 120:314 121:689 122:1615 123:984
124:1317 125:1319 128:246 129:176 130:169 131:580
132:116 133:21 134:213 135:51 136:216 137:137
138:296 139:116 140:488 141:277 142:382 143:439
144:484 145:58 146:462 147:216 148:645 149:252
150:201 151:190 152:441 153:185 154:5 155:401
156:200 157:330 158:133 159:458 160:319 161:207
162:328 163:163 164:516 165:367 166:533 167:433
168:747 169:153 170:844 171:81 172:1 173:1652
174:613 175:393 176:153 177:229 178:957 180:936
181:26 182:528 183:242 184:364 185:1 186:1365
187:743 188:933 189:929 190:5131 192:5921 193:4984
194:3511 195:3038 196:1230 197:126 198:3591 199:4039
200:5517 201:1490 202:8410 203:8483 204:4248 205:2339
206:2672 207:2808 208:3998 209:3416 210:2706 211:1461
212:2085 213:1766 214:782 215:70 216:4865 217:1607
218:553 219:354 220:1220 221:515 222:354 223:241


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 27 Aug, 2011

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

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

BGP routing table entries examined: 368931
Prefixes after maximum aggregation: 167074
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 182937
Total ASes present in the Internet Routing Table: 38620
Prefixes per ASN: 9.55
Origin-only ASes present in the Internet Routing Table: 32036
Origin ASes announcing only one prefix: 15383
Transit ASes present in the Internet Routing Table: 5228
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 34
Max AS path prepend of ASN (22394) 31
Prefixes from unregistered ASNs in the Routing Table: 1164
Unregistered ASNs in the Routing Table: 661
Number of 32-bit ASNs allocated by the RIRs: 1679
Number of 32-bit ASNs visible in the Routing Table: 1356
Prefixes from 32-bit ASNs in the Routing Table: 3121
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 110
Number of addresses announced to Internet: 2471627360
Equivalent to 147 /8s, 82 /16s and 10 /24s
Percentage of available address space announced: 66.7
Percentage of allocated address space announced: 66.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 153708

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

Prefixes being announced by APNIC Region ASes: 92897
Total APNIC prefixes after maximum aggregation: 30576
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 89398
Unique aggregates announced from the APNIC address blocks: 37839
APNIC Region origin ASes present in the Internet Routing Table: 4549
APNIC Prefixes per ASN: 19.65
APNIC Region origin ASes announcing only one prefix: 1254
APNIC Region transit ASes present in the Internet Routing Table: 714
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: 75
Number of APNIC addresses announced to Internet: 625593632
Equivalent to 37 /8s, 73 /16s and 205 /24s
Percentage of available APNIC address space announced: 79.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 142685
Total ARIN prefixes after maximum aggregation: 73434
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 114619
Unique aggregates announced from the ARIN address blocks: 47132
ARIN Region origin ASes present in the Internet Routing Table: 14615
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5614
ARIN Region transit ASes present in the Internet Routing Table: 1545
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803940128
Equivalent to 47 /8s, 235 /16s and 39 /24s
Percentage of available ARIN address space announced: 63.9

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: 87756
Total RIPE prefixes after maximum aggregation: 49836
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 80901
Unique aggregates announced from the RIPE address blocks: 53610
RIPE Region origin ASes present in the Internet Routing Table: 15920
RIPE Prefixes per ASN: 5.08
RIPE Region origin ASes announcing only one prefix: 7922
RIPE Region transit ASes present in the Internet Routing Table: 2510
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: 967
Number of RIPE addresses announced to Internet: 488260864
Equivalent to 29 /8s, 26 /16s and 69 /24s
Percentage of available RIPE address space announced: 78.7

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: 34135
Total LACNIC prefixes after maximum aggregation: 7718
LACNIC Deaggregation factor: 4.42
Prefixes being announced from the LACNIC address blocks: 33388
Unique aggregates announced from the LACNIC address blocks: 17451
LACNIC Region origin ASes present in the Internet Routing Table: 1507
LACNIC Prefixes per ASN: 22.16
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 278
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 298
Number of LACNIC addresses announced to Internet: 87851136
Equivalent to 5 /8s, 60 /16s and 128 /24s
Percentage of available LACNIC address space announced: 58.2

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: 8161
Total AfriNIC prefixes after maximum aggregation: 2047
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 6264
Unique aggregates announced from the AfriNIC address blocks: 2070
AfriNIC Region origin ASes present in the Internet Routing Table: 479
AfriNIC Prefixes per ASN: 13.08
AfriNIC Region origin ASes announcing only one prefix: 150
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 26705664
Equivalent to 1 /8s, 151 /16s and 127 /24s
Percentage of available AfriNIC address space announced: 39.8

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 2506 11047 952 Korea Telecom (KIX)
17974 1995 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1575 301 84 TPG Internet Pty Ltd
4755 1537 635 168 TATA Communications formerly
7552 1416 1064 7 Vietel Corporation
24560 1198 336 189 Bharti Airtel Ltd., Telemedia
9829 1153 989 28 BSNL National Internet Backbo
9583 1076 79 496 Sify Limited
4808 1059 2094 305 CNCGROUP IP network: China169
17488 1020 192 147 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 3580 3817 226 bellsouth.net, inc.
18566 1912 364 240 Covad Communications
1785 1821 680 122 PaeTec Communications, Inc.
4323 1613 1085 395 Time Warner Telecom
20115 1588 1538 632 Charter Communications
7029 1580 995 230 Windstream Communications Inc
22773 1442 2903 97 Cox Communications, Inc.
19262 1405 4778 395 Verizon Global Networks
7018 1349 7051 881 AT&T WorldNet Services
2386 1225 515 885 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 541 107 182 BILISIM TELEKOM
6830 522 1810 321 UPC Distribution Services
20940 490 146 381 Akamai Technologies European
3292 469 2080 404 TDC Tele Danmark
8866 458 133 26 Bulgarian Telecommunication C
12479 457 593 7 Uni2 Autonomous System
3320 425 8151 371 Deutsche Telekom AG
29049 424 31 55 AzerSat LLC.
8551 404 354 44 Bezeq International
3301 399 1855 348 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 1622 297 155 TVCABLE BOGOTA
8151 1407 2792 350 UniNet S.A. de C.V.
28573 1271 996 67 NET Servicos de Comunicao S.A
7303 1059 578 173 Telecom Argentina Stet-France
14420 711 56 87 CORPORACION NACIONAL DE TELEC
6503 591 450 68 AVANTEL, S.A.
22047 578 322 17 VTR PUNTO NET S.A.
27947 559 55 82 Telconet S.A
7738 515 986 31 Telecomunicacoes da Bahia S.A
11172 509 85 89 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
24863 808 145 59 LINKdotNET AS number
8452 530 445 11 TEDATA
15475 512 74 8 Nile Online
36992 300 415 14 Etisalat MISR
3741 265 937 226 The Internet Solution
6713 229 503 17 Itissalat Al-MAGHRIB
15706 219 32 6 Sudatel Internet Exchange Aut
33776 196 12 22 Starcomms Nigeria Limited
12258 194 28 61 Vodacom Internet Company
24835 176 70 11 RAYA Telecom - Egypt

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 3580 3817 226 bellsouth.net, inc.
23456 3121 743 1687 32-bit ASN transition
4766 2506 11047 952 Korea Telecom (KIX)
17974 1995 516 31 PT TELEKOMUNIKASI INDONESIA
18566 1912 364 240 Covad Communications
1785 1821 680 122 PaeTec Communications, Inc.
10620 1622 297 155 TVCABLE BOGOTA
4323 1613 1085 395 Time Warner Telecom
20115 1588 1538 632 Charter Communications
7029 1580 995 230 Windstream Communications Inc

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 1995 1964 PT TELEKOMUNIKASI INDONESIA
1785 1821 1699 PaeTec Communications, Inc.
18566 1912 1672 Covad Communications
4766 2506 1554 Korea Telecom (KIX)
7545 1575 1491 TPG Internet Pty Ltd
10620 1622 1467 TVCABLE BOGOTA
23456 3121 1434 32-bit ASN transition
7552 1416 1409 Vietel Corporation
4755 1537 1369 TATA Communications formerly
7029 1580 1350 Windstream 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:233
/13:461 /14:796 /15:1413 /16:11945 /17:5943 /18:9960
/19:19583 /20:26662 /21:26700 /22:35757 /23:34404 /24:191586
/25:1115 /26:1320 /27:746 /28:159 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2213 3580 bellsouth.net, inc.
18566 1868 1912 Covad Communications
23456 1532 3121 32-bit ASN transition
10620 1517 1622 TVCABLE BOGOTA
7029 1280 1580 Windstream Communications Inc
11492 1108 1154 Cable One
7011 1061 1186 Citizens Utilities
1785 1053 1821 PaeTec Communications, Inc.
22773 936 1442 Cox Communications, Inc.
30036 925 953 Mediacom Communications Corp

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

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

1:361 2:43 4:15 5:1 6:3 8:344
12:1959 13:1 14:521 15:13 16:3 17:5
20:10 23:31 24:1677 27:913 31:514 32:64
33:4 34:2 36:4 38:734 40:107 41:2367
42:50 44:3 46:1076 47:3 49:217 50:416
52:13 54:2 55:6 56:2 57:35 58:860
59:500 60:376 61:1170 62:1088 63:1931 64:4004
65:2306 66:3920 67:1924 68:1101 69:3125 70:779
71:373 72:1842 74:2439 75:330 76:339 77:865
78:708 79:472 80:1118 81:828 82:495 83:473
84:683 85:1078 86:494 87:849 88:337 89:1537
90:224 91:4054 92:525 93:1136 94:1347 95:878
96:418 97:267 98:927 99:37 101:79 103:240
106:79 107:37 108:75 109:1013 110:636 111:734
112:315 113:415 114:555 115:702 116:995 117:682
118:882 119:1197 120:331 121:688 122:1616 123:988
124:1319 125:1328 128:245 129:178 130:166 131:579
132:119 133:21 134:213 135:54 136:213 137:136
138:293 139:116 140:488 141:281 142:387 143:420
144:487 145:61 146:460 147:245 148:638 149:251
150:155 151:190 152:441 153:179 154:5 155:401
156:202 157:351 158:140 159:457 160:318 161:207
162:334 163:166 164:514 165:366 166:537 167:434
168:745 169:151 170:848 171:82 172:1 173:1647
174:628 175:395 176:155 177:241 178:1009 180:1004
181:25 182:600 183:242 184:339 185:1 186:1386
187:690 188:936 189:873 190:5123 192:5921 193:4985
194:3506 195:3045 196:1236 197:143 198:3580 199:4070
200:5502 201:1515 202:8402 203:8471 204:4254 205:2333
206:2668 207:2825 208:4008 209:3434 210:2705 211:1456
212:2083 213:1761 214:778 215:76 216:4831 217:1610
218:551 219:352 220:1220 221:514 222:352 223:248


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 03 Sep, 2011

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

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

BGP routing table entries examined: 370062
Prefixes after maximum aggregation: 167213
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 183305
Total ASes present in the Internet Routing Table: 38662
Prefixes per ASN: 9.57
Origin-only ASes present in the Internet Routing Table: 32065
Origin ASes announcing only one prefix: 15405
Transit ASes present in the Internet Routing Table: 5220
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 (22394) 33
Prefixes from unregistered ASNs in the Routing Table: 1179
Unregistered ASNs in the Routing Table: 675
Number of 32-bit ASNs allocated by the RIRs: 1700
Number of 32-bit ASNs visible in the Routing Table: 1377
Prefixes from 32-bit ASNs in the Routing Table: 3177
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 110
Number of addresses announced to Internet: 2472185408
Equivalent to 147 /8s, 90 /16s and 142 /24s
Percentage of available address space announced: 66.7
Percentage of allocated address space announced: 66.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 154267

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

Prefixes being announced by APNIC Region ASes: 93241
Total APNIC prefixes after maximum aggregation: 30588
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 89767
Unique aggregates announced from the APNIC address blocks: 38038
APNIC Region origin ASes present in the Internet Routing Table: 4545
APNIC Prefixes per ASN: 19.75
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 709
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: 79
Number of APNIC addresses announced to Internet: 625813024
Equivalent to 37 /8s, 77 /16s and 38 /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,
58368-59391, 131072-132095, 132096-133119
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: 142899
Total ARIN prefixes after maximum aggregation: 73449
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 114823
Unique aggregates announced from the ARIN address blocks: 47244
ARIN Region origin ASes present in the Internet Routing Table: 14626
ARIN Prefixes per ASN: 7.85
ARIN Region origin ASes announcing only one prefix: 5626
ARIN Region transit ASes present in the Internet Routing Table: 1551
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804272128
Equivalent to 47 /8s, 240 /16s and 56 /24s
Percentage of available ARIN address space announced: 63.9

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: 87977
Total RIPE prefixes after maximum aggregation: 49929
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 81096
Unique aggregates announced from the RIPE address blocks: 53651
RIPE Region origin ASes present in the Internet Routing Table: 15930
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 7931
RIPE Region transit ASes present in the Internet Routing Table: 2507
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: 981
Number of RIPE addresses announced to Internet: 488374784
Equivalent to 29 /8s, 28 /16s and 2 /24s
Percentage of available RIPE address space announced: 78.7

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: 34284
Total LACNIC prefixes after maximum aggregation: 7721
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 33570
Unique aggregates announced from the LACNIC address blocks: 17498
LACNIC Region origin ASes present in the Internet Routing Table: 1514
LACNIC Prefixes per ASN: 22.17
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 279
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 301
Number of LACNIC addresses announced to Internet: 87749504
Equivalent to 5 /8s, 58 /16s and 243 /24s
Percentage of available LACNIC address space announced: 58.1

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: 8317
Total AfriNIC prefixes after maximum aggregation: 2022
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6417
Unique aggregates announced from the AfriNIC address blocks: 2012
AfriNIC Region origin ASes present in the Internet Routing Table: 483
AfriNIC Prefixes per ASN: 13.29
AfriNIC Region origin ASes announcing only one prefix: 153
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 26801152
Equivalent to 1 /8s, 152 /16s and 244 /24s
Percentage of available AfriNIC address space announced: 39.9

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 2508 11047 954 Korea Telecom (KIX)
17974 1949 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1577 301 83 TPG Internet Pty Ltd
4755 1538 635 169 TATA Communications formerly
24560 1195 337 187 Bharti Airtel Ltd., Telemedia
9829 1151 989 28 BSNL National Internet Backbo
4808 1073 2092 305 CNCGROUP IP network: China169
9583 1073 79 503 Sify Limited
17488 1031 192 150 Hathway IP Over Cable Interne
7552 991 1062 11 Vietel Corporation

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 3564 3817 227 bellsouth.net, inc.
18566 1913 365 238 Covad Communications
1785 1822 680 122 PaeTec Communications, Inc.
4323 1624 1085 396 Time Warner Telecom
20115 1590 1540 633 Charter Communications
7029 1581 995 230 Windstream Communications Inc
22773 1452 2906 99 Cox Communications, Inc.
19262 1393 4716 399 Verizon Global Networks
7018 1341 7051 877 AT&T WorldNet Services
2386 1222 515 880 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 541 107 182 BILISIM TELEKOM
6830 523 1811 321 UPC Distribution Services
20940 490 148 383 Akamai Technologies European
3292 470 2079 404 TDC Tele Danmark
12479 466 593 7 Uni2 Autonomous System
8866 459 133 26 Bulgarian Telecommunication C
3320 430 8152 374 Deutsche Telekom AG
29049 424 31 55 AzerSat LLC.
8402 404 352 13 Corbina telecom
8551 404 354 44 Bezeq International

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 1628 298 154 TVCABLE BOGOTA
8151 1405 2775 351 UniNet S.A. de C.V.
28573 1283 1003 71 NET Servicos de Comunicao S.A
7303 1058 578 170 Telecom Argentina Stet-France
14420 715 57 88 CORPORACION NACIONAL DE TELEC
6503 591 450 68 AVANTEL, S.A.
22047 579 322 17 VTR PUNTO NET S.A.
27947 561 55 82 Telconet S.A
3816 531 232 96 Empresa Nacional de Telecomun
7738 515 986 31 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
24863 809 147 43 LINKdotNET AS number
8452 625 445 11 TEDATA
15475 512 74 8 Nile Online
36992 302 415 14 Etisalat MISR
3741 266 937 227 The Internet Solution
6713 242 519 14 Itissalat Al-MAGHRIB
15706 219 32 6 Sudatel Internet Exchange Aut
33776 207 13 14 Starcomms Nigeria Limited
12258 194 28 61 Vodacom Internet Company
24835 181 70 12 RAYA Telecom - Egypt

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 3564 3817 227 bellsouth.net, inc.
23456 3177 752 1709 32-bit ASN transition
4766 2508 11047 954 Korea Telecom (KIX)
17974 1949 516 31 PT TELEKOMUNIKASI INDONESIA
18566 1913 365 238 Covad Communications
1785 1822 680 122 PaeTec Communications, Inc.
10620 1628 298 154 TVCABLE BOGOTA
4323 1624 1085 396 Time Warner Telecom
20115 1590 1540 633 Charter Communications
7029 1581 995 230 Windstream Communications Inc

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 1949 1918 PT TELEKOMUNIKASI INDONESIA
1785 1822 1700 PaeTec Communications, Inc.
18566 1913 1675 Covad Communications
4766 2508 1554 Korea Telecom (KIX)
7545 1577 1494 TPG Internet Pty Ltd
10620 1628 1474 TVCABLE BOGOTA
23456 3177 1468 32-bit ASN transition
4755 1538 1369 TATA Communications formerly
22773 1452 1353 Cox Communications, Inc.
7029 1581 1351 Windstream 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
46.18.104.0/21 23456 32-bit ASN transition
50.115.0.0/20 40431 Travail Systems, 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 /9:12 /10:27 /11:81 /12:233
/13:461 /14:796 /15:1410 /16:11946 /17:5944 /18:9965
/19:19636 /20:26661 /21:26765 /22:35839 /23:34555 /24:192384
/25:1117 /26:1301 /27:736 /28:165 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2200 3564 bellsouth.net, inc.
18566 1868 1913 Covad Communications
23456 1553 3177 32-bit ASN transition
10620 1523 1628 TVCABLE BOGOTA
7029 1280 1581 Windstream Communications Inc
11492 1107 1153 Cable One
7011 1057 1182 Citizens Utilities
1785 1053 1822 PaeTec Communications, Inc.
22773 942 1452 Cox Communications, Inc.
30036 928 956 Mediacom Communications Corp

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

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

1:363 2:51 4:15 5:1 6:3 8:348
12:1950 13:1 14:529 15:13 16:3 17:5
20:10 23:31 24:1678 27:931 31:518 32:64
33:3 34:2 36:4 38:734 40:107 41:2413
42:40 44:3 46:1076 47:3 49:229 50:413
52:13 54:2 55:3 56:2 57:35 58:873
59:491 60:376 61:1172 62:1095 63:1940 64:4007
65:2307 66:3927 67:1931 68:1111 69:3129 70:781
71:375 72:1857 74:2422 75:328 76:339 77:862
78:705 79:452 80:1120 81:840 82:493 83:494
84:683 85:1083 86:497 87:860 88:338 89:1532
90:231 91:4054 92:524 93:1139 94:1382 95:879
96:416 97:271 98:924 99:37 101:203 103:250
106:79 107:41 108:75 109:1012 110:662 111:748
112:309 113:429 114:565 115:704 116:997 117:681
118:884 119:1197 120:334 121:686 122:1618 123:1003
124:1343 125:1355 128:248 129:178 130:166 131:579
132:119 133:21 134:214 135:53 136:213 137:136
138:294 139:116 140:492 141:286 142:389 143:418
144:487 145:61 146:464 147:222 148:631 149:250
150:152 151:190 152:441 153:179 154:6 155:398
156:201 157:354 158:141 159:450 160:319 161:207
162:335 163:167 164:512 165:366 166:537 167:433
168:748 169:146 170:847 171:84 172:1 173:1646
174:615 175:399 176:156 177:244 178:1019 180:1013
181:25 182:609 183:243 184:351 185:1 186:1408
187:687 188:938 189:878 190:5153 192:5927 193:5001
194:3518 195:3050 196:1237 197:144 198:3585 199:4086
200:5440 201:1567 202:8525 203:8502 204:4241 205:2329
206:2675 207:2832 208:4034 209:3433 210:2712 211:1466
212:2084 213:1764 214:776 215:76 216:4854 217:1624
218:550 219:344 220:1195 221:515 222:353 223:261


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 10 Sep, 2011

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

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

BGP routing table entries examined: 370301
Prefixes after maximum aggregation: 167415
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 183735
Total ASes present in the Internet Routing Table: 38737
Prefixes per ASN: 9.56
Origin-only ASes present in the Internet Routing Table: 32130
Origin ASes announcing only one prefix: 15446
Transit ASes present in the Internet Routing Table: 5210
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN (22394) 33
Prefixes from unregistered ASNs in the Routing Table: 1208
Unregistered ASNs in the Routing Table: 697
Number of 32-bit ASNs allocated by the RIRs: 1711
Number of 32-bit ASNs visible in the Routing Table: 1397
Prefixes from 32-bit ASNs in the Routing Table: 3204
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 101
Number of addresses announced to Internet: 2475335424
Equivalent to 147 /8s, 138 /16s and 159 /24s
Percentage of available address space announced: 66.8
Percentage of allocated address space announced: 66.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.2
Total number of prefixes smaller than registry allocations: 154300

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

Prefixes being announced by APNIC Region ASes: 93207
Total APNIC prefixes after maximum aggregation: 30608
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 89751
Unique aggregates announced from the APNIC address blocks: 38014
APNIC Region origin ASes present in the Internet Routing Table: 4545
APNIC Prefixes per ASN: 19.75
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 709
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: 83
Number of APNIC addresses announced to Internet: 626012512
Equivalent to 37 /8s, 80 /16s and 49 /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,
58368-59391, 131072-132095, 132096-133119
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: 143092
Total ARIN prefixes after maximum aggregation: 73464
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 114937
Unique aggregates announced from the ARIN address blocks: 47325
ARIN Region origin ASes present in the Internet Routing Table: 14645
ARIN Prefixes per ASN: 7.85
ARIN Region origin ASes announcing only one prefix: 5639
ARIN Region transit ASes present in the Internet Routing Table: 1554
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804788864
Equivalent to 47 /8s, 248 /16s and 26 /24s
Percentage of available ARIN address space announced: 64.0

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: 87865
Total RIPE prefixes after maximum aggregation: 49993
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 80959
Unique aggregates announced from the RIPE address blocks: 53843
RIPE Region origin ASes present in the Internet Routing Table: 15959
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 7952
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: 993
Number of RIPE addresses announced to Internet: 488762880
Equivalent to 29 /8s, 33 /16s and 238 /24s
Percentage of available RIPE address space announced: 78.7

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: 34454
Total LACNIC prefixes after maximum aggregation: 7761
LACNIC Deaggregation factor: 4.44
Prefixes being announced from the LACNIC address blocks: 33754
Unique aggregates announced from the LACNIC address blocks: 17669
LACNIC Region origin ASes present in the Internet Routing Table: 1522
LACNIC Prefixes per ASN: 22.18
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 275
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: 305
Number of LACNIC addresses announced to Internet: 88542336
Equivalent to 5 /8s, 71 /16s and 12 /24s
Percentage of available LACNIC address space announced: 58.6

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: 8314
Total AfriNIC prefixes after maximum aggregation: 2024
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6408
Unique aggregates announced from the AfriNIC address blocks: 1991
AfriNIC Region origin ASes present in the Internet Routing Table: 480
AfriNIC Prefixes per ASN: 13.35
AfriNIC Region origin ASes announcing only one prefix: 153
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27297024
Equivalent to 1 /8s, 160 /16s and 133 /24s
Percentage of available AfriNIC address space announced: 40.7

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 2508 11047 955 Korea Telecom (KIX)
17974 1985 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1581 301 83 TPG Internet Pty Ltd
4755 1550 635 170 TATA Communications formerly
24560 1176 336 192 Bharti Airtel Ltd., Telemedia
9829 1152 989 28 BSNL National Internet Backbo
9583 1079 80 503 Sify Limited
4808 1077 2093 308 CNCGROUP IP network: China169
7552 1050 1062 11 Vietel Corporation
17488 982 192 158 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 3564 3817 226 bellsouth.net, inc.
18566 1912 364 237 Covad Communications
1785 1822 680 122 PaeTec Communications, Inc.
4323 1626 1085 395 Time Warner Telecom
20115 1591 1540 634 Charter Communications
7029 1483 995 231 Windstream Communications Inc
22773 1450 2906 99 Cox Communications, Inc.
19262 1394 4724 399 Verizon Global Networks
7018 1333 7050 874 AT&T WorldNet Services
30036 1327 244 687 Mediacom Communications Corp

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 544 107 178 BILISIM TELEKOM
6830 526 1811 322 UPC Distribution Services
20940 500 154 388 Akamai Technologies European
3292 471 2079 405 TDC Tele Danmark
12479 468 594 8 Uni2 Autonomous System
8866 460 133 26 Bulgarian Telecommunication C
3320 431 8152 375 Deutsche Telekom AG
29049 424 31 55 AzerSat LLC.
8402 406 352 13 Corbina telecom
8551 404 354 44 Bezeq International

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 1661 305 161 TVCABLE BOGOTA
8151 1409 2802 354 UniNet S.A. de C.V.
28573 1302 1003 71 NET Servicos de Comunicao S.A
7303 1051 578 166 Telecom Argentina Stet-France
14420 715 57 88 CORPORACION NACIONAL DE TELEC
6503 582 450 68 AVANTEL, S.A.
22047 579 322 17 VTR PUNTO NET S.A.
27947 565 55 82 Telconet S.A
3816 535 232 98 Empresa Nacional de Telecomun
7738 515 986 31 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
24863 812 147 43 LINKdotNET AS number
8452 596 440 15 TEDATA
15475 512 74 8 Nile Online
36992 300 415 14 Etisalat MISR
3741 267 938 228 The Internet Solution
6713 242 519 14 Itissalat Al-MAGHRIB
15706 219 32 6 Sudatel Internet Exchange Aut
33776 204 13 14 Starcomms Nigeria Limited
12258 193 28 62 Vodacom Internet Company
29571 191 17 11 Ci Telecom Autonomous system

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 3564 3817 226 bellsouth.net, inc.
23456 3204 762 1739 32-bit ASN transition
4766 2508 11047 955 Korea Telecom (KIX)
17974 1985 516 31 PT TELEKOMUNIKASI INDONESIA
18566 1912 364 237 Covad Communications
1785 1822 680 122 PaeTec Communications, Inc.
10620 1661 305 161 TVCABLE BOGOTA
4323 1626 1085 395 Time Warner Telecom
20115 1591 1540 634 Charter Communications
7545 1581 301 83 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 1985 1954 PT TELEKOMUNIKASI INDONESIA
1785 1822 1700 PaeTec Communications, Inc.
18566 1912 1675 Covad Communications
4766 2508 1553 Korea Telecom (KIX)
10620 1661 1500 TVCABLE BOGOTA
7545 1581 1498 TPG Internet Pty Ltd
23456 3204 1465 32-bit ASN transition
4755 1550 1380 TATA Communications formerly
22773 1450 1351 Cox Communications, Inc.
7029 1483 1252 Windstream 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
46.18.104.0/21 23456 32-bit ASN transition
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 /8:19 /9:12 /10:27 /11:81 /12:234
/13:463 /14:798 /15:1411 /16:11956 /17:5953 /18:9998
/19:19711 /20:26697 /21:26880 /22:35996 /23:34665 /24:192096
/25:1106 /26:1287 /27:739 /28:163 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2201 3564 bellsouth.net, inc.
18566 1868 1912 Covad Communications
10620 1556 1661 TVCABLE BOGOTA
23456 1549 3204 32-bit ASN transition
30036 1290 1327 Mediacom Communications Corp
7029 1211 1483 Windstream Communications Inc
11492 1110 1156 Cable One
7011 1058 1183 Citizens Utilities
1785 1052 1822 PaeTec Communications, Inc.
22773 940 1450 Cox Communications, Inc.

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

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

1:365 2:50 4:15 5:1 6:3 8:349
12:1949 13:1 14:523 15:13 16:3 17:5
20:10 23:31 24:1669 27:919 31:516 32:64
33:3 34:2 36:4 38:737 40:107 41:2430
42:40 44:3 46:980 47:3 49:236 50:412
52:13 54:2 55:6 56:2 57:34 58:868
59:495 60:376 61:1172 62:1085 63:1940 64:4021
65:2306 66:3933 67:1933 68:1116 69:3168 70:783
71:377 72:1855 74:2432 75:325 76:339 77:870
78:667 79:455 80:1108 81:843 82:504 83:491
84:686 85:1091 86:412 87:862 88:345 89:1537
90:232 91:4073 92:524 93:1129 94:1339 95:799
96:424 97:272 98:913 99:37 101:202 103:266
106:71 107:43 108:76 109:1015 110:666 111:745
112:319 113:439 114:563 115:707 116:911 117:678
118:883 119:1199 120:334 121:687 122:1580 123:1006
124:1339 125:1353 128:248 129:181 130:166 131:581
132:119 133:21 134:215 135:52 136:212 137:134
138:293 139:109 140:493 141:289 142:389 143:415
144:488 145:61 146:466 147:228 148:635 149:250
150:153 151:189 152:444 153:179 154:6 155:393
156:201 157:354 158:143 159:456 160:320 161:207
162:335 163:174 164:513 165:370 166:536 167:432
168:746 169:146 170:844 171:84 172:1 173:1644
174:631 175:390 176:167 177:246 178:1007 180:1018
181:25 182:608 183:233 184:352 185:1 186:1412
187:672 188:940 189:869 190:5141 192:5913 193:5000
194:3524 195:3029 196:1231 197:147 198:3590 199:4108
200:5511 201:1635 202:8503 203:8514 204:4242 205:2339
206:2675 207:2819 208:4009 209:3441 210:2672 211:1465
212:2092 213:1762 214:772 215:76 216:4837 217:1598
218:549 219:345 220:1226 221:515 222:352 223:259


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 17 Sep, 2011

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

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

BGP routing table entries examined: 371690
Prefixes after maximum aggregation: 167917
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 184823
Total ASes present in the Internet Routing Table: 38823
Prefixes per ASN: 9.57
Origin-only ASes present in the Internet Routing Table: 32200
Origin ASes announcing only one prefix: 15478
Transit ASes present in the Internet Routing Table: 5208
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 (22394) 33
Prefixes from unregistered ASNs in the Routing Table: 1319
Unregistered ASNs in the Routing Table: 742
Number of 32-bit ASNs allocated by the RIRs: 1739
Number of 32-bit ASNs visible in the Routing Table: 1415
Prefixes from 32-bit ASNs in the Routing Table: 3247
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 111
Number of addresses announced to Internet: 2477780352
Equivalent to 147 /8s, 175 /16s and 237 /24s
Percentage of available address space announced: 66.9
Percentage of allocated address space announced: 66.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.3
Total number of prefixes smaller than registry allocations: 154979

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

Prefixes being announced by APNIC Region ASes: 93491
Total APNIC prefixes after maximum aggregation: 30741
APNIC Deaggregation factor: 3.04
Prefixes being announced from the APNIC address blocks: 90025
Unique aggregates announced from the APNIC address blocks: 38232
APNIC Region origin ASes present in the Internet Routing Table: 4567
APNIC Prefixes per ASN: 19.71
APNIC Region origin ASes announcing only one prefix: 1258
APNIC Region transit ASes present in the Internet Routing Table: 710
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 88
Number of APNIC addresses announced to Internet: 627559520
Equivalent to 37 /8s, 103 /16s and 204 /24s
Percentage of available APNIC address space announced: 79.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 143323
Total ARIN prefixes after maximum aggregation: 73655
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 115248
Unique aggregates announced from the ARIN address blocks: 47939
ARIN Region origin ASes present in the Internet Routing Table: 14662
ARIN Prefixes per ASN: 7.86
ARIN Region origin ASes announcing only one prefix: 5652
ARIN Region transit ASes present in the Internet Routing Table: 1553
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 36
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804847104
Equivalent to 47 /8s, 248 /16s and 254 /24s
Percentage of available ARIN address space announced: 64.0

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: 88191
Total RIPE prefixes after maximum aggregation: 50131
RIPE Deaggregation factor: 1.76
Prefixes being announced from the RIPE address blocks: 81218
Unique aggregates announced from the RIPE address blocks: 53898
RIPE Region origin ASes present in the Internet Routing Table: 15982
RIPE Prefixes per ASN: 5.08
RIPE Region origin ASes announcing only one prefix: 7963
RIPE Region transit ASes present in the Internet Routing Table: 2501
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: 1003
Number of RIPE addresses announced to Internet: 488917248
Equivalent to 29 /8s, 36 /16s and 73 /24s
Percentage of available RIPE address space announced: 78.8

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, 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: 34743
Total LACNIC prefixes after maximum aggregation: 7768
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 34025
Unique aggregates announced from the LACNIC address blocks: 17820
LACNIC Region origin ASes present in the Internet Routing Table: 1527
LACNIC Prefixes per ASN: 22.28
LACNIC Region origin ASes announcing only one prefix: 451
LACNIC Region transit ASes present in the Internet Routing Table: 273
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: 308
Number of LACNIC addresses announced to Internet: 89082496
Equivalent to 5 /8s, 79 /16s and 74 /24s
Percentage of available LACNIC address space announced: 59.0

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: 8517
Total AfriNIC prefixes after maximum aggregation: 2026
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 6597
Unique aggregates announced from the AfriNIC address blocks: 2037
AfriNIC Region origin ASes present in the Internet Routing Table: 486
AfriNIC Prefixes per ASN: 13.57
AfriNIC Region origin ASes announcing only one prefix: 154
AfriNIC Region transit ASes present in the Internet Routing Table: 105
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27220736
Equivalent to 1 /8s, 159 /16s and 91 /24s
Percentage of available AfriNIC address space announced: 40.6

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 2508 11047 955 Korea Telecom (KIX)
17974 2010 516 31 PT TELEKOMUNIKASI INDONESIA
7545 1597 303 85 TPG Internet Pty Ltd
4755 1548 639 170 TATA Communications formerly
24560 1182 337 194 Bharti Airtel Ltd., Telemedia
9829 1155 989 28 BSNL National Internet Backbo
9583 1078 80 505 Sify Limited
4808 1069 2088 302 CNCGROUP IP network: China169
7552 978 1062 11 Vietel Corporation
17488 957 189 159 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 3563 3817 226 bellsouth.net, inc.
18566 1912 364 237 Covad Communications
1785 1820 680 122 PaeTec Communications, Inc.
4323 1626 1085 393 Time Warner Telecom
7029 1608 1008 195 Windstream Communications Inc
20115 1595 1542 634 Charter Communications
22773 1455 2906 99 Cox Communications, Inc.
30036 1423 263 688 Mediacom Communications Corp
19262 1395 4724 399 Verizon Global Networks
7018 1331 7050 869 AT&T WorldNet 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 559 108 179 BILISIM TELEKOM
6830 524 1811 322 UPC Distribution Services
20940 515 166 401 Akamai Technologies European
3292 472 2080 404 TDC Tele Danmark
12479 472 594 8 Uni2 Autonomous System
8866 460 133 26 Bulgarian Telecommunication C
3320 432 8152 376 Deutsche Telekom AG
29049 424 31 55 AzerSat LLC.
8402 415 352 13 Corbina telecom
8551 403 354 44 Bezeq International

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 1675 308 159 TVCABLE BOGOTA
8151 1409 2802 355 UniNet S.A. de C.V.
28573 1351 1012 68 NET Servicos de Comunicao S.A
7303 1156 678 170 Telecom Argentina Stet-France
14420 730 57 92 CORPORACION NACIONAL DE TELEC
6503 580 450 68 AVANTEL, S.A.
22047 579 322 17 VTR PUNTO NET S.A.
27947 568 55 82 Telconet S.A
3816 535 232 98 Empresa Nacional de Telecomun
11172 516 85 91 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
24863 813 147 43 LINKdotNET AS number
8452 698 445 11 TEDATA
15475 513 74 8 Nile Online
36992 308 415 14 Etisalat MISR
3741 267 938 228 The Internet Solution
6713 242 519 14 Itissalat Al-MAGHRIB
33776 239 13 8 Starcomms Nigeria Limited
15706 219 32 6 Sudatel Internet Exchange Aut
12258 198 28 58 Vodacom Internet Company
29571 198 17 13 Ci Telecom Autonomous system

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 3563 3817 226 bellsouth.net, inc.
23456 3247 770 1753 32-bit ASN transition
4766 2508 11047 955 Korea Telecom (KIX)
17974 2010 516 31 PT TELEKOMUNIKASI INDONESIA
18566 1912 364 237 Covad Communications
1785 1820 680 122 PaeTec Communications, Inc.
10620 1675 308 159 TVCABLE BOGOTA
4323 1626 1085 393 Time Warner Telecom
7029 1608 1008 195 Windstream Communications Inc
7545 1597 303 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 2010 1979 PT TELEKOMUNIKASI INDONESIA
1785 1820 1698 PaeTec Communications, Inc.
18566 1912 1675 Covad Communications
4766 2508 1553 Korea Telecom (KIX)
10620 1675 1516 TVCABLE BOGOTA
7545 1597 1512 TPG Internet Pty Ltd
23456 3247 1494 32-bit ASN transition
7029 1608 1413 Windstream Communications Inc
4755 1548 1378 TATA Communications formerly
22773 1455 1356 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
46.18.104.0/21 23456 32-bit ASN transition
50.115.128.0/21 20248 Take 2 Hosting, Inc.

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 /10:27 /11:81 /12:235
/13:464 /14:800 /15:1411 /16:11970 /17:5965 /18:10012
/19:19731 /20:26875 /21:26973 /22:36182 /23:34758 /24:192858
/25:1105 /26:1294 /27:744 /28:165 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2200 3563 bellsouth.net, inc.
18566 1868 1912 Covad Communications
23456 1571 3247 32-bit ASN transition
10620 1570 1675 TVCABLE BOGOTA
30036 1381 1423 Mediacom Communications Corp
7029 1308 1608 Windstream Communications Inc
11492 1114 1152 Cable One
7011 1058 1183 Citizens Utilities
1785 1052 1820 PaeTec Communications, Inc.
22773 945 1455 Cox Communications, Inc.

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

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

1:372 2:52 4:15 5:1 6:3 8:351
12:1951 13:1 14:540 15:13 16:3 17:5
20:10 23:32 24:1678 27:940 31:530 32:64
33:4 34:2 36:4 38:742 40:108 41:2576
42:48 44:3 46:983 47:3 49:243 50:419
52:13 54:2 55:5 56:2 57:35 58:876
59:501 60:376 61:1175 62:1088 63:1944 64:4047
65:2300 66:3928 67:1939 68:1100 69:3174 70:783
71:377 72:1859 74:2437 75:315 76:339 77:870
78:665 79:469 80:1122 81:839 82:503 83:499
84:687 85:1086 86:410 87:869 88:347 89:1535
90:234 91:4088 92:527 93:1150 94:1331 95:791
96:437 97:272 98:932 99:37 101:207 103:301
106:94 107:44 108:76 109:1017 110:668 111:784
112:313 113:440 114:566 115:685 116:922 117:680
118:891 119:1199 120:338 121:685 122:1602 123:1015
124:1355 125:1354 128:248 129:179 130:167 131:577
132:120 133:21 134:215 135:53 136:212 137:137
138:294 139:108 140:493 141:288 142:389 143:407
144:483 145:61 146:468 147:214 148:636 149:251
150:153 151:190 152:452 153:177 154:6 155:390
156:202 157:356 158:144 159:461 160:324 161:207
162:334 163:176 164:508 165:372 166:536 167:433
168:747 169:146 170:860 171:84 172:4 173:1639
174:628 175:393 176:176 177:251 178:999 180:1067
181:26 182:616 183:237 184:366 185:1 186:1440
187:667 188:938 189:872 190:5156 192:5911 193:5005
194:3522 195:3057 196:1251 197:148 198:3591 199:4101
200:5514 201:1636 202:8528 203:8484 204:4251 205:2333
206:2667 207:2829 208:4032 209:3457 210:2693 211:1467
212:2088 213:1768 214:784 215:75 216:4849 217:1610
218:552 219:333 220:1197 221:514 222:343 223:266


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 24 Sep, 2011

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

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

BGP routing table entries examined: 374059
Prefixes after maximum aggregation: 168238
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 184911
Total ASes present in the Internet Routing Table: 38886
Prefixes per ASN: 9.62
Origin-only ASes present in the Internet Routing Table: 32232
Origin ASes announcing only one prefix: 15494
Transit ASes present in the Internet Routing Table: 5223
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 35
Max AS path prepend of ASN (23456) 31
Prefixes from unregistered ASNs in the Routing Table: 1402
Unregistered ASNs in the Routing Table: 772
Number of 32-bit ASNs allocated by the RIRs: 1762
Number of 32-bit ASNs visible in the Routing Table: 1431
Prefixes from 32-bit ASNs in the Routing Table: 3276
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 97
Number of addresses announced to Internet: 2479145472
Equivalent to 147 /8s, 196 /16s and 194 /24s
Percentage of available address space announced: 66.9
Percentage of allocated address space announced: 66.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.4
Total number of prefixes smaller than registry allocations: 156426

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

Prefixes being announced by APNIC Region ASes: 93852
Total APNIC prefixes after maximum aggregation: 30727
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 90378
Unique aggregates announced from the APNIC address blocks: 37990
APNIC Region origin ASes present in the Internet Routing Table: 4575
APNIC Prefixes per ASN: 19.75
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 709
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 88
Number of APNIC addresses announced to Internet: 627667040
Equivalent to 37 /8s, 105 /16s and 112 /24s
Percentage of available APNIC address space announced: 79.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 143860
Total ARIN prefixes after maximum aggregation: 73754
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 115959
Unique aggregates announced from the ARIN address blocks: 48009
ARIN Region origin ASes present in the Internet Routing Table: 14685
ARIN Prefixes per ASN: 7.90
ARIN Region origin ASes announcing only one prefix: 5659
ARIN Region transit ASes present in the Internet Routing Table: 1562
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804997888
Equivalent to 47 /8s, 251 /16s and 75 /24s
Percentage of available ARIN address space announced: 64.0

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: 89445
Total RIPE prefixes after maximum aggregation: 50349
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 82150
Unique aggregates announced from the RIPE address blocks: 54043
RIPE Region origin ASes present in the Internet Routing Table: 15994
RIPE Prefixes per ASN: 5.14
RIPE Region origin ASes announcing only one prefix: 7970
RIPE Region transit ASes present in the Internet Routing Table: 2509
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: 1018
Number of RIPE addresses announced to Internet: 489770368
Equivalent to 29 /8s, 49 /16s and 77 /24s
Percentage of available RIPE address space announced: 78.9

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: 34957
Total LACNIC prefixes after maximum aggregation: 7779
LACNIC Deaggregation factor: 4.49
Prefixes being announced from the LACNIC address blocks: 34257
Unique aggregates announced from the LACNIC address blocks: 17926
LACNIC Region origin ASes present in the Internet Routing Table: 1527
LACNIC Prefixes per ASN: 22.43
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 273
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 310
Number of LACNIC addresses announced to Internet: 89159552
Equivalent to 5 /8s, 80 /16s and 119 /24s
Percentage of available LACNIC address space announced: 59.0

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: 8500
Total AfriNIC prefixes after maximum aggregation: 1993
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 6578
Unique aggregates announced from the AfriNIC address blocks: 1995
AfriNIC Region origin ASes present in the Internet Routing Table: 488
AfriNIC Prefixes per ASN: 13.48
AfriNIC Region origin ASes announcing only one prefix: 156
AfriNIC Region transit ASes present in the Internet Routing Table: 102
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3
Number of AfriNIC addresses announced to Internet: 26803968
Equivalent to 1 /8s, 152 /16s and 255 /24s
Percentage of available AfriNIC address space announced: 39.9

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 2503 11048 956 Korea Telecom (KIX)
17974 2004 519 33 PT TELEKOMUNIKASI INDONESIA
7545 1599 303 86 TPG Internet Pty Ltd
4755 1555 639 169 TATA Communications formerly
7552 1397 1064 7 Vietel Corporation
24560 1182 337 194 Bharti Airtel Ltd., Telemedia
9829 1158 989 28 BSNL National Internet Backbo
9583 1085 80 502 Sify Limited
4808 1074 2098 304 CNCGROUP IP network: China169
18101 950 117 142 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 3561 3817 226 bellsouth.net, inc.
18566 1913 365 238 Covad Communications
1785 1826 680 123 PaeTec Communications, Inc.
7029 1706 1008 194 Windstream Communications Inc
4323 1623 1082 391 Time Warner Telecom
20115 1597 1543 633 Charter Communications
22773 1458 2907 99 Cox Communications, Inc.
30036 1420 264 677 Mediacom Communications Corp
19262 1396 4728 400 Verizon Global Networks
7018 1332 7050 869 AT&T WorldNet 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
8402 967 352 13 Corbina telecom
34984 566 108 181 BILISIM TELEKOM
20940 542 181 420 Akamai Technologies European
6830 533 1813 325 UPC Distribution Services
3320 493 8167 381 Deutsche Telekom AG
3292 477 2082 407 TDC Tele Danmark
12479 476 594 8 Uni2 Autonomous System
8866 462 133 26 Bulgarian Telecommunication C
29049 424 31 55 AzerSat LLC.
3301 405 1904 354 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 1679 309 156 TVCABLE BOGOTA
8151 1416 2795 354 UniNet S.A. de C.V.
28573 1362 1013 70 NET Servicos de Comunicao S.A
7303 1161 681 173 Telecom Argentina Stet-France
14420 734 58 88 CORPORACION NACIONAL DE TELEC
6503 582 450 69 AVANTEL, S.A.
22047 580 322 17 VTR PUNTO NET S.A.
27947 566 55 79 Telconet S.A
3816 535 232 98 Empresa Nacional de Telecomun
11172 516 85 91 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
24863 812 147 43 LINKdotNET AS number
8452 710 445 11 TEDATA
15475 451 74 8 Nile Online
36992 291 415 14 Etisalat MISR
3741 274 938 229 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
33776 239 13 8 Starcomms Nigeria Limited
12258 198 28 58 Vodacom Internet Company
29571 190 17 11 Ci Telecom Autonomous system

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 3561 3817 226 bellsouth.net, inc.
23456 3276 774 1775 32-bit ASN transition
4766 2503 11048 956 Korea Telecom (KIX)
17974 2004 519 33 PT TELEKOMUNIKASI INDONESIA
18566 1913 365 238 Covad Communications
1785 1826 680 123 PaeTec Communications, Inc.
7029 1706 1008 194 Windstream Communications Inc
10620 1679 309 156 TVCABLE BOGOTA
4323 1623 1082 391 Time Warner Telecom
7545 1599 303 86 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 2004 1971 PT TELEKOMUNIKASI INDONESIA
1785 1826 1703 PaeTec Communications, Inc.
18566 1913 1675 Covad Communications
4766 2503 1547 Korea Telecom (KIX)
10620 1679 1523 TVCABLE BOGOTA
7545 1599 1513 TPG Internet Pty Ltd
7029 1706 1512 Windstream Communications Inc
23456 3276 1501 32-bit ASN transition
7552 1397 1390 Vietel Corporation
4755 1555 1386 TATA Communications formerly

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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
46.18.104.0/21 23456 32-bit ASN transition
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 /8:19 /9:12 /10:27 /11:81 /12:234
/13:464 /14:801 /15:1416 /16:11985 /17:5990 /18:10025
/19:19811 /20:27043 /21:27104 /22:36625 /23:34934 /24:194103
/25:1117 /26:1336 /27:752 /28:171 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2198 3561 bellsouth.net, inc.
18566 1869 1913 Covad Communications
10620 1574 1679 TVCABLE BOGOTA
23456 1564 3276 32-bit ASN transition
7029 1403 1706 Windstream Communications Inc
30036 1377 1420 Mediacom Communications Corp
11492 1114 1152 Cable One
7011 1057 1182 Citizens Utilities
1785 1053 1826 PaeTec Communications, Inc.
22773 947 1458 Cox Communications, Inc.

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

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

1:384 2:297 4:15 5:1 6:3 8:351
12:1956 13:1 14:543 15:13 16:3 17:7
20:10 23:35 24:1681 27:945 31:543 32:64
33:4 34:2 36:4 38:742 40:108 41:2586
42:48 44:3 46:992 47:3 49:257 50:421
52:13 54:2 55:4 56:2 57:35 58:875
59:492 60:340 61:1179 62:1093 63:1940 64:4048
65:2303 66:3968 67:1951 68:1116 69:3188 70:814
71:377 72:1856 74:2455 75:349 76:341 77:870
78:790 79:479 80:1126 81:838 82:505 83:517
84:622 85:1086 86:409 87:873 88:351 89:1581
90:267 91:4120 92:524 93:1289 94:1325 95:904
96:437 97:276 98:931 99:37 101:210 103:316
106:70 107:52 108:79 109:1026 110:669 111:784
112:324 113:446 114:566 115:688 116:864 117:711
118:891 119:1210 120:334 121:686 122:1609 123:1003
124:1359 125:1358 128:244 129:179 130:165 131:583
132:120 133:21 134:216 135:54 136:212 137:139
138:289 139:120 140:494 141:287 142:387 143:411
144:486 145:58 146:471 147:215 148:639 149:259
150:153 151:191 152:446 153:177 154:6 155:395
156:203 157:359 158:146 159:463 160:325 161:207
162:339 163:177 164:507 165:373 166:534 167:432
168:751 169:146 170:860 171:83 172:1 173:1653
174:643 175:400 176:212 177:275 178:998 180:1079
181:30 182:626 183:219 184:378 185:1 186:1458
187:669 188:944 189:868 190:5164 192:5906 193:5018
194:3529 195:3069 196:1250 197:175 198:3591 199:4124
200:5520 201:1636 202:8518 203:8483 204:4254 205:2341
206:2677 207:2827 208:4030 209:3455 210:2670 211:1464
212:2087 213:1776 214:781 215:76 216:4879 217:1609
218:559 219:339 220:1227 221:513 222:342 223:263


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 01 Oct, 2011

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

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

BGP routing table entries examined: 374848
Prefixes after maximum aggregation: 168719
Deaggregation factor: 2.22
Unique aggregates announced to Internet: 185153
Total ASes present in the Internet Routing Table: 38930
Prefixes per ASN: 9.63
Origin-only ASes present in the Internet Routing Table: 32252
Origin ASes announcing only one prefix: 15477
Transit ASes present in the Internet Routing Table: 5218
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1474
Unregistered ASNs in the Routing Table: 802
Number of 32-bit ASNs allocated by the RIRs: 1802
Number of 32-bit ASNs visible in the Routing Table: 1460
Prefixes from 32-bit ASNs in the Routing Table: 3347
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 103
Number of addresses announced to Internet: 2481536768
Equivalent to 147 /8s, 233 /16s and 63 /24s
Percentage of available address space announced: 67.0
Percentage of allocated address space announced: 67.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.4
Total number of prefixes smaller than registry allocations: 156962

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

Prefixes being announced by APNIC Region ASes: 93945
Total APNIC prefixes after maximum aggregation: 30799
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 90409
Unique aggregates announced from the APNIC address blocks: 37945
APNIC Region origin ASes present in the Internet Routing Table: 4567
APNIC Prefixes per ASN: 19.80
APNIC Region origin ASes announcing only one prefix: 1260
APNIC Region transit ASes present in the Internet Routing Table: 707
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 90
Number of APNIC addresses announced to Internet: 628377696
Equivalent to 37 /8s, 116 /16s and 72 /24s
Percentage of available APNIC address space announced: 79.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 143988
Total ARIN prefixes after maximum aggregation: 73994
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116124
Unique aggregates announced from the ARIN address blocks: 47994
ARIN Region origin ASes present in the Internet Routing Table: 14694
ARIN Prefixes per ASN: 7.90
ARIN Region origin ASes announcing only one prefix: 5653
ARIN Region transit ASes present in the Internet Routing Table: 1557
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804495360
Equivalent to 47 /8s, 243 /16s and 160 /24s
Percentage of available ARIN address space announced: 63.9

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: 89839
Total RIPE prefixes after maximum aggregation: 50430
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 82551
Unique aggregates announced from the RIPE address blocks: 54098
RIPE Region origin ASes present in the Internet Routing Table: 16005
RIPE Prefixes per ASN: 5.16
RIPE Region origin ASes announcing only one prefix: 7962
RIPE Region transit ASes present in the Internet Routing Table: 2506
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1032
Number of RIPE addresses announced to Internet: 490070912
Equivalent to 29 /8s, 53 /16s and 227 /24s
Percentage of available RIPE address space announced: 78.9

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: 35011
Total LACNIC prefixes after maximum aggregation: 7797
LACNIC Deaggregation factor: 4.49
Prefixes being announced from the LACNIC address blocks: 34336
Unique aggregates announced from the LACNIC address blocks: 18003
LACNIC Region origin ASes present in the Internet Routing Table: 1530
LACNIC Prefixes per ASN: 22.44
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 279
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 322
Number of LACNIC addresses announced to Internet: 89805184
Equivalent to 5 /8s, 90 /16s and 81 /24s
Percentage of available LACNIC address space announced: 59.5

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: 8547
Total AfriNIC prefixes after maximum aggregation: 2002
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 6606
Unique aggregates announced from the AfriNIC address blocks: 1963
AfriNIC Region origin ASes present in the Internet Routing Table: 488
AfriNIC Prefixes per ASN: 13.54
AfriNIC Region origin ASes announcing only one prefix: 153
AfriNIC Region transit ASes present in the Internet Routing Table: 103
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27644160
Equivalent to 1 /8s, 165 /16s and 209 /24s
Percentage of available AfriNIC address space announced: 41.2

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 2509 11048 962 Korea Telecom (KIX)
17974 1986 519 33 PT TELEKOMUNIKASI INDONESIA
7545 1607 303 86 TPG Internet Pty Ltd
4755 1546 638 176 TATA Communications formerly
24560 1184 346 195 Bharti Airtel Ltd., Telemedia
9829 1158 989 28 BSNL National Internet Backbo
7552 1105 1064 7 Vietel Corporation
9583 1086 80 502 Sify Limited
4808 1074 2096 303 CNCGROUP IP network: China169
18101 952 165 142 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 3557 3817 225 bellsouth.net, inc.
18566 1915 366 239 Covad Communications
1785 1829 680 124 PaeTec Communications, Inc.
7029 1720 1008 194 Windstream Communications Inc
4323 1625 1082 391 Time Warner Telecom
20115 1595 1542 635 Charter Communications
22773 1456 2907 100 Cox Communications, Inc.
19262 1395 4728 400 Verizon Global Networks
30036 1390 252 666 Mediacom Communications Corp
7018 1338 7051 874 AT&T WorldNet 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
8402 1224 352 13 Corbina telecom
34984 577 108 180 BILISIM TELEKOM
6830 557 1873 333 UPC Distribution Services
20940 530 178 408 Akamai Technologies European
3320 501 8169 383 Deutsche Telekom AG
3292 479 2082 408 TDC Tele Danmark
12479 474 593 7 Uni2 Autonomous System
8866 459 133 26 Bulgarian Telecommunication C
29049 423 31 55 AzerSat LLC.
8551 404 354 44 Bezeq International

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 1681 310 155 TVCABLE BOGOTA
8151 1410 2823 344 UniNet S.A. de C.V.
28573 1368 1013 70 NET Servicos de Comunicao S.A
7303 1164 683 175 Telecom Argentina Stet-France
14420 742 58 87 CORPORACION NACIONAL DE TELEC
22047 581 322 17 VTR PUNTO NET S.A.
6503 577 450 69 AVANTEL, S.A.
27947 573 71 83 Telconet S.A
3816 536 232 98 Empresa Nacional de Telecomun
11172 521 85 93 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
24863 813 147 37 LINKdotNET AS number
8452 663 445 11 TEDATA
15475 449 74 8 Nile Online
36992 293 415 14 Etisalat MISR
3741 278 939 231 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
33776 239 13 8 Starcomms Nigeria Limited
12258 198 28 58 Vodacom Internet Company
29571 192 17 11 Ci Telecom Autonomous system

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 3557 3817 225 bellsouth.net, inc.
4766 2509 11048 962 Korea Telecom (KIX)
17974 1986 519 33 PT TELEKOMUNIKASI INDONESIA
18566 1915 366 239 Covad Communications
1785 1829 680 124 PaeTec Communications, Inc.
7029 1720 1008 194 Windstream Communications Inc
10620 1681 310 155 TVCABLE BOGOTA
4323 1625 1082 391 Time Warner Telecom
7545 1607 303 86 TPG Internet Pty Ltd
20115 1595 1542 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 1986 1953 PT TELEKOMUNIKASI INDONESIA
1785 1829 1705 PaeTec Communications, Inc.
18566 1915 1676 Covad Communications
4766 2509 1547 Korea Telecom (KIX)
7029 1720 1526 Windstream Communications Inc
10620 1681 1526 TVCABLE BOGOTA
7545 1607 1521 TPG Internet Pty Ltd
4755 1546 1370 TATA Communications formerly
22773 1456 1356 Cox Communications, Inc.
28573 1368 1298 NET Servicos de Comunicao S.A

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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:235
/13:463 /14:802 /15:1420 /16:11981 /17:5988 /18:10044
/19:19827 /20:26999 /21:27144 /22:36733 /23:34891 /24:194773
/25:1132 /26:1345 /27:752 /28:171 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2194 3557 bellsouth.net, inc.
18566 1870 1915 Covad Communications
10620 1576 1681 TVCABLE BOGOTA
7029 1417 1720 Windstream Communications Inc
30036 1351 1390 Mediacom Communications Corp
8402 1185 1224 Corbina telecom
11492 1115 1153 Cable One
1785 1054 1829 PaeTec Communications, Inc.
7011 1052 1173 Citizens Utilities
22773 945 1456 Cox Communications, Inc.

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

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

1:381 2:393 4:15 5:1 6:3 8:353
12:1956 13:1 14:532 15:13 16:3 17:7
20:10 23:36 24:1688 27:959 31:564 32:65
33:4 34:2 36:4 38:746 40:108 41:2639
42:48 44:3 46:993 47:3 49:263 50:432
52:13 55:3 56:2 57:38 58:879 59:492
60:365 61:1178 62:1089 63:1935 64:4052 65:2306
66:3979 67:1952 68:1102 69:3194 70:814 71:377
72:1849 74:2458 75:350 76:341 77:883 78:829
79:480 80:1122 81:835 82:503 83:501 84:622
85:1118 86:408 87:876 88:352 89:1591 90:268
91:4143 92:535 93:1339 94:1318 95:964 96:440
97:277 98:905 99:37 101:209 103:331 106:70
107:56 108:47 109:1034 110:663 111:796 112:322
113:449 114:569 115:681 116:870 117:689 118:866
119:1208 120:334 121:678 122:1605 123:1013 124:1353
125:1393 128:244 129:178 130:163 131:580 132:112
133:21 134:214 135:54 136:213 137:139 138:288
139:122 140:494 141:292 142:388 143:416 144:482
145:63 146:471 147:215 148:641 149:264 150:155
151:193 152:446 153:177 154:6 155:385 156:207
157:361 158:150 159:465 160:322 161:206 162:336
163:178 164:511 165:374 166:536 167:432 168:739
169:147 170:865 171:85 172:1 173:1641 174:648
175:417 176:246 177:291 178:1031 180:1090 181:37
182:627 183:215 184:355 185:1 186:1493 187:676
188:923 189:826 190:5177 192:5916 193:5011 194:3528
195:3078 196:1257 197:174 198:3626 199:4140 200:5520
201:1641 202:8580 203:8492 204:4258 205:2357 206:2676
207:2824 208:4041 209:3464 210:2696 211:1463 212:2044
213:1776 214:785 215:90 216:4897 217:1594 218:561
219:338 220:1227 221:514 222:342 223:263

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 08 Oct, 2011

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

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

BGP routing table entries examined: 376147
Prefixes after maximum aggregation: 169003
Deaggregation factor: 2.23
Unique aggregates announced to Internet: 185518
Total ASes present in the Internet Routing Table: 38980
Prefixes per ASN: 9.65
Origin-only ASes present in the Internet Routing Table: 32290
Origin ASes announcing only one prefix: 15494
Transit ASes present in the Internet Routing Table: 5213
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1658
Unregistered ASNs in the Routing Table: 841
Number of 32-bit ASNs allocated by the RIRs: 1832
Number of 32-bit ASNs visible in the Routing Table: 1477
Prefixes from 32-bit ASNs in the Routing Table: 3383
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 95
Number of addresses announced to Internet: 2483550208
Equivalent to 148 /8s, 7 /16s and 248 /24s
Percentage of available address space announced: 67.0
Percentage of allocated address space announced: 67.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.5
Total number of prefixes smaller than registry allocations: 157509

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

Prefixes being announced by APNIC Region ASes: 94479
Total APNIC prefixes after maximum aggregation: 30812
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 90937
Unique aggregates announced from the APNIC address blocks: 38010
APNIC Region origin ASes present in the Internet Routing Table: 4569
APNIC Prefixes per ASN: 19.90
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 702
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 90
Number of APNIC addresses announced to Internet: 628447584
Equivalent to 37 /8s, 117 /16s and 89 /24s
Percentage of available APNIC address space announced: 79.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 144302
Total ARIN prefixes after maximum aggregation: 74084
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116427
Unique aggregates announced from the ARIN address blocks: 48007
ARIN Region origin ASes present in the Internet Routing Table: 14715
ARIN Prefixes per ASN: 7.91
ARIN Region origin ASes announcing only one prefix: 5670
ARIN Region transit ASes present in the Internet Routing Table: 1556
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 805354752
Equivalent to 48 /8s, 0 /16s and 189 /24s
Percentage of available ARIN address space announced: 64.0

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: 90213
Total RIPE prefixes after maximum aggregation: 50506
RIPE Deaggregation factor: 1.79
Prefixes being announced from the RIPE address blocks: 82867
Unique aggregates announced from the RIPE address blocks: 54222
RIPE Region origin ASes present in the Internet Routing Table: 16019
RIPE Prefixes per ASN: 5.17
RIPE Region origin ASes announcing only one prefix: 7969
RIPE Region transit ASes present in the Internet Routing Table: 2499
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1043
Number of RIPE addresses announced to Internet: 490533248
Equivalent to 29 /8s, 60 /16s and 241 /24s
Percentage of available RIPE address space announced: 79.0

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: 35060
Total LACNIC prefixes after maximum aggregation: 7852
LACNIC Deaggregation factor: 4.47
Prefixes being announced from the LACNIC address blocks: 34492
Unique aggregates announced from the LACNIC address blocks: 18093
LACNIC Region origin ASes present in the Internet Routing Table: 1532
LACNIC Prefixes per ASN: 22.51
LACNIC Region origin ASes announcing only one prefix: 451
LACNIC Region transit ASes present in the Internet Routing Table: 280
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 329
Number of LACNIC addresses announced to Internet: 90288768
Equivalent to 5 /8s, 97 /16s and 178 /24s
Percentage of available LACNIC address space announced: 59.8

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: 8536
Total AfriNIC prefixes after maximum aggregation: 2003
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 6622
Unique aggregates announced from the AfriNIC address blocks: 1978
AfriNIC Region origin ASes present in the Internet Routing Table: 487
AfriNIC Prefixes per ASN: 13.60
AfriNIC Region origin ASes announcing only one prefix: 155
AfriNIC Region transit ASes present in the Internet Routing Table: 104
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3
Number of AfriNIC addresses announced to Internet: 27800320
Equivalent to 1 /8s, 168 /16s and 51 /24s
Percentage of available AfriNIC address space announced: 41.4

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 2493 11047 956 Korea Telecom (KIX)
17974 1963 519 33 PT TELEKOMUNIKASI INDONESIA
7545 1607 303 84 TPG Internet Pty Ltd
4755 1543 638 176 TATA Communications formerly
7552 1394 1064 7 Vietel Corporation
24560 1180 345 206 Bharti Airtel Ltd., Telemedia
9829 1165 989 28 BSNL National Internet Backbo
9583 1087 80 503 Sify Limited
4808 1074 2096 303 CNCGROUP IP network: China169
18101 951 165 142 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 3553 3817 222 bellsouth.net, inc.
18566 1915 366 239 Covad Communications
7029 1897 1016 196 Windstream Communications Inc
1785 1830 680 121 PaeTec Communications, Inc.
4323 1626 1083 392 Time Warner Telecom
20115 1593 1541 636 Charter Communications
22773 1458 2907 100 Cox Communications, Inc.
19262 1394 4728 400 Verizon Global Networks
30036 1385 250 676 Mediacom Communications Corp
7018 1337 7049 875 AT&T WorldNet 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
8402 1412 352 13 Corbina telecom
6830 635 1890 410 UPC Distribution Services
34984 578 108 180 BILISIM TELEKOM
20940 543 183 417 Akamai Technologies European
3320 503 8169 385 Deutsche Telekom AG
12479 481 593 7 Uni2 Autonomous System
3292 480 2082 407 TDC Tele Danmark
8866 460 133 26 Bulgarian Telecommunication C
29049 424 31 55 AzerSat LLC.
8551 404 354 44 Bezeq International

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 1680 310 154 TVCABLE BOGOTA
8151 1411 2839 344 UniNet S.A. de C.V.
28573 1363 1013 79 NET Servicos de Comunicao S.A
7303 1163 683 175 Telecom Argentina Stet-France
14420 756 59 87 CORPORACION NACIONAL DE TELEC
22047 579 322 17 VTR PUNTO NET S.A.
6503 575 450 69 AVANTEL, S.A.
27947 575 71 83 Telconet S.A
3816 536 232 95 Empresa Nacional de Telecomun
11172 521 85 94 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
24863 814 146 36 LINKdotNET AS number
8452 723 445 11 TEDATA
15475 445 74 8 Nile Online
36992 298 415 19 Etisalat MISR
3741 278 938 230 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
12258 198 28 58 Vodacom Internet Company
33776 197 13 13 Starcomms Nigeria Limited
29571 192 17 11 Ci Telecom Autonomous system

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 3553 3817 222 bellsouth.net, inc.
4766 2493 11047 956 Korea Telecom (KIX)
17974 1963 519 33 PT TELEKOMUNIKASI INDONESIA
18566 1915 366 239 Covad Communications
7029 1897 1016 196 Windstream Communications Inc
1785 1830 680 121 PaeTec Communications, Inc.
10620 1680 310 154 TVCABLE BOGOTA
4323 1626 1083 392 Time Warner Telecom
7545 1607 303 84 TPG Internet Pty Ltd
20115 1593 1541 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
17974 1963 1930 PT TELEKOMUNIKASI INDONESIA
1785 1830 1709 PaeTec Communications, Inc.
7029 1897 1701 Windstream Communications Inc
18566 1915 1676 Covad Communications
4766 2493 1537 Korea Telecom (KIX)
10620 1680 1526 TVCABLE BOGOTA
7545 1607 1523 TPG Internet Pty Ltd
8402 1412 1399 Corbina telecom
7552 1394 1387 Vietel Corporation
4755 1543 1367 TATA Communications formerly

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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.8.0/22 47926 Lutsche.net Ltd
128.0.12.0/22 47926 Lutsche.net Ltd
128.0.80.0/24 30977 JSC "Yugra-Telecom"
128.0.81.0/24 30977 JSC "Yugra-Telecom"
128.0.82.0/24 30977 JSC "Yugra-Telecom"
128.0.83.0/24 30977 JSC "Yugra-Telecom"
128.0.84.0/24 30977 JSC "Yugra-Telecom"
128.0.85.0/24 30977 JSC "Yugra-Telecom"
128.0.86.0/24 30977 JSC "Yugra-Telecom"
128.0.87.0/24 30977 JSC "Yugra-Telecom"

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

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<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:82 /12:235
/13:464 /14:806 /15:1422 /16:12001 /17:5999 /18:10038
/19:19859 /20:27183 /21:27239 /22:36807 /23:34975 /24:195647
/25:1112 /26:1319 /27:725 /28:167 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2190 3553 bellsouth.net, inc.
18566 1871 1915 Covad Communications
7029 1589 1897 Windstream Communications Inc
10620 1575 1680 TVCABLE BOGOTA
8402 1389 1412 Corbina telecom
30036 1347 1385 Mediacom Communications Corp
11492 1115 1153 Cable One
1785 1055 1830 PaeTec Communications, Inc.
7011 1048 1167 Citizens Utilities
22773 947 1458 Cox Communications, Inc.

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

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

1:386 2:473 4:15 5:1 6:3 8:356
12:1951 13:1 14:533 15:11 16:3 17:7
20:10 23:54 24:1691 27:965 31:582 32:65
33:4 34:2 36:4 38:751 40:108 41:2639
42:48 44:3 46:998 47:3 49:264 50:436
52:13 55:5 56:2 57:37 58:882 59:491
60:365 61:1176 62:1088 63:1933 64:4047 65:2303
66:4014 67:1962 68:1106 69:3196 70:836 71:378
72:1849 74:2488 75:364 76:341 77:884 78:868
79:478 80:1128 81:840 82:497 83:504 84:624
85:1118 86:405 87:873 88:353 89:1601 90:269
91:4158 92:528 93:1374 94:1306 95:1028 96:437
97:280 98:899 99:37 101:210 103:342 106:70
107:61 108:54 109:1041 110:668 111:795 112:322
113:482 114:573 115:697 116:874 117:712 118:893
119:1232 120:338 121:692 122:1606 123:1020 124:1365
125:1381 128:253 129:175 130:166 131:584 132:112
133:21 134:214 135:54 136:213 137:139 138:288
139:125 140:496 141:292 142:387 143:420 144:493
145:63 146:472 147:215 148:636 149:266 150:151
151:193 152:447 153:179 154:7 155:386 156:207
157:329 158:151 159:467 160:320 161:206 162:337
163:179 164:513 165:367 166:537 167:434 168:744
169:145 170:864 171:86 172:1 173:1671 174:658
175:408 176:266 177:287 178:1053 180:1103 181:37
182:630 183:210 184:368 185:1 186:1513 187:670
188:928 189:858 190:5193 192:5911 193:5021 194:3528
195:3105 196:1241 197:186 198:3623 199:4142 200:5517
201:1646 202:8575 203:8489 204:4295 205:2364 206:2675
207:2822 208:4036 209:3452 210:2691 211:1457 212:2061
213:1779 214:793 215:90 216:4919 217:1601 218:560
219:339 220:1241 221:513 222:342 223:285

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 15 Oct, 2011

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

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

BGP routing table entries examined: 377646
Prefixes after maximum aggregation: 169419
Deaggregation factor: 2.23
Unique aggregates announced to Internet: 184801
Total ASes present in the Internet Routing Table: 39069
Prefixes per ASN: 9.67
Origin-only ASes present in the Internet Routing Table: 32330
Origin ASes announcing only one prefix: 15494
Transit ASes present in the Internet Routing Table: 5223
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1442
Unregistered ASNs in the Routing Table: 793
Number of 32-bit ASNs allocated by the RIRs: 1853
Number of 32-bit ASNs visible in the Routing Table: 1516
Prefixes from 32-bit ASNs in the Routing Table: 3464
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 89
Number of addresses announced to Internet: 2483714272
Equivalent to 148 /8s, 10 /16s and 120 /24s
Percentage of available address space announced: 67.0
Percentage of allocated address space announced: 67.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.5
Total number of prefixes smaller than registry allocations: 158719

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

Prefixes being announced by APNIC Region ASes: 94500
Total APNIC prefixes after maximum aggregation: 30930
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 90960
Unique aggregates announced from the APNIC address blocks: 37953
APNIC Region origin ASes present in the Internet Routing Table: 4582
APNIC Prefixes per ASN: 19.85
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 702
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 93
Number of APNIC addresses announced to Internet: 628403296
Equivalent to 37 /8s, 116 /16s and 172 /24s
Percentage of available APNIC address space announced: 79.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 145503
Total ARIN prefixes after maximum aggregation: 74267
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 117507
Unique aggregates announced from the ARIN address blocks: 47802
ARIN Region origin ASes present in the Internet Routing Table: 14725
ARIN Prefixes per ASN: 7.98
ARIN Region origin ASes announcing only one prefix: 5665
ARIN Region transit ASes present in the Internet Routing Table: 1559
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804636672
Equivalent to 47 /8s, 245 /16s and 200 /24s
Percentage of available ARIN address space announced: 63.9

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: 90583
Total RIPE prefixes after maximum aggregation: 50537
RIPE Deaggregation factor: 1.79
Prefixes being announced from the RIPE address blocks: 83285
Unique aggregates announced from the RIPE address blocks: 53898
RIPE Region origin ASes present in the Internet Routing Table: 16041
RIPE Prefixes per ASN: 5.19
RIPE Region origin ASes announcing only one prefix: 7967
RIPE Region transit ASes present in the Internet Routing Table: 2509
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1068
Number of RIPE addresses announced to Internet: 490801024
Equivalent to 29 /8s, 65 /16s and 7 /24s
Percentage of available RIPE address space announced: 79.1

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: 34946
Total LACNIC prefixes after maximum aggregation: 7861
LACNIC Deaggregation factor: 4.45
Prefixes being announced from the LACNIC address blocks: 34338
Unique aggregates announced from the LACNIC address blocks: 17889
LACNIC Region origin ASes present in the Internet Routing Table: 1539
LACNIC Prefixes per ASN: 22.31
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 280
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 339
Number of LACNIC addresses announced to Internet: 90805120
Equivalent to 5 /8s, 105 /16s and 147 /24s
Percentage of available LACNIC address space announced: 60.1

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: 8488
Total AfriNIC prefixes after maximum aggregation: 2006
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 6576
Unique aggregates announced from the AfriNIC address blocks: 1966
AfriNIC Region origin ASes present in the Internet Routing Table: 486
AfriNIC Prefixes per ASN: 13.53
AfriNIC Region origin ASes announcing only one prefix: 152
AfriNIC Region transit ASes present in the Internet Routing Table: 105
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27811072
Equivalent to 1 /8s, 168 /16s and 93 /24s
Percentage of available AfriNIC address space announced: 41.4

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 2500 11063 960 Korea Telecom (KIX)
17974 1937 519 33 PT TELEKOMUNIKASI INDONESIA
7545 1612 303 86 TPG Internet Pty Ltd
4755 1540 639 173 TATA Communications formerly
7552 1387 1064 7 Vietel Corporation
9829 1165 989 28 BSNL National Internet Backbo
9583 1087 80 503 Sify Limited
4808 1081 2100 308 CNCGROUP IP network: China169
24560 1018 342 229 Bharti Airtel Ltd., Telemedia
18101 952 165 142 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 3547 3815 221 bellsouth.net, inc.
7029 2119 1016 197 Windstream Communications Inc
18566 2098 383 177 Covad Communications
1785 1836 680 121 PaeTec Communications, Inc.
4323 1631 1083 392 Time Warner Telecom
20115 1591 1541 635 Charter Communications
22773 1461 2907 100 Cox Communications, Inc.
19262 1395 4728 400 Verizon Global Networks
30036 1389 250 673 Mediacom Communications Corp
7018 1343 7079 850 AT&T WorldNet 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
8402 1455 352 13 Corbina telecom
6830 653 1927 415 UPC Distribution Services
34984 582 108 180 BILISIM TELEKOM
20940 544 183 418 Akamai Technologies European
3320 502 8169 384 Deutsche Telekom AG
3292 482 2082 408 TDC Tele Danmark
12479 482 593 7 Uni2 Autonomous System
8866 458 133 26 Bulgarian Telecommunication C
29049 424 31 55 AzerSat LLC.
8551 404 354 44 Bezeq International

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 1681 310 155 TVCABLE BOGOTA
8151 1425 2861 349 UniNet S.A. de C.V.
28573 1376 1015 68 NET Servicos de Comunicao S.A
7303 1164 683 175 Telecom Argentina Stet-France
22047 580 322 17 VTR PUNTO NET S.A.
27947 578 72 83 Telconet S.A
6503 574 450 69 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 527 230 101 Empresa Nacional de Telecomun
11172 522 85 95 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
24863 802 146 36 LINKdotNET AS number
8452 633 446 12 TEDATA
15475 444 74 8 Nile Online
36992 298 415 19 Etisalat MISR
3741 278 938 230 The Internet Solution
15706 244 32 6 Sudatel Internet Exchange Aut
6713 242 519 14 Itissalat Al-MAGHRIB
29571 217 17 13 Ci Telecom Autonomous system
33776 207 13 14 Starcomms Nigeria Limited
12258 198 28 58 Vodacom Internet Company

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 3547 3815 221 bellsouth.net, inc.
4766 2500 11063 960 Korea Telecom (KIX)
7029 2119 1016 197 Windstream Communications Inc
18566 2098 383 177 Covad Communications
17974 1937 519 33 PT TELEKOMUNIKASI INDONESIA
1785 1836 680 121 PaeTec Communications, Inc.
10620 1681 310 155 TVCABLE BOGOTA
4323 1631 1083 392 Time Warner Telecom
7545 1612 303 86 TPG Internet Pty Ltd
20115 1591 1541 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
7029 2119 1922 Windstream Communications Inc
18566 2098 1921 Covad Communications
17974 1937 1904 PT TELEKOMUNIKASI INDONESIA
1785 1836 1715 PaeTec Communications, Inc.
4766 2500 1540 Korea Telecom (KIX)
10620 1681 1526 TVCABLE BOGOTA
7545 1612 1526 TPG Internet Pty Ltd
8402 1455 1442 Corbina telecom
7552 1387 1380 Vietel Corporation
4755 1540 1367 TATA Communications formerly

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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.80.0/24 30977 JSC "Yugra-Telecom"
128.0.81.0/24 30977 JSC "Yugra-Telecom"
128.0.82.0/24 30977 JSC "Yugra-Telecom"
128.0.83.0/24 30977 JSC "Yugra-Telecom"
128.0.84.0/24 30977 JSC "Yugra-Telecom"
128.0.85.0/24 30977 JSC "Yugra-Telecom"
128.0.86.0/24 30977 JSC "Yugra-Telecom"
128.0.87.0/24 30977 JSC "Yugra-Telecom"

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

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<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:235
/13:464 /14:808 /15:1425 /16:11992 /17:6030 /18:10040
/19:19927 /20:27282 /21:27301 /22:36966 /23:35015 /24:196595
/25:1149 /26:1355 /27:745 /28:169 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2186 3547 bellsouth.net, inc.
18566 2047 2098 Covad Communications
7029 1806 2119 Windstream Communications Inc
10620 1576 1681 TVCABLE BOGOTA
8402 1432 1455 Corbina telecom
30036 1351 1389 Mediacom Communications Corp
11492 1115 1153 Cable One
1785 1056 1836 PaeTec Communications, Inc.
7011 1048 1166 Citizens Utilities
22773 949 1461 Cox Communications, Inc.

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

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

1:401 2:479 4:15 5:1 6:3 8:357
12:1954 13:1 14:541 15:11 16:3 17:7
20:9 23:58 24:1682 27:959 31:598 32:65
33:4 34:2 36:4 38:752 40:108 41:2630
42:50 44:3 46:990 47:3 49:268 50:447
52:13 55:6 56:2 57:37 58:876 59:493
60:364 61:1191 62:1093 63:1930 64:4103 65:2306
66:4255 67:1961 68:1156 69:3228 70:883 71:377
72:1863 74:2572 75:378 76:346 77:897 78:862
79:479 80:1124 81:825 82:500 83:536 84:637
85:1117 86:397 87:902 88:354 89:1590 90:269
91:4199 92:527 93:1512 94:1303 95:1046 96:438
97:283 98:908 99:37 101:214 103:359 106:70
107:66 108:54 109:1059 110:667 111:793 112:327
113:480 114:602 115:699 116:879 117:715 118:898
119:1240 120:339 121:693 122:1565 123:1032 124:1363
125:1385 128:256 129:178 130:166 131:587 132:121
133:21 134:218 135:54 136:213 137:139 138:289
139:120 140:488 141:294 142:389 143:428 144:493
145:63 146:473 147:215 148:635 149:258 150:164
151:192 152:448 153:178 154:7 155:387 156:207
157:359 158:151 159:476 160:321 161:214 162:339
163:175 164:509 165:364 166:536 167:435 168:745
169:145 170:872 171:85 172:4 173:1691 174:669
175:423 176:272 177:322 178:1054 180:1115 181:36
182:635 183:215 184:371 185:1 186:1284 187:666
188:928 189:850 190:5096 192:5905 193:5023 194:3544
195:3093 196:1235 197:169 198:3631 199:4152 200:5519
201:1655 202:8566 203:8477 204:4290 205:2366 206:2672
207:2821 208:4049 209:3594 210:2681 211:1454 212:2048
213:1768 214:796 215:90 216:4985 217:1617 218:561
219:336 220:1241 221:515 222:344 223:280

End of report
Re: Weekly Routing Table Report [ In reply to ]
On 10/14/2011 03:21 PM, Routing Analysis Role Account wrote:
> 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
> 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
> 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
> 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
> 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
> 32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
>
> Complete listing at http://thyme.rand.apnic.net/current/data-badAS
>
> Prefixes from private and non-routed address space (Global)
> -----------------------------------------------------------
>
> Prefix Origin AS Description
> 128.0.80.0/24 30977 JSC "Yugra-Telecom"
> 128.0.81.0/24 30977 JSC "Yugra-Telecom"
> 128.0.82.0/24 30977 JSC "Yugra-Telecom"
> 128.0.83.0/24 30977 JSC "Yugra-Telecom"
> 128.0.84.0/24 30977 JSC "Yugra-Telecom"
> 128.0.85.0/24 30977 JSC "Yugra-Telecom"
> 128.0.86.0/24 30977 JSC "Yugra-Telecom"
> 128.0.87.0/24 30977 JSC "Yugra-Telecom"
>
> Complete listing at http://thyme.rand.apnic.net/current/data-dsua
>
> 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<<
> 62.61.220.0/24 24974 Tachyon Europe BV - Wireless
> 62.61.221.0/24 24974 Tachyon Europe BV - Wireless
>
> Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA


Maybe I'm just not in the know on this but if these prefixes/ASes
shouldn't be seen on the internet, shouldn't there be more of a public
flogging to remove them?
Re: Weekly Routing Table Report [ In reply to ]
On Fri, 14 Oct 2011, ML wrote:

> On 10/14/2011 03:21 PM, Routing Analysis Role Account wrote:
>> List of Unregistered Origin ASNs (Global)
>> -----------------------------------------
> Maybe I'm just not in the know on this but if these prefixes/ASes shouldn't
> be seen on the internet, shouldn't there be more of a public flogging to
> remove them?

Been there. Done that. See from 2003:
http://www.nanog.org/meetings/nanog27/presentations/hank.pdf

I had been doing this for over a decade and gave up a few years ago.
Bottom line: No one gives a sh*t. Consider it all part of the background
noise the Internet generates.

Regards,
Hank
RE: Weekly Routing Table Report [ In reply to ]
ML Wrote;
> On 10/14/2011 03:21 PM, Routing Analysis Role Account wrote:

[...]

> > Prefixes from private and non-routed address space (Global)
> > -----------------------------------------------------------
> >
> > Prefix Origin AS Description
> > 128.0.80.0/24 30977 JSC "Yugra-Telecom"
> > 128.0.81.0/24 30977 JSC "Yugra-Telecom"
> > 128.0.82.0/24 30977 JSC "Yugra-Telecom"
> > 128.0.83.0/24 30977 JSC "Yugra-Telecom"
> > 128.0.84.0/24 30977 JSC "Yugra-Telecom"
> > 128.0.85.0/24 30977 JSC "Yugra-Telecom"
> > 128.0.86.0/24 30977 JSC "Yugra-Telecom"
> > 128.0.87.0/24 30977 JSC "Yugra-Telecom"

This one seems to be an error. 128.0.80/21 appears to have been allocated on 5 October, nine days before the report was generated.

[...]

> Maybe I'm just not in the know on this but if these prefixes/ASes
> shouldn't be seen on the internet, shouldn't there be more of a public
> flogging to remove them?

The report is not 100% accurate. Some of the resources listed do appear to be used without being registered but not all of them.

Regards,

Leo
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 22 Oct, 2011

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

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

BGP routing table entries examined: 380496
Prefixes after maximum aggregation: 169790
Deaggregation factor: 2.24
Unique aggregates announced to Internet: 185657
Total ASes present in the Internet Routing Table: 39145
Prefixes per ASN: 9.72
Origin-only ASes present in the Internet Routing Table: 32357
Origin ASes announcing only one prefix: 15520
Transit ASes present in the Internet Routing Table: 5252
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1488
Unregistered ASNs in the Routing Table: 824
Number of 32-bit ASNs allocated by the RIRs: 1876
Number of 32-bit ASNs visible in the Routing Table: 1536
Prefixes from 32-bit ASNs in the Routing Table: 3535
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 90
Number of addresses announced to Internet: 2485983008
Equivalent to 148 /8s, 45 /16s and 23 /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: 91.5
Total number of prefixes smaller than registry allocations: 160795

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

Prefixes being announced by APNIC Region ASes: 94637
Total APNIC prefixes after maximum aggregation: 30888
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 91103
Unique aggregates announced from the APNIC address blocks: 37995
APNIC Region origin ASes present in the Internet Routing Table: 4582
APNIC Prefixes per ASN: 19.88
APNIC Region origin ASes announcing only one prefix: 1263
APNIC Region transit ASes present in the Internet Routing Table: 714
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 95
Number of APNIC addresses announced to Internet: 628909152
Equivalent to 37 /8s, 124 /16s and 100 /24s
Percentage of available APNIC address space announced: 79.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 145635
Total ARIN prefixes after maximum aggregation: 74451
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 117542
Unique aggregates announced from the ARIN address blocks: 48144
ARIN Region origin ASes present in the Internet Routing Table: 14743
ARIN Prefixes per ASN: 7.97
ARIN Region origin ASes announcing only one prefix: 5665
ARIN Region transit ASes present in the Internet Routing Table: 1556
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804723200
Equivalent to 47 /8s, 247 /16s and 26 /24s
Percentage of available ARIN address space announced: 64.0

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: 92842
Total RIPE prefixes after maximum aggregation: 50711
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 85517
Unique aggregates announced from the RIPE address blocks: 54134
RIPE Region origin ASes present in the Internet Routing Table: 16065
RIPE Prefixes per ASN: 5.32
RIPE Region origin ASes announcing only one prefix: 7986
RIPE Region transit ASes present in the Internet Routing Table: 2526
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1077
Number of RIPE addresses announced to Internet: 491110080
Equivalent to 29 /8s, 69 /16s and 190 /24s
Percentage of available RIPE address space announced: 79.1

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: 35142
Total LACNIC prefixes after maximum aggregation: 7851
LACNIC Deaggregation factor: 4.48
Prefixes being announced from the LACNIC address blocks: 34589
Unique aggregates announced from the LACNIC address blocks: 18057
LACNIC Region origin ASes present in the Internet Routing Table: 1541
LACNIC Prefixes per ASN: 22.45
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 278
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 348
Number of LACNIC addresses announced to Internet: 91696512
Equivalent to 5 /8s, 119 /16s and 45 /24s
Percentage of available LACNIC address space announced: 60.7

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: 8532
Total AfriNIC prefixes after maximum aggregation: 2017
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 6607
Unique aggregates announced from the AfriNIC address blocks: 1982
AfriNIC Region origin ASes present in the Internet Routing Table: 493
AfriNIC Prefixes per ASN: 13.40
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 109
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27836672
Equivalent to 1 /8s, 168 /16s and 193 /24s
Percentage of available AfriNIC address space announced: 41.5

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 2502 11095 963 Korea Telecom (KIX)
17974 1888 519 33 PT TELEKOMUNIKASI INDONESIA
7545 1610 303 85 TPG Internet Pty Ltd
4755 1538 636 172 TATA Communications formerly
7552 1389 1064 8 Vietel Corporation
9829 1166 989 28 BSNL National Internet Backbo
9583 1094 80 498 Sify Limited
4808 1082 2101 308 CNCGROUP IP network: China169
24560 966 343 220 Bharti Airtel Ltd., Telemedia
18101 952 166 148 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 3545 3814 220 bellsouth.net, inc.
7029 2287 1016 197 Windstream Communications Inc
18566 2098 383 177 Covad Communications
1785 1839 680 122 PaeTec Communications, Inc.
4323 1628 1084 393 Time Warner Telecom
20115 1589 1542 623 Charter Communications
22773 1462 2907 100 Cox Communications, Inc.
19262 1395 4728 400 Verizon Global Networks
30036 1395 251 672 Mediacom Communications Corp
7018 1322 7030 866 AT&T WorldNet 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
3352 2203 2317 51 Ibernet, Internet Access Netw
8402 1484 352 13 Corbina telecom
6830 653 1927 415 UPC Distribution Services
34984 584 108 180 BILISIM TELEKOM
20940 548 182 422 Akamai Technologies European
3320 504 8169 384 Deutsche Telekom AG
3292 481 2080 408 TDC Tele Danmark
12479 478 593 7 Uni2 Autonomous System
8866 459 133 26 Bulgarian Telecommunication C
29049 423 31 55 AzerSat LLC.

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 1694 313 155 TVCABLE BOGOTA
28573 1442 1032 69 NET Servicos de Comunicao S.A
8151 1430 2913 352 UniNet S.A. de C.V.
7303 1227 747 177 Telecom Argentina Stet-France
27947 588 72 83 Telconet S.A
22047 580 322 17 VTR PUNTO NET S.A.
6503 569 450 69 AVANTEL, S.A.
7738 552 1050 31 Telecomunicacoes da Bahia S.A
3816 541 233 96 Empresa Nacional de Telecomun
11172 522 85 95 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
24863 802 146 36 LINKdotNET AS number
8452 641 446 12 TEDATA
15475 443 74 8 Nile Online
36992 297 415 21 Etisalat MISR
3741 280 939 229 The Internet Solution
6713 244 519 14 Itissalat Al-MAGHRIB
15706 240 32 6 Sudatel Internet Exchange Aut
29571 217 17 13 Ci Telecom Autonomous system
33776 208 13 14 Starcomms Nigeria Limited
12258 196 28 57 Vodacom Internet Company

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 3545 3814 220 bellsouth.net, inc.
4766 2502 11095 963 Korea Telecom (KIX)
7029 2287 1016 197 Windstream Communications Inc
3352 2203 2317 51 Ibernet, Internet Access Netw
18566 2098 383 177 Covad Communications
17974 1888 519 33 PT TELEKOMUNIKASI INDONESIA
1785 1839 680 122 PaeTec Communications, Inc.
10620 1694 313 155 TVCABLE BOGOTA
4323 1628 1084 393 Time Warner Telecom
7545 1610 303 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
3352 2203 2152 Ibernet, Internet Access Netw
7029 2287 2090 Windstream Communications Inc
18566 2098 1921 Covad Communications
17974 1888 1855 PT TELEKOMUNIKASI INDONESIA
1785 1839 1717 PaeTec Communications, Inc.
4766 2502 1539 Korea Telecom (KIX)
10620 1694 1539 TVCABLE BOGOTA
7545 1610 1525 TPG Internet Pty Ltd
8402 1484 1471 Corbina telecom
7552 1389 1381 Vietel Corporation

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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:235
/13:464 /14:808 /15:1425 /16:12014 /17:6038 /18:10044
/19:19947 /20:27466 /21:27612 /22:37390 /23:35908 /24:197611
/25:1158 /26:1332 /27:739 /28:157 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2185 3545 bellsouth.net, inc.
18566 2047 2098 Covad Communications
7029 1959 2287 Windstream Communications Inc
3352 1751 2203 Ibernet, Internet Access Netw
10620 1589 1694 TVCABLE BOGOTA
8402 1460 1484 Corbina telecom
30036 1357 1395 Mediacom Communications Corp
11492 1118 1156 Cable One
1785 1057 1839 PaeTec Communications, Inc.
7011 1048 1166 Citizens Utilities

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

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

1:407 2:482 4:15 5:1 6:3 8:361
12:1955 13:1 14:540 15:11 16:3 17:7
20:9 23:59 24:1676 27:964 31:604 32:65
33:4 34:2 36:4 38:755 40:110 41:2668
42:53 44:3 46:999 47:3 49:296 50:441
52:13 55:6 56:2 57:37 58:880 59:493
60:362 61:1180 62:1085 63:1956 64:4048 65:2310
66:4285 67:1980 68:1152 69:3193 70:892 71:379
72:1802 74:2573 75:389 76:320 77:888 78:861
79:481 80:1590 81:941 82:494 83:575 84:621
85:1119 86:405 87:894 88:418 89:1598 90:235
91:4210 92:527 93:1536 94:1308 95:1078 96:437
97:284 98:918 99:37 101:211 103:390 106:70
107:73 108:72 109:1050 110:671 111:789 112:331
113:488 114:610 115:706 116:881 117:720 118:900
119:1251 120:340 121:692 122:1569 123:1018 124:1355
125:1384 128:249 129:177 130:165 131:593 132:145
133:21 134:219 135:54 136:213 137:140 138:284
139:123 140:488 141:298 142:387 143:432 144:494
145:63 146:469 147:215 148:641 149:267 150:166
151:192 152:447 153:178 154:7 155:386 156:206
157:362 158:153 159:479 160:324 161:214 162:340
163:172 164:509 165:369 166:537 167:438 168:742
169:146 170:872 171:86 172:4 173:1703 174:684
175:426 176:271 177:338 178:1064 180:1092 181:36
182:649 183:218 184:385 185:1 186:1299 187:704
188:934 189:875 190:5096 192:5916 193:5039 194:3562
195:3102 196:1253 197:164 198:3625 199:4167 200:5485
201:1650 202:8546 203:8491 204:4293 205:2364 206:2687
207:2829 208:4029 209:3573 210:2693 211:1452 212:2079
213:1800 214:786 215:96 216:4925 217:1617 218:564
219:343 220:1243 221:514 222:345 223:274

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 29 Oct, 2011

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

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

BGP routing table entries examined: 379556
Prefixes after maximum aggregation: 166311
Deaggregation factor: 2.28
Unique aggregates announced to Internet: 186116
Total ASes present in the Internet Routing Table: 39180
Prefixes per ASN: 9.69
Origin-only ASes present in the Internet Routing Table: 32352
Origin ASes announcing only one prefix: 15498
Transit ASes present in the Internet Routing Table: 5266
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1580
Unregistered ASNs in the Routing Table: 843
Number of 32-bit ASNs allocated by the RIRs: 1911
Number of 32-bit ASNs visible in the Routing Table: 1562
Prefixes from 32-bit ASNs in the Routing Table: 3627
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 95
Number of addresses announced to Internet: 2489057440
Equivalent to 148 /8s, 92 /16s and 0 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.5
Total number of prefixes smaller than registry allocations: 159572

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

Prefixes being announced by APNIC Region ASes: 94855
Total APNIC prefixes after maximum aggregation: 30982
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 91300
Unique aggregates announced from the APNIC address blocks: 38074
APNIC Region origin ASes present in the Internet Routing Table: 4590
APNIC Prefixes per ASN: 19.89
APNIC Region origin ASes announcing only one prefix: 1266
APNIC Region transit ASes present in the Internet Routing Table: 721
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 98
Number of APNIC addresses announced to Internet: 629428896
Equivalent to 37 /8s, 132 /16s and 82 /24s
Percentage of available APNIC address space announced: 79.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 145811
Total ARIN prefixes after maximum aggregation: 74492
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 117702
Unique aggregates announced from the ARIN address blocks: 48191
ARIN Region origin ASes present in the Internet Routing Table: 14743
ARIN Prefixes per ASN: 7.98
ARIN Region origin ASes announcing only one prefix: 5663
ARIN Region transit ASes present in the Internet Routing Table: 1558
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804671488
Equivalent to 47 /8s, 246 /16s and 80 /24s
Percentage of available ARIN address space announced: 63.9

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: 91098
Total RIPE prefixes after maximum aggregation: 50841
RIPE Deaggregation factor: 1.79
Prefixes being announced from the RIPE address blocks: 83738
Unique aggregates announced from the RIPE address blocks: 54302
RIPE Region origin ASes present in the Internet Routing Table: 16072
RIPE Prefixes per ASN: 5.21
RIPE Region origin ASes announcing only one prefix: 7969
RIPE Region transit ASes present in the Internet Routing Table: 2528
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1092
Number of RIPE addresses announced to Internet: 491265472
Equivalent to 29 /8s, 72 /16s and 29 /24s
Percentage of available RIPE address space announced: 79.1

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: 35470
Total LACNIC prefixes after maximum aggregation: 7898
LACNIC Deaggregation factor: 4.49
Prefixes being announced from the LACNIC address blocks: 34922
Unique aggregates announced from the LACNIC address blocks: 18132
LACNIC Region origin ASes present in the Internet Routing Table: 1540
LACNIC Prefixes per ASN: 22.68
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 283
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 356
Number of LACNIC addresses announced to Internet: 92626368
Equivalent to 5 /8s, 133 /16s and 93 /24s
Percentage of available LACNIC address space announced: 61.3

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: 8526
Total AfriNIC prefixes after maximum aggregation: 2021
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 6631
Unique aggregates announced from the AfriNIC address blocks: 1988
AfriNIC Region origin ASes present in the Internet Routing Table: 495
AfriNIC Prefixes per ASN: 13.40
AfriNIC Region origin ASes announcing only one prefix: 158
AfriNIC Region transit ASes present in the Internet Routing Table: 107
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27830528
Equivalent to 1 /8s, 168 /16s and 169 /24s
Percentage of available AfriNIC address space announced: 41.5

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 2507 11096 967 Korea Telecom (KIX)
17974 1884 519 33 PT TELEKOMUNIKASI INDONESIA
7545 1611 303 84 TPG Internet Pty Ltd
4755 1539 637 174 TATA Communications formerly
7552 1393 1064 8 Vietel Corporation
9829 1166 989 28 BSNL National Internet Backbo
9583 1091 80 499 Sify Limited
4808 1090 2103 312 CNCGROUP IP network: China169
24560 964 342 218 Bharti Airtel Ltd., Telemedia
18101 953 166 150 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 3544 3814 220 bellsouth.net, inc.
7029 2329 1016 197 Windstream Communications Inc
18566 2097 383 177 Covad Communications
1785 1841 680 122 PaeTec Communications, Inc.
4323 1623 1078 388 Time Warner Telecom
20115 1595 1546 620 Charter Communications
22773 1458 2907 100 Cox Communications, Inc.
19262 1395 4728 400 Verizon Global Networks
30036 1393 253 671 Mediacom Communications Corp
7018 1317 7029 861 AT&T WorldNet 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
8402 1500 352 13 Corbina telecom
6830 653 1927 415 UPC Distribution Services
34984 590 108 180 BILISIM TELEKOM
20940 547 182 422 Akamai Technologies European
3320 506 8169 386 Deutsche Telekom AG
12479 479 596 9 Uni2 Autonomous System
3292 478 2074 405 TDC Tele Danmark
8866 461 133 26 Bulgarian Telecommunication C
8551 403 354 44 Bezeq International
31148 401 21 111 FreeNet ISP

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 1699 314 156 TVCABLE BOGOTA
28573 1473 1040 72 NET Servicos de Comunicao S.A
8151 1417 2927 348 UniNet S.A. de C.V.
7303 1231 748 177 Telecom Argentina Stet-France
27947 588 72 83 Telconet S.A
22047 580 322 17 VTR PUNTO NET S.A.
6503 572 450 69 AVANTEL, S.A.
7738 552 1050 31 Telecomunicacoes da Bahia S.A
3816 538 233 95 Empresa Nacional de Telecomun
11172 525 86 96 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
24863 802 146 36 LINKdotNET AS number
8452 651 446 12 TEDATA
15475 444 74 8 Nile Online
36992 299 415 20 Etisalat MISR
3741 280 939 229 The Internet Solution
6713 244 519 14 Itissalat Al-MAGHRIB
15706 240 32 6 Sudatel Internet Exchange Aut
33776 221 13 8 Starcomms Nigeria Limited
29571 219 18 14 Ci Telecom Autonomous system
12258 196 28 57 Vodacom Internet Company

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 3544 3814 220 bellsouth.net, inc.
4766 2507 11096 967 Korea Telecom (KIX)
7029 2329 1016 197 Windstream Communications Inc
18566 2097 383 177 Covad Communications
17974 1884 519 33 PT TELEKOMUNIKASI INDONESIA
1785 1841 680 122 PaeTec Communications, Inc.
10620 1699 314 156 TVCABLE BOGOTA
4323 1623 1078 388 Time Warner Telecom
7545 1611 303 84 TPG Internet Pty Ltd
20115 1595 1546 620 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
7029 2329 2132 Windstream Communications Inc
18566 2097 1920 Covad Communications
17974 1884 1851 PT TELEKOMUNIKASI INDONESIA
1785 1841 1719 PaeTec Communications, Inc.
10620 1699 1543 TVCABLE BOGOTA
4766 2507 1540 Korea Telecom (KIX)
7545 1611 1527 TPG Internet Pty Ltd
8402 1500 1487 Corbina telecom
28573 1473 1401 NET Servicos de Comunicao S.A
7552 1393 1385 Vietel Corporation

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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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
41.79.132.0/23 30969 Zimbabwe OnLine (Private) Ltd
41.79.132.0/22 30969 Zimbabwe OnLine (Private) Ltd
41.79.134.0/23 30969 Zimbabwe OnLine (Private) 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 /9:12 /10:27 /11:81 /12:236
/13:465 /14:809 /15:1427 /16:12024 /17:6073 /18:10088
/19:19938 /20:27559 /21:27543 /22:37225 /23:35231 /24:197353
/25:1167 /26:1351 /27:757 /28:162 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2184 3544 bellsouth.net, inc.
18566 2046 2097 Covad Communications
7029 1999 2329 Windstream Communications Inc
10620 1594 1699 TVCABLE BOGOTA
8402 1476 1500 Corbina telecom
30036 1354 1393 Mediacom Communications Corp
11492 1118 1156 Cable One
1785 1056 1841 PaeTec Communications, Inc.
7011 1050 1168 Citizens Utilities
22773 946 1458 Cox Communications, Inc.

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

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

1:411 2:490 4:15 5:1 6:3 8:361
12:1954 13:1 14:544 15:11 16:3 17:7
20:9 23:60 24:1683 27:972 31:626 32:61
33:2 34:2 36:4 38:757 40:110 41:2664
42:53 44:3 46:1007 47:3 49:291 50:438
52:13 55:6 56:2 57:40 58:884 59:494
60:363 61:1174 62:1087 63:1950 64:4058 65:2305
66:4275 67:1982 68:1154 69:3202 70:883 71:382
72:1805 74:2604 75:393 76:318 77:879 78:868
79:452 80:1134 81:838 82:502 83:527 84:619
85:1122 86:403 87:890 88:353 89:1607 90:237
91:4242 92:530 93:1532 94:1302 95:1077 96:434
97:284 98:928 99:37 101:220 103:413 106:70
107:78 108:72 109:1055 110:665 111:795 112:334
113:487 114:617 115:710 116:880 117:721 118:901
119:1262 120:339 121:693 122:1566 123:1016 124:1354
125:1361 128:243 129:185 130:164 131:626 132:146
133:21 134:220 135:54 136:213 137:140 138:286
139:123 140:489 141:309 142:389 143:419 144:495
145:63 146:461 147:216 148:642 149:267 150:167
151:194 152:447 153:178 154:7 155:389 156:208
157:358 158:154 159:484 160:331 161:214 162:341
163:173 164:511 165:370 166:539 167:435 168:742
169:146 170:873 171:86 172:4 173:1718 174:673
175:423 176:282 177:356 178:1079 180:1121 181:36
182:653 183:220 184:379 185:1 186:1301 187:707
188:949 189:867 190:5144 192:5933 193:5037 194:3560
195:3115 196:1230 197:164 198:3627 199:4166 200:5519
201:1687 202:8572 203:8480 204:4306 205:2363 206:2674
207:2824 208:4027 209:3575 210:2713 211:1459 212:2086
213:1777 214:796 215:96 216:4924 217:1602 218:563
219:342 220:1250 221:515 222:343 223:271

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 05 Nov, 2011

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

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

BGP routing table entries examined: 380959
Prefixes after maximum aggregation: 166564
Deaggregation factor: 2.29
Unique aggregates announced to Internet: 187114
Total ASes present in the Internet Routing Table: 39222
Prefixes per ASN: 9.71
Origin-only ASes present in the Internet Routing Table: 32367
Origin ASes announcing only one prefix: 15483
Transit ASes present in the Internet Routing Table: 5264
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1628
Unregistered ASNs in the Routing Table: 862
Number of 32-bit ASNs allocated by the RIRs: 1925
Number of 32-bit ASNs visible in the Routing Table: 1591
Prefixes from 32-bit ASNs in the Routing Table: 3686
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 86
Number of addresses announced to Internet: 2489977408
Equivalent to 148 /8s, 106 /16s and 10 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.6
Total number of prefixes smaller than registry allocations: 160771

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

Prefixes being announced by APNIC Region ASes: 94863
Total APNIC prefixes after maximum aggregation: 31059
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 91315
Unique aggregates announced from the APNIC address blocks: 38279
APNIC Region origin ASes present in the Internet Routing Table: 4595
APNIC Prefixes per ASN: 19.87
APNIC Region origin ASes announcing only one prefix: 1270
APNIC Region transit ASes present in the Internet Routing Table: 716
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 101
Number of APNIC addresses announced to Internet: 629651296
Equivalent to 37 /8s, 135 /16s and 183 /24s
Percentage of available APNIC address space announced: 79.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 145925
Total ARIN prefixes after maximum aggregation: 74475
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 117809
Unique aggregates announced from the ARIN address blocks: 48321
ARIN Region origin ASes present in the Internet Routing Table: 14739
ARIN Prefixes per ASN: 7.99
ARIN Region origin ASes announcing only one prefix: 5639
ARIN Region transit ASes present in the Internet Routing Table: 1559
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804645888
Equivalent to 47 /8s, 245 /16s and 236 /24s
Percentage of available ARIN address space announced: 63.9

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: 91828
Total RIPE prefixes after maximum aggregation: 51035
RIPE Deaggregation factor: 1.80
Prefixes being announced from the RIPE address blocks: 84299
Unique aggregates announced from the RIPE address blocks: 54500
RIPE Region origin ASes present in the Internet Routing Table: 16084
RIPE Prefixes per ASN: 5.24
RIPE Region origin ASes announcing only one prefix: 7968
RIPE Region transit ASes present in the Internet Routing Table: 2531
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1108
Number of RIPE addresses announced to Internet: 491707840
Equivalent to 29 /8s, 78 /16s and 221 /24s
Percentage of available RIPE address space announced: 79.2

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: 35936
Total LACNIC prefixes after maximum aggregation: 7912
LACNIC Deaggregation factor: 4.54
Prefixes being announced from the LACNIC address blocks: 35352
Unique aggregates announced from the LACNIC address blocks: 18553
LACNIC Region origin ASes present in the Internet Routing Table: 1545
LACNIC Prefixes per ASN: 22.88
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 281
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 366
Number of LACNIC addresses announced to Internet: 92827520
Equivalent to 5 /8s, 136 /16s and 111 /24s
Percentage of available LACNIC address space announced: 61.5

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: 8537
Total AfriNIC prefixes after maximum aggregation: 2007
AfriNIC Deaggregation factor: 4.25
Prefixes being announced from the AfriNIC address blocks: 6608
Unique aggregates announced from the AfriNIC address blocks: 1974
AfriNIC Region origin ASes present in the Internet Routing Table: 491
AfriNIC Prefixes per ASN: 13.46
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 108
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27570432
Equivalent to 1 /8s, 164 /16s and 177 /24s
Percentage of available AfriNIC address space announced: 41.1

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 2514 11129 974 Korea Telecom (KIX)
17974 1630 511 36 PT TELEKOMUNIKASI INDONESIA
7545 1614 303 87 TPG Internet Pty Ltd
4755 1548 637 174 TATA Communications formerly
7552 1394 1064 7 Vietel Corporation
9829 1166 989 28 BSNL National Internet Backbo
9583 1092 80 500 Sify Limited
4808 1090 2103 312 CNCGROUP IP network: China169
24560 964 343 218 Bharti Airtel Ltd., Telemedia
18101 954 135 150 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 3547 3814 223 bellsouth.net, inc.
7029 2337 1016 198 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1844 680 122 PaeTec Communications, Inc.
4323 1623 1078 389 Time Warner Telecom
20115 1596 1547 621 Charter Communications
22773 1462 2907 100 Cox Communications, Inc.
30036 1402 254 671 Mediacom Communications Corp
19262 1395 4728 400 Verizon Global Networks
7018 1317 7045 862 AT&T WorldNet 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
8402 1449 416 14 Corbina telecom
6830 650 1927 414 UPC Distribution Services
34984 596 110 184 BILISIM TELEKOM
12479 545 628 51 Uni2 Autonomous System
20940 542 179 425 Akamai Technologies European
3320 507 8169 387 Deutsche Telekom AG
3292 481 2074 406 TDC Tele Danmark
8866 461 133 26 Bulgarian Telecommunication C
31148 406 22 114 FreeNet ISP
8551 402 354 43 Bezeq International

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 1699 314 156 TVCABLE BOGOTA
28573 1479 1043 79 NET Servicos de Comunicao S.A
8151 1430 2937 346 UniNet S.A. de C.V.
7303 1236 751 171 Telecom Argentina Stet-France
27947 591 72 84 Telconet S.A
22047 580 322 17 VTR PUNTO NET S.A.
6503 565 434 68 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 537 233 95 Empresa Nacional de Telecomun
11172 524 85 95 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
24863 801 146 36 LINKdotNET AS number
8452 652 446 12 TEDATA
15475 443 74 8 Nile Online
36992 285 415 21 Etisalat MISR
3741 281 939 230 The Internet Solution
15706 240 32 6 Sudatel Internet Exchange Aut
33776 239 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 218 17 13 Ci Telecom Autonomous system
12258 196 28 57 Vodacom Internet Company

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 3547 3814 223 bellsouth.net, inc.
4766 2514 11129 974 Korea Telecom (KIX)
7029 2337 1016 198 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1844 680 122 PaeTec Communications, Inc.
10620 1699 314 156 TVCABLE BOGOTA
17974 1630 511 36 PT TELEKOMUNIKASI INDONESIA
4323 1623 1078 389 Time Warner Telecom
7545 1614 303 87 TPG Internet Pty Ltd
20115 1596 1547 621 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
7029 2337 2139 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1844 1722 PaeTec Communications, Inc.
17974 1630 1594 PT TELEKOMUNIKASI INDONESIA
10620 1699 1543 TVCABLE BOGOTA
4766 2514 1540 Korea Telecom (KIX)
7545 1614 1527 TPG Internet Pty Ltd
8402 1449 1435 Corbina telecom
28573 1479 1400 NET Servicos de Comunicao S.A
7552 1394 1387 Vietel Corporation

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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.0.0/16 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

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

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<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:236
/13:465 /14:809 /15:1422 /16:12027 /17:6052 /18:10085
/19:19946 /20:27559 /21:27705 /22:37171 /23:35262 /24:198635
/25:1153 /26:1357 /27:761 /28:166 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
6389 2187 3547 bellsouth.net, inc.
18566 2043 2094 Covad Communications
7029 2005 2337 Windstream Communications Inc
10620 1594 1699 TVCABLE BOGOTA
8402 1424 1449 Corbina telecom
30036 1363 1402 Mediacom Communications Corp
11492 1117 1155 Cable One
1785 1057 1844 PaeTec Communications, Inc.
7011 1051 1169 Citizens Utilities
22773 950 1462 Cox Communications, Inc.

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

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

1:416 2:476 4:15 5:1 6:3 8:361
12:1955 13:1 14:541 15:11 16:3 17:7
20:9 23:58 24:1682 27:1024 31:673 32:65
33:2 34:2 36:4 38:758 40:110 41:2691
42:55 44:3 46:1025 47:3 49:299 50:443
52:13 55:6 56:2 57:47 58:902 59:497
60:361 61:1115 62:1086 63:1966 64:4057 65:2302
66:4278 67:2003 68:1163 69:3184 70:882 71:384
72:1802 74:2608 75:388 76:316 77:963 78:874
79:480 80:1131 81:844 82:520 83:528 84:619
85:1153 86:398 87:976 88:356 89:1593 90:235
91:4255 92:535 93:1536 94:1300 95:1088 96:428
97:286 98:936 99:37 101:225 103:432 106:70
107:84 108:72 109:1155 110:661 111:797 112:341
113:486 114:620 115:715 116:882 117:723 118:877
119:1265 120:344 121:695 122:1572 123:1007 124:1352
125:1355 128:245 129:189 130:164 131:627 132:148
133:21 134:221 135:54 136:212 137:142 138:286
139:122 140:489 141:317 142:389 143:410 144:491
145:64 146:465 147:220 148:641 149:267 150:169
151:194 152:447 153:178 154:7 155:385 156:208
157:361 158:155 159:485 160:333 161:214 162:371
163:173 164:511 165:369 166:540 167:439 168:820
169:145 170:880 171:86 172:4 173:1708 174:679
175:417 176:278 177:369 178:1082 180:1139 181:38
182:653 183:221 184:387 185:1 186:1328 187:764
188:1061 189:1147 190:5167 192:5931 193:5050 194:3558
195:3112 196:1265 197:167 198:3629 199:4175 200:5513
201:1695 202:8573 203:8478 204:4315 205:2370 206:2674
207:2820 208:4037 209:3580 210:2720 211:1457 212:2083
213:1780 214:813 215:95 216:4918 217:1603 218:564
219:342 220:1254 221:517 222:322 223:269

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 12 Nov, 2011

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

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

BGP routing table entries examined: 381658
Prefixes after maximum aggregation: 166539
Deaggregation factor: 2.29
Unique aggregates announced to Internet: 187635
Total ASes present in the Internet Routing Table: 39286
Prefixes per ASN: 9.71
Origin-only ASes present in the Internet Routing Table: 32382
Origin ASes announcing only one prefix: 15485
Transit ASes present in the Internet Routing Table: 5290
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1677
Unregistered ASNs in the Routing Table: 881
Number of 32-bit ASNs allocated by the RIRs: 1940
Number of 32-bit ASNs visible in the Routing Table: 1614
Prefixes from 32-bit ASNs in the Routing Table: 3721
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 87
Number of addresses announced to Internet: 2490142976
Equivalent to 148 /8s, 108 /16s and 145 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.6
Total number of prefixes smaller than registry allocations: 161365

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

Prefixes being announced by APNIC Region ASes: 95008
Total APNIC prefixes after maximum aggregation: 31143
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 91456
Unique aggregates announced from the APNIC address blocks: 38380
APNIC Region origin ASes present in the Internet Routing Table: 4602
APNIC Prefixes per ASN: 19.87
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 720
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 107
Number of APNIC addresses announced to Internet: 629934432
Equivalent to 37 /8s, 140 /16s and 9 /24s
Percentage of available APNIC address space announced: 79.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 146101
Total ARIN prefixes after maximum aggregation: 74287
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 118152
Unique aggregates announced from the ARIN address blocks: 48520
ARIN Region origin ASes present in the Internet Routing Table: 14740
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5637
ARIN Region transit ASes present in the Internet Routing Table: 1565
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 804207808
Equivalent to 47 /8s, 239 /16s and 60 /24s
Percentage of available ARIN address space announced: 63.9

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: 92019
Total RIPE prefixes after maximum aggregation: 51066
RIPE Deaggregation factor: 1.80
Prefixes being announced from the RIPE address blocks: 84487
Unique aggregates announced from the RIPE address blocks: 54587
RIPE Region origin ASes present in the Internet Routing Table: 16107
RIPE Prefixes per ASN: 5.25
RIPE Region origin ASes announcing only one prefix: 7977
RIPE Region transit ASes present in the Internet Routing Table: 2539
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1119
Number of RIPE addresses announced to Internet: 491921856
Equivalent to 29 /8s, 82 /16s and 33 /24s
Percentage of available RIPE address space announced: 79.2

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: 36135
Total LACNIC prefixes after maximum aggregation: 7921
LACNIC Deaggregation factor: 4.56
Prefixes being announced from the LACNIC address blocks: 35567
Unique aggregates announced from the LACNIC address blocks: 18567
LACNIC Region origin ASes present in the Internet Routing Table: 1549
LACNIC Prefixes per ASN: 22.96
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 286
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 372
Number of LACNIC addresses announced to Internet: 92919936
Equivalent to 5 /8s, 137 /16s and 216 /24s
Percentage of available LACNIC address space announced: 61.5

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: 8487
Total AfriNIC prefixes after maximum aggregation: 2043
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6576
Unique aggregates announced from the AfriNIC address blocks: 2022
AfriNIC Region origin ASes present in the Internet Routing Table: 496
AfriNIC Prefixes per ASN: 13.26
AfriNIC Region origin ASes announcing only one prefix: 156
AfriNIC Region transit ASes present in the Internet Routing Table: 106
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27687168
Equivalent to 1 /8s, 166 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 41.3

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 2510 11108 968 Korea Telecom (KIX)
17974 1649 511 36 PT TELEKOMUNIKASI INDONESIA
7545 1625 303 88 TPG Internet Pty Ltd
4755 1544 377 172 TATA Communications formerly
7552 1394 1064 7 Vietel Corporation
9829 1166 989 28 BSNL National Internet Backbo
9583 1116 83 512 Sify Limited
4808 1093 2095 313 CNCGROUP IP network: China169
24560 964 343 218 Bharti Airtel Ltd., Telemedia
18101 953 119 149 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 3544 3814 219 bellsouth.net, inc.
7029 2918 1016 199 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1847 680 122 PaeTec Communications, Inc.
4323 1622 1077 387 Time Warner Telecom
20115 1595 1545 624 Charter Communications
22773 1495 2909 102 Cox Communications, Inc.
30036 1415 255 671 Mediacom Communications Corp
19262 1395 4728 400 Verizon Global Networks
7018 1314 7029 862 AT&T WorldNet 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
8402 1519 416 14 Corbina telecom
6830 646 1927 411 UPC Distribution Services
34984 596 110 184 BILISIM TELEKOM
20940 551 182 433 Akamai Technologies European
3320 503 8168 388 Deutsche Telekom AG
3292 479 2074 407 TDC Tele Danmark
12479 479 596 9 Uni2 Autonomous System
8866 463 133 26 Bulgarian Telecommunication C
31148 408 22 114 FreeNet ISP
8551 402 354 43 Bezeq International

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 1706 316 157 TVCABLE BOGOTA
28573 1490 1043 79 NET Servicos de Comunicao S.A
8151 1446 2937 346 UniNet S.A. de C.V.
7303 1238 751 173 Telecom Argentina Stet-France
27947 591 72 84 Telconet S.A
22047 580 322 17 VTR PUNTO NET S.A.
6503 566 434 68 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 539 234 96 Empresa Nacional de Telecomun
11172 525 85 95 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
24863 716 146 36 LINKdotNET AS number
8452 665 446 12 TEDATA
15475 444 74 8 Nile Online
36992 285 415 20 Etisalat MISR
3741 281 939 230 The Internet Solution
15706 240 32 6 Sudatel Internet Exchange Aut
33776 239 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 218 17 13 Ci Telecom Autonomous system
12258 196 28 57 Vodacom Internet Company

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 3544 3814 219 bellsouth.net, inc.
7029 2918 1016 199 Windstream Communications Inc
4766 2510 11108 968 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1847 680 122 PaeTec Communications, Inc.
10620 1706 316 157 TVCABLE BOGOTA
17974 1649 511 36 PT TELEKOMUNIKASI INDONESIA
7545 1625 303 88 TPG Internet Pty Ltd
4323 1622 1077 387 Time Warner Telecom
20115 1595 1545 624 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
7029 2918 2719 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1847 1725 PaeTec Communications, Inc.
17974 1649 1613 PT TELEKOMUNIKASI INDONESIA
10620 1706 1549 TVCABLE BOGOTA
4766 2510 1542 Korea Telecom (KIX)
7545 1625 1537 TPG Internet Pty Ltd
8402 1519 1505 Corbina telecom
28573 1490 1411 NET Servicos de Comunicao S.A
22773 1495 1393 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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.0.0/16 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

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

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 37345 MEDALLION Communications
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:236
/13:465 /14:808 /15:1422 /16:12006 /17:6064 /18:10089
/19:19963 /20:27615 /21:27723 /22:37556 /23:35208 /24:198912
/25:1154 /26:1364 /27:759 /28:166 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
7029 2548 2918 Windstream Communications Inc
6389 2185 3544 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1601 1706 TVCABLE BOGOTA
8402 1495 1519 Corbina telecom
30036 1375 1415 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1057 1847 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
22773 958 1495 Cox Communications, Inc.

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

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

1:408 2:484 4:15 5:1 6:3 8:356
12:1966 13:1 14:547 15:11 16:3 17:7
20:9 23:63 24:1683 27:1031 31:675 32:65
33:2 34:2 36:4 38:756 39:1 40:110
41:2681 42:59 43:1 44:3 46:1050 47:3
49:298 50:449 52:13 55:8 56:2 57:47
58:920 59:496 60:362 61:1131 62:1094 63:1970
64:4065 65:2302 66:4319 67:2019 68:1174 69:3142
70:905 71:387 72:1820 74:2633 75:430 76:319
77:881 78:887 79:479 80:1133 81:836 82:516
83:518 84:621 85:1154 86:400 87:931 88:356
89:1591 90:235 91:4257 92:536 93:1553 94:1303
95:1089 96:427 97:286 98:943 99:37 101:233
103:459 106:7 107:91 108:76 109:1184 110:671
111:807 112:362 113:480 114:623 115:715 116:881
117:722 118:889 119:1266 120:345 121:681 122:1574
123:1019 124:1353 125:1355 128:246 129:184 130:164
131:616 132:151 133:21 134:221 135:54 136:213
137:142 138:287 139:121 140:494 141:253 142:389
143:401 144:495 145:64 146:470 147:219 148:638
149:270 150:164 151:194 152:449 153:172 154:7
155:387 156:208 157:361 158:155 159:489 160:331
161:214 162:374 163:173 164:506 165:368 166:544
167:443 168:820 169:145 170:881 171:87 172:4
173:1742 174:702 175:432 176:297 177:367 178:1100
180:1145 181:38 182:652 183:236 184:393 185:1
186:1401 187:774 188:963 189:1157 190:5188 192:5923
193:5050 194:3554 195:3109 196:1268 197:170 198:3617
199:4206 200:5475 201:1704 202:8553 203:8538 204:4311
205:2370 206:2668 207:2816 208:4025 209:3584 210:2711
211:1463 212:2074 213:1804 214:777 215:96 216:4930
217:1601 218:560 219:343 220:1257 221:515 222:324
223:272

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 19 Nov, 2011

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

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

BGP routing table entries examined: 382518
Prefixes after maximum aggregation: 166913
Deaggregation factor: 2.29
Unique aggregates announced to Internet: 187922
Total ASes present in the Internet Routing Table: 39344
Prefixes per ASN: 9.72
Origin-only ASes present in the Internet Routing Table: 32426
Origin ASes announcing only one prefix: 15480
Transit ASes present in the Internet Routing Table: 5275
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1738
Unregistered ASNs in the Routing Table: 898
Number of 32-bit ASNs allocated by the RIRs: 1966
Number of 32-bit ASNs visible in the Routing Table: 1643
Prefixes from 32-bit ASNs in the Routing Table: 3811
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 85
Number of addresses announced to Internet: 2491183488
Equivalent to 148 /8s, 124 /16s and 113 /24s
Percentage of available address space announced: 67.2
Percentage of allocated address space announced: 67.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.6
Total number of prefixes smaller than registry allocations: 161662

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

Prefixes being announced by APNIC Region ASes: 95270
Total APNIC prefixes after maximum aggregation: 31163
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 91712
Unique aggregates announced from the APNIC address blocks: 38427
APNIC Region origin ASes present in the Internet Routing Table: 4610
APNIC Prefixes per ASN: 19.89
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 709
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: 110
Number of APNIC addresses announced to Internet: 630281568
Equivalent to 37 /8s, 145 /16s and 85 /24s
Percentage of available APNIC address space announced: 79.9

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 145957
Total ARIN prefixes after maximum aggregation: 74487
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118097
Unique aggregates announced from the ARIN address blocks: 48616
ARIN Region origin ASes present in the Internet Routing Table: 14749
ARIN Prefixes per ASN: 8.01
ARIN Region origin ASes announcing only one prefix: 5633
ARIN Region transit ASes present in the Internet Routing Table: 1567
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 803282880
Equivalent to 47 /8s, 225 /16s and 31 /24s
Percentage of available ARIN address space announced: 63.8

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: 92363
Total RIPE prefixes after maximum aggregation: 51229
RIPE Deaggregation factor: 1.80
Prefixes being announced from the RIPE address blocks: 84633
Unique aggregates announced from the RIPE address blocks: 54540
RIPE Region origin ASes present in the Internet Routing Table: 16120
RIPE Prefixes per ASN: 5.25
RIPE Region origin ASes announcing only one prefix: 7983
RIPE Region transit ASes present in the Internet Routing Table: 2536
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1143
Number of RIPE addresses announced to Internet: 492243904
Equivalent to 29 /8s, 87 /16s and 11 /24s
Percentage of available RIPE address space announced: 79.3

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: 36318
Total LACNIC prefixes after maximum aggregation: 7909
LACNIC Deaggregation factor: 4.59
Prefixes being announced from the LACNIC address blocks: 35776
Unique aggregates announced from the LACNIC address blocks: 18643
LACNIC Region origin ASes present in the Internet Routing Table: 1547
LACNIC Prefixes per ASN: 23.13
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 283
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 373
Number of LACNIC addresses announced to Internet: 93166208
Equivalent to 5 /8s, 141 /16s and 154 /24s
Percentage of available LACNIC address space announced: 61.7

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: 8616
Total AfriNIC prefixes after maximum aggregation: 2052
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 6675
Unique aggregates announced from the AfriNIC address blocks: 2049
AfriNIC Region origin ASes present in the Internet Routing Table: 499
AfriNIC Prefixes per ASN: 13.38
AfriNIC Region origin ASes announcing only one prefix: 156
AfriNIC Region transit ASes present in the Internet Routing Table: 108
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27745280
Equivalent to 1 /8s, 167 /16s and 92 /24s
Percentage of available AfriNIC address space announced: 41.3

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 2506 11072 963 Korea Telecom (KIX)
17974 1647 511 36 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 87 TPG Internet Pty Ltd
4755 1528 378 169 TATA Communications formerly
7552 1394 1064 7 Vietel Corporation
9829 1166 989 28 BSNL National Internet Backbo
4808 1097 2073 310 CNCGROUP IP network: China169
9583 1094 80 494 Sify Limited
24560 965 343 218 Bharti Airtel Ltd., Telemedia
18101 952 119 148 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 3543 3814 219 bellsouth.net, inc.
7029 2906 1016 199 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1848 680 121 PaeTec Communications, Inc.
4323 1613 1077 387 Time Warner Telecom
20115 1596 1546 624 Charter Communications
22773 1500 2909 103 Cox Communications, Inc.
30036 1428 257 670 Mediacom Communications Corp
19262 1387 4683 401 Verizon Global Networks
7018 1312 7029 860 AT&T WorldNet 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
8402 1548 416 14 Corbina telecom
6830 646 1927 411 UPC Distribution Services
34984 601 112 188 BILISIM TELEKOM
20940 553 182 435 Akamai Technologies European
3320 512 8168 389 Deutsche Telekom AG
12479 484 596 9 Uni2 Autonomous System
3292 480 2106 408 TDC Tele Danmark
8866 462 133 26 Bulgarian Telecommunication C
8551 415 366 45 Bezeq International
31148 409 22 114 FreeNet ISP

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 1706 316 157 TVCABLE BOGOTA
28573 1500 1044 70 NET Servicos de Comunicao S.A
8151 1448 2972 345 UniNet S.A. de C.V.
7303 1238 751 173 Telecom Argentina Stet-France
27947 602 72 86 Telconet S.A
22047 580 322 17 VTR PUNTO NET S.A.
6503 557 434 68 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 540 234 96 Empresa Nacional de Telecomun
11172 529 85 95 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
24863 778 146 36 LINKdotNET AS number
8452 685 446 12 TEDATA
15475 444 74 8 Nile Online
36992 283 415 21 Etisalat MISR
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
6713 235 519 14 Itissalat Al-MAGHRIB
29571 218 17 13 Ci Telecom Autonomous system
33776 212 13 14 Starcomms Nigeria Limited
12258 196 28 57 Vodacom Internet Company

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 3543 3814 219 bellsouth.net, inc.
7029 2906 1016 199 Windstream Communications Inc
4766 2506 11072 963 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1848 680 121 PaeTec Communications, Inc.
10620 1706 316 157 TVCABLE BOGOTA
17974 1647 511 36 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 87 TPG Internet Pty Ltd
4323 1613 1077 387 Time Warner Telecom
20115 1596 1546 624 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
7029 2906 2707 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1848 1727 PaeTec Communications, Inc.
17974 1647 1611 PT TELEKOMUNIKASI INDONESIA
10620 1706 1549 TVCABLE BOGOTA
4766 2506 1543 Korea Telecom (KIX)
7545 1627 1540 TPG Internet Pty Ltd
8402 1548 1534 Corbina telecom
28573 1500 1430 NET Servicos de Comunicao S.A
22773 1500 1397 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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.0.0/16 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

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

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 37345 MEDALLION Communications
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:236
/13:465 /14:807 /15:1426 /16:12011 /17:6087 /18:10125
/19:20002 /20:27673 /21:27853 /22:37927 /23:35487 /24:198837
/25:1153 /26:1361 /27:758 /28:162 /29:4 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
7029 2535 2906 Windstream Communications Inc
6389 2185 3543 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1601 1706 TVCABLE BOGOTA
8402 1524 1548 Corbina telecom
30036 1388 1428 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1058 1848 PaeTec Communications, Inc.
7011 1050 1167 Citizens Utilities
22773 960 1500 Cox Communications, Inc.

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

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

1:411 2:487 4:15 5:1 6:3 8:355
12:1959 13:1 14:551 15:11 16:3 17:7
20:9 23:63 24:1688 27:1027 31:697 32:65
33:2 34:2 36:4 38:762 39:1 40:109
41:2689 42:61 43:1 44:3 46:1051 47:3
49:295 50:455 52:13 55:8 56:2 57:49
58:927 59:479 60:360 61:1143 62:1095 63:1965
64:4075 65:2301 66:4334 67:2000 68:1170 69:3146
70:904 71:384 72:1816 74:2640 75:429 76:320
77:892 78:891 79:439 80:1123 81:838 82:513
83:518 84:622 85:1150 86:405 87:907 88:357
89:1597 90:235 91:4274 92:539 93:1446 94:1306
95:1115 96:428 97:285 98:805 99:37 101:240
103:489 106:1 107:94 108:81 109:1188 110:674
111:805 112:363 113:497 114:595 115:715 116:879
117:720 118:894 119:1271 120:353 121:670 122:1576
123:1028 124:1367 125:1352 128:247 129:184 130:176
131:630 132:155 133:21 134:228 135:54 136:212
137:146 138:285 139:122 140:492 141:251 142:389
143:400 144:489 145:65 146:470 147:219 148:632
149:263 150:161 151:192 152:449 153:172 154:7
155:390 156:208 157:358 158:158 159:494 160:330
161:215 162:368 163:175 164:511 165:369 166:542
167:444 168:823 169:145 170:879 171:87 172:4
173:1745 174:592 175:432 176:297 177:393 178:1117
180:1147 181:39 182:656 183:239 184:394 185:1
186:1409 187:779 188:980 189:1159 190:5209 192:5933
193:5038 194:3544 195:3108 196:1276 197:166 198:3623
199:4216 200:5533 201:1704 202:8546 203:8549 204:4307
205:2398 206:2592 207:2820 208:4030 209:3577 210:2740
211:1465 212:2010 213:1807 214:815 215:97 216:4923
217:1601 218:577 219:339 220:1253 221:520 222:327
223:279

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 26 Nov, 2011

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

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

BGP routing table entries examined: 383171
Prefixes after maximum aggregation: 167108
Deaggregation factor: 2.29
Unique aggregates announced to Internet: 188188
Total ASes present in the Internet Routing Table: 39373
Prefixes per ASN: 9.73
Origin-only ASes present in the Internet Routing Table: 32422
Origin ASes announcing only one prefix: 15459
Transit ASes present in the Internet Routing Table: 5298
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 1776
Unregistered ASNs in the Routing Table: 904
Number of 32-bit ASNs allocated by the RIRs: 1995
Number of 32-bit ASNs visible in the Routing Table: 1653
Prefixes from 32-bit ASNs in the Routing Table: 3905
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 85
Number of addresses announced to Internet: 2493814272
Equivalent to 148 /8s, 164 /16s and 150 /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: 91.6
Total number of prefixes smaller than registry allocations: 161781

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

Prefixes being announced by APNIC Region ASes: 95482
Total APNIC prefixes after maximum aggregation: 31239
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 91934
Unique aggregates announced from the APNIC address blocks: 38658
APNIC Region origin ASes present in the Internet Routing Table: 4601
APNIC Prefixes per ASN: 19.98
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 713
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 109
Number of APNIC addresses announced to Internet: 630811232
Equivalent to 37 /8s, 153 /16s and 106 /24s
Percentage of available APNIC address space announced: 80.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 145956
Total ARIN prefixes after maximum aggregation: 74537
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118222
Unique aggregates announced from the ARIN address blocks: 48634
ARIN Region origin ASes present in the Internet Routing Table: 14758
ARIN Prefixes per ASN: 8.01
ARIN Region origin ASes announcing only one prefix: 5635
ARIN Region transit ASes present in the Internet Routing Table: 1565
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803548096
Equivalent to 47 /8s, 229 /16s and 43 /24s
Percentage of available ARIN address space announced: 63.9

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: 92793
Total RIPE prefixes after maximum aggregation: 51275
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 84982
Unique aggregates announced from the RIPE address blocks: 54491
RIPE Region origin ASes present in the Internet Routing Table: 16128
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 7973
RIPE Region transit ASes present in the Internet Routing Table: 2549
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1151
Number of RIPE addresses announced to Internet: 492677440
Equivalent to 29 /8s, 93 /16s and 169 /24s
Percentage of available RIPE address space announced: 79.4

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: 36535
Total LACNIC prefixes after maximum aggregation: 7956
LACNIC Deaggregation factor: 4.59
Prefixes being announced from the LACNIC address blocks: 35946
Unique aggregates announced from the LACNIC address blocks: 18739
LACNIC Region origin ASes present in the Internet Routing Table: 1554
LACNIC Prefixes per ASN: 23.13
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 285
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 377
Number of LACNIC addresses announced to Internet: 93623936
Equivalent to 5 /8s, 148 /16s and 150 /24s
Percentage of available LACNIC address space announced: 62.0

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: 8328
Total AfriNIC prefixes after maximum aggregation: 2027
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6387
Unique aggregates announced from the AfriNIC address blocks: 2014
AfriNIC Region origin ASes present in the Internet Routing Table: 499
AfriNIC Prefixes per ASN: 12.80
AfriNIC Region origin ASes announcing only one prefix: 156
AfriNIC Region transit ASes present in the Internet Routing Table: 107
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 27874816
Equivalent to 1 /8s, 169 /16s and 86 /24s
Percentage of available AfriNIC address space announced: 41.5

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 2516 11105 973 Korea Telecom (KIX)
17974 1636 511 36 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4755 1513 376 168 TATA Communications formerly
7552 1384 1064 7 Vietel Corporation
9829 1166 989 28 BSNL National Internet Backbo
9583 1095 80 494 Sify Limited
4808 1081 2072 311 CNCGROUP IP network: China169
24560 966 343 218 Bharti Airtel Ltd., Telemedia
18101 953 119 149 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 3479 3814 217 bellsouth.net, inc.
7029 2909 1016 199 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1849 680 121 PaeTec Communications, Inc.
4323 1613 1078 389 Time Warner Telecom
20115 1600 1546 624 Charter Communications
22773 1502 2909 104 Cox Communications, Inc.
30036 1440 258 676 Mediacom Communications Corp
19262 1387 4683 401 Verizon Global Networks
7018 1314 7030 860 AT&T WorldNet 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
8402 1587 480 15 Corbina telecom
6830 651 1927 412 UPC Distribution Services
34984 612 114 193 BILISIM TELEKOM
20940 557 186 439 Akamai Technologies European
3320 512 8168 389 Deutsche Telekom AG
12479 498 603 18 Uni2 Autonomous System
3292 478 2106 406 TDC Tele Danmark
8866 463 133 26 Bulgarian Telecommunication C
8551 416 366 45 Bezeq International
31148 412 22 116 FreeNet ISP

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 1700 315 179 TVCABLE BOGOTA
28573 1515 1045 71 NET Servicos de Comunicao S.A
8151 1448 2973 342 UniNet S.A. de C.V.
7303 1238 751 173 Telecom Argentina Stet-France
27947 609 72 86 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
6503 553 434 68 AVANTEL, S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
3816 545 236 87 Empresa Nacional de Telecomun
11172 528 85 95 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 897 446 12 TEDATA
24863 781 146 36 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
6713 235 519 14 Itissalat Al-MAGHRIB
29571 218 17 13 Ci Telecom Autonomous system
12258 196 28 57 Vodacom Internet Company
24835 192 80 8 RAYA Telecom - Egypt
16637 157 664 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 3479 3814 217 bellsouth.net, inc.
7029 2909 1016 199 Windstream Communications Inc
4766 2516 11105 973 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1849 680 121 PaeTec Communications, Inc.
10620 1700 315 179 TVCABLE BOGOTA
17974 1636 511 36 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4323 1613 1078 389 Time Warner Telecom
20115 1600 1546 624 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
7029 2909 2710 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1849 1728 PaeTec Communications, Inc.
17974 1636 1600 PT TELEKOMUNIKASI INDONESIA
8402 1587 1572 Corbina telecom
4766 2516 1543 Korea Telecom (KIX)
7545 1626 1540 TPG Internet Pty Ltd
10620 1700 1521 TVCABLE BOGOTA
28573 1515 1444 NET Servicos de Comunicao S.A
22773 1502 1398 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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

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

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 37345 MEDALLION Communications
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 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 /8:19 /9:12 /10:27 /11:81 /12:236
/13:465 /14:809 /15:1434 /16:12028 /17:6089 /18:10141
/19:20013 /20:27720 /21:27902 /22:38036 /23:35600 /24:199083
/25:1163 /26:1365 /27:775 /28:165 /29:3 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
7029 2538 2909 Windstream Communications Inc
6389 2123 3479 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1595 1700 TVCABLE BOGOTA
8402 1562 1587 Corbina telecom
30036 1400 1440 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1058 1849 PaeTec Communications, Inc.
7011 1050 1167 Citizens Utilities
22773 962 1502 Cox Communications, Inc.

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

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

1:421 2:487 4:15 5:1 6:3 8:358
12:1952 13:1 14:555 15:11 16:3 17:7
20:9 23:68 24:1694 27:1036 31:684 32:66
33:2 34:2 36:4 38:767 39:1 40:109
41:2868 42:64 43:1 44:3 46:1098 47:3
49:296 50:450 52:13 55:6 56:2 57:49
58:928 59:486 60:360 61:1167 62:916 63:1966
64:4080 65:2309 66:4345 67:2011 68:1172 69:3148
70:904 71:359 72:1814 74:2650 75:430 76:320
77:897 78:891 79:461 80:1145 81:839 82:523
83:520 84:471 85:1149 86:401 87:908 88:353
89:1596 90:246 91:4287 92:537 93:1438 94:1322
95:1126 96:396 97:285 98:771 99:37 101:247
103:513 106:7 107:97 108:86 109:1201 110:679
111:812 112:363 113:503 114:630 115:714 116:907
117:722 118:876 119:1289 120:353 121:669 122:1562
123:1027 124:1357 125:1354 128:269 129:184 130:174
131:633 132:155 133:21 134:224 135:54 136:212
137:145 138:285 139:122 140:494 141:250 142:379
143:400 144:498 145:66 146:476 147:220 148:641
149:275 150:163 151:191 152:449 153:172 154:7
155:379 156:208 157:360 158:156 159:488 160:333
161:215 162:365 163:175 164:518 165:381 166:540
167:448 168:828 169:145 170:826 171:87 172:4
173:1752 174:581 175:435 176:332 177:403 178:1127
180:1174 181:39 182:664 183:247 184:394 185:1
186:1464 187:783 188:994 189:1160 190:5222 192:5933
193:5057 194:3540 195:3112 196:1277 197:170 198:3614
199:4227 200:5527 201:1701 202:8557 203:8523 204:4308
205:2410 206:2655 207:2837 208:4024 209:3583 210:2741
211:1471 212:2012 213:1803 214:784 215:91 216:4921
217:1478 218:575 219:341 220:1253 221:523 222:327
223:280

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 03 Dec, 2011

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

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

BGP routing table entries examined: 383257
Prefixes after maximum aggregation: 167342
Deaggregation factor: 2.29
Unique aggregates announced to Internet: 188231
Total ASes present in the Internet Routing Table: 39463
Prefixes per ASN: 9.71
Origin-only ASes present in the Internet Routing Table: 32445
Origin ASes announcing only one prefix: 15489
Transit ASes present in the Internet Routing Table: 5326
Transit-only ASes present in the Internet Routing Table: 142
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: 1825
Unregistered ASNs in the Routing Table: 938
Number of 32-bit ASNs allocated by the RIRs: 2031
Number of 32-bit ASNs visible in the Routing Table: 1692
Prefixes from 32-bit ASNs in the Routing Table: 4000
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 86
Number of addresses announced to Internet: 2497290368
Equivalent to 148 /8s, 217 /16s and 160 /24s
Percentage of available address space announced: 67.4
Percentage of allocated address space announced: 67.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.7
Total number of prefixes smaller than registry allocations: 161883

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

Prefixes being announced by APNIC Region ASes: 95145
Total APNIC prefixes after maximum aggregation: 31175
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 91627
Unique aggregates announced from the APNIC address blocks: 38267
APNIC Region origin ASes present in the Internet Routing Table: 4600
APNIC Prefixes per ASN: 19.92
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 727
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 116
Number of APNIC addresses announced to Internet: 631205216
Equivalent to 37 /8s, 159 /16s and 109 /24s
Percentage of available APNIC address space announced: 80.0

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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: 146116
Total ARIN prefixes after maximum aggregation: 74691
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118285
Unique aggregates announced from the ARIN address blocks: 48671
ARIN Region origin ASes present in the Internet Routing Table: 14775
ARIN Prefixes per ASN: 8.01
ARIN Region origin ASes announcing only one prefix: 5644
ARIN Region transit ASes present in the Internet Routing Table: 1574
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 12
Number of ARIN addresses announced to Internet: 803370432
Equivalent to 47 /8s, 226 /16s and 117 /24s
Percentage of available ARIN address space announced: 63.8

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: 92913
Total RIPE prefixes after maximum aggregation: 51424
RIPE Deaggregation factor: 1.81
Prefixes being announced from the RIPE address blocks: 85148
Unique aggregates announced from the RIPE address blocks: 54728
RIPE Region origin ASes present in the Internet Routing Table: 16155
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 7997
RIPE Region transit ASes present in the Internet Routing Table: 2543
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1186
Number of RIPE addresses announced to Internet: 492772928
Equivalent to 29 /8s, 95 /16s and 30 /24s
Percentage of available RIPE address space announced: 79.4

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: 36582
Total LACNIC prefixes after maximum aggregation: 7943
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36006
Unique aggregates announced from the LACNIC address blocks: 18774
LACNIC Region origin ASes present in the Internet Routing Table: 1554
LACNIC Prefixes per ASN: 23.17
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 286
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 374
Number of LACNIC addresses announced to Internet: 94397312
Equivalent to 5 /8s, 160 /16s and 99 /24s
Percentage of available LACNIC address space announced: 62.5

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: 8338
Total AfriNIC prefixes after maximum aggregation: 2041
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 6390
Unique aggregates announced from the AfriNIC address blocks: 2012
AfriNIC Region origin ASes present in the Internet Routing Table: 504
AfriNIC Prefixes per ASN: 12.68
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 110
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30034432
Equivalent to 1 /8s, 202 /16s and 74 /24s
Percentage of available AfriNIC address space announced: 44.8

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 2510 11105 973 Korea Telecom (KIX)
17974 1652 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 87 TPG Internet Pty Ltd
4755 1511 381 157 TATA Communications formerly
7552 1386 1064 7 Vietel Corporation
9829 1166 989 28 BSNL National Internet Backbo
9583 1095 80 494 Sify Limited
4808 1079 2038 305 CNCGROUP IP network: China169
24560 985 390 151 Bharti Airtel Ltd., Telemedia
18101 958 121 155 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 3483 3814 218 bellsouth.net, inc.
7029 2912 1016 199 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1852 680 120 PaeTec Communications, Inc.
4323 1616 1073 386 Time Warner Telecom
20115 1603 1546 625 Charter Communications
22773 1507 2909 104 Cox Communications, Inc.
30036 1435 257 675 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1314 7029 860 AT&T WorldNet 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
8402 1552 480 15 Corbina telecom
6830 645 1927 412 UPC Distribution Services
34984 616 116 195 BILISIM TELEKOM
20940 546 174 437 Akamai Technologies European
3320 517 8168 390 Deutsche Telekom AG
12479 494 601 13 Uni2 Autonomous System
3292 480 2106 407 TDC Tele Danmark
8866 462 133 26 Bulgarian Telecommunication C
8551 451 366 45 Bezeq International
31148 413 22 115 FreeNet ISP

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 1702 315 180 TVCABLE BOGOTA
28573 1537 1059 72 NET Servicos de Comunicao S.A
8151 1334 2985 345 UniNet S.A. de C.V.
7303 1239 751 174 Telecom Argentina Stet-France
27947 606 72 89 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 553 1050 31 Telecomunicacoes da Bahia S.A
6503 552 434 68 AVANTEL, S.A.
3816 547 237 89 Empresa Nacional de Telecomun
11172 527 85 95 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 926 958 13 TEDATA
24863 785 146 35 LINKdotNET AS number
3741 281 939 230 The Internet Solution
15706 242 32 6 Sudatel Internet Exchange Aut
6713 235 519 14 Itissalat Al-MAGHRIB
33776 231 13 10 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 190 80 8 RAYA Telecom - Egypt
16637 160 662 82 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 3483 3814 218 bellsouth.net, inc.
7029 2912 1016 199 Windstream Communications Inc
4766 2510 11105 973 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1852 680 120 PaeTec Communications, Inc.
10620 1702 315 180 TVCABLE BOGOTA
17974 1652 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 87 TPG Internet Pty Ltd
4323 1616 1073 386 Time Warner Telecom
20115 1603 1546 625 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
7029 2912 2713 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1852 1732 PaeTec Communications, Inc.
17974 1652 1614 PT TELEKOMUNIKASI INDONESIA
7545 1626 1539 TPG Internet Pty Ltd
4766 2510 1537 Korea Telecom (KIX)
8402 1552 1537 Corbina telecom
10620 1702 1522 TVCABLE BOGOTA
28573 1537 1465 NET Servicos de Comunicao S.A
22773 1507 1403 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
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
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project

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

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

Network Origin AS Description
41.222.79.0/24 37345 MEDALLION Communications
41.223.92.0/22 36936 >>UNKNOWN<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.21.192.0/20 11610 Internet Nebraska Corporation
64.21.212.0/22 11610 Internet Nebraska Corporation
64.21.216.0/21 11610 Internet Nebraska Corporation
66.171.32.0/20 705 UUNET Technologies, Inc.
66.175.222.0/23 30058 FDC Servers.net, LLC
66.180.239.0/24 35888 VIGNETTE CORPORATION

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 /10:27 /11:81 /12:236
/13:463 /14:807 /15:1437 /16:12055 /17:6113 /18:10143
/19:20053 /20:27738 /21:28008 /22:38142 /23:35692 /24:198843
/25:1181 /26:1400 /27:785 /28:14 /29:3 /30:0
/31:0 /32:5

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

ASN No of nets Total ann. Description
7029 2541 2912 Windstream Communications Inc
6389 2126 3483 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1597 1702 TVCABLE BOGOTA
8402 1527 1552 Corbina telecom
30036 1395 1435 Mediacom Communications Corp
11492 1119 1156 Cable One
1785 1058 1852 PaeTec Communications, Inc.
7011 1048 1165 Citizens Utilities
22773 967 1507 Cox Communications, Inc.

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

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

1:442 2:489 4:15 5:1 6:3 8:359
12:1947 13:1 14:548 15:11 16:3 17:7
20:9 23:69 24:1694 27:1059 31:717 32:67
33:2 34:2 36:4 38:770 39:1 40:114
41:2860 42:66 43:1 44:3 46:1111 47:3
49:292 50:450 52:13 55:6 56:2 57:49
58:939 59:486 60:358 61:1178 62:913 63:1968
64:4049 65:2308 66:4368 67:1998 68:1174 69:3147
70:904 71:361 72:1772 74:2641 75:430 76:320
77:907 78:890 79:438 80:1142 81:834 82:523
83:527 84:471 85:1164 86:410 87:907 88:341
89:1587 90:246 91:4314 92:532 93:1423 94:1327
95:1096 96:397 97:285 98:764 99:37 101:121
103:523 106:7 107:103 108:88 109:1120 110:668
111:818 112:367 113:487 114:622 115:700 116:896
117:708 118:870 119:1229 120:349 121:667 122:1567
123:1019 124:1348 125:1349 128:278 129:185 130:183
131:632 132:155 133:21 134:222 135:54 136:212
137:146 138:287 139:123 140:491 141:253 142:379
143:405 144:498 145:62 146:475 147:221 148:643
149:270 150:166 151:192 152:449 153:171 154:7
155:381 156:209 157:359 158:156 159:523 160:333
161:214 162:364 163:176 164:521 165:385 166:542
167:453 168:823 169:146 170:822 171:87 172:4
173:1767 174:586 175:418 176:329 177:411 178:1150
180:1178 181:39 182:669 183:242 184:399 185:1
186:1478 187:784 188:947 189:1164 190:5286 192:5965
193:5118 194:3555 195:3119 196:1283 197:169 198:3624
199:4235 200:5523 201:1696 202:8474 203:8494 204:4322
205:2409 206:2668 207:2839 208:4011 209:3551 210:2730
211:1473 212:1991 213:1804 214:813 215:92 216:4933
217:1486 218:577 219:340 220:1252 221:525 222:325
223:229

End of report

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