This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 29 Nov, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 275422 Prefixes after maximum aggregation: 131996 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 133443 Total ASes present in the Internet Routing Table: 29927 Prefixes per ASN: 9.20 Origin-only ASes present in the Internet Routing Table: 26053 Origin ASes announcing only one prefix: 12687 Transit ASes present in the Internet Routing Table: 3874 Transit-only ASes present in the Internet Routing Table: 91 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 18 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 542 Unregistered ASNs in the Routing Table: 198 Number of 32-bit ASNs allocated by the RIRs: 65 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 197 Number of addresses announced to Internet: 1965542656 Equivalent to 117 /8s, 39 /16s and 205 /24s Percentage of available address space announced: 53.0 Percentage of allocated address space announced: 63.4 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.5 Total number of prefixes smaller than registry allocations: 136040 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 63222 Total APNIC prefixes after maximum aggregation: 23413 APNIC Deaggregation factor: 2.70 Prefixes being announced from the APNIC address blocks: 60136 Unique aggregates announced from the APNIC address blocks: 27076 APNIC Region origin ASes present in the Internet Routing Table: 3473 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 937 APNIC Region transit ASes present in the Internet Routing Table: 532 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 388651936 Equivalent to 23 /8s, 42 /16s and 91 /24s Percentage of available APNIC address space announced: 77.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 124408 Total ARIN prefixes after maximum aggregation: 64946 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 93756 Unique aggregates announced from the ARIN address blocks: 34783 ARIN Region origin ASes present in the Internet Routing Table: 12620 ARIN Prefixes per ASN: 7.43 ARIN Region origin ASes announcing only one prefix: 4875 ARIN Region transit ASes present in the Internet Routing Table: 1203 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 401999520 Equivalent to 23 /8s, 246 /16s and 6 /24s Percentage of available ARIN address space announced: 82.6 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 ARIN Address Blocks 24/8, 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, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 60604 Total RIPE prefixes after maximum aggregation: 36259 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 56206 Unique aggregates announced from the RIPE address blocks: 37505 RIPE Region origin ASes present in the Internet Routing Table: 12249 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 6452 RIPE Region transit ASes present in the Internet Routing Table: 1870 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 380606560 Equivalent to 22 /8s, 175 /16s and 152 /24s Percentage of available RIPE address space announced: 87.3 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, 47104-49151 RIPE Address Blocks 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 22517 Total LACNIC prefixes after maximum aggregation: 5598 LACNIC Deaggregation factor: 4.02 Prefixes being announced from the LACNIC address blocks: 20539 Unique aggregates announced from the LACNIC address blocks: 11442 LACNIC Region origin ASes present in the Internet Routing Table: 1038 LACNIC Prefixes per ASN: 19.79 LACNIC Region origin ASes announcing only one prefix: 339 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 58459904 Equivalent to 3 /8s, 124 /16s and 7 /24s Percentage of available LACNIC address space announced: 58.1 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 4151 Total AfriNIC prefixes after maximum aggregation: 1350 AfriNIC Deaggregation factor: 3.07 Prefixes being announced from the AfriNIC address blocks: 4453 Unique aggregates announced from the AfriNIC address blocks: 2199 AfriNIC Region origin ASes present in the Internet Routing Table: 271 AfriNIC Prefixes per ASN: 16.43 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 13028352 Equivalent to 0 /8s, 198 /16s and 204 /24s Percentage of available AfriNIC address space announced: 25.9 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 17488 1442 101 104 Hathway IP Over Cable Interne 4766 1270 6409 364 Korea Telecom (KIX) 4755 1166 474 154 TATA Communications formerly 9583 1135 88 481 Sify Limited 4134 907 15536 371 CHINANET-BACKBONE 23577 803 34 692 Korea Telecom (ATM-MPLS) 18101 787 168 32 Reliance Infocom Ltd Internet 4780 727 357 63 Digital United Inc. 9498 688 295 50 BHARTI BT INTERNET LTD. 7545 649 152 82 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4376 3434 344 bellsouth.net, inc. 209 2988 4032 620 Qwest 6298 2168 334 632 Cox Communicatons 20115 1841 1460 737 Charter Communications 1785 1701 717 154 PaeTec Communications, Inc. 6478 1609 369 198 AT&T Worldnet Services 2386 1595 701 901 AT&T Data Communications Serv 4323 1592 1068 378 Time Warner Telecom 7018 1421 5872 982 AT&T WorldNet Services 11492 1219 192 12 Cable One Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 432 1765 382 TDC Tele Danmark 12479 371 578 6 Uni2 Autonomous System 30890 369 80 196 SC Kappa Invexim SRL 3301 337 1429 306 TeliaNet Sweden 29049 331 26 3 AzerSat LLC. 8866 330 109 22 Bulgarian Telecommunication C 3320 326 7063 275 Deutsche Telekom AG 3215 314 2776 97 France Telecom Transpac 8452 311 188 11 TEDATA 8551 303 286 36 Bezeq International Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1400 2832 221 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 552 270 14 VTR PUNTO NET S.A. 10620 546 122 40 TVCABLE BOGOTA 7303 497 244 72 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 425 88 50 ENTEL CHILE S.A. 11172 402 118 72 Servicios Alestra S.A de C.V 28573 354 483 28 NET Servicos de Comunicao S.A 14117 335 23 9 Telefonica del Sur S.A. Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 513 72 46 LINKdotNET AS number 3741 270 857 226 The Internet Solution 20858 261 34 3 EgyNet 2018 239 215 140 Tertiary Education Network 33783 143 10 17 EEPAD TISP TELECOM & INTERNET 6713 137 135 11 Itissalat Al-MAGHRIB 5536 120 8 17 Internet Egypt Network 5713 119 555 68 Telkom SA Ltd 33776 116 6 3 Starcomms Nigeria Limited 29571 112 15 8 Ci Telecom Autonomous system Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4376 3434 344 bellsouth.net, inc. 209 2988 4032 620 Qwest 6298 2168 334 632 Cox Communicatons 20115 1841 1460 737 Charter Communications 1785 1701 717 154 PaeTec Communications, Inc. 6478 1609 369 198 AT&T Worldnet Services 2386 1595 701 901 AT&T Data Communications Serv 4323 1592 1068 378 Time Warner Telecom 17488 1442 101 104 Hathway IP Over Cable Interne 7018 1421 5872 982 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2988 2368 Qwest 1785 1701 1547 PaeTec Communications, Inc. 6298 2168 1536 Cox Communicatons 6478 1609 1411 AT&T Worldnet Services 17488 1442 1338 Hathway IP Over Cable Interne 4323 1592 1214 Time Warner Telecom 11492 1219 1207 Cable One 8151 1400 1179 UniNet S.A. de C.V. 20115 1841 1104 Charter Communications 18566 1059 1049 Covad Communications Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 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 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 22555 Universal Talkware Corporatio Complete listing at http://thyme.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 /9:9 /10:19 /11:55 /12:158 /13:308 /14:550 /15:1078 /16:10184 /17:4479 /18:7721 /19:16582 /20:19468 /21:19158 /22:24307 /23:24990 /24:143522 /25:867 /26:1038 /27:796 /28:97 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2859 4376 bellsouth.net, inc. 6298 2142 2168 Cox Communicatons 209 1710 2988 Qwest 2386 1274 1595 AT&T Data Communications Serv 17488 1232 1442 Hathway IP Over Cable Interne 11492 1194 1219 Cable One 1785 1163 1701 PaeTec Communications, Inc. 6478 1106 1609 AT&T Worldnet Services 18566 1040 1059 Covad Communications 4766 1016 1270 Korea Telecom (KIX) Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:160 12:2183 13:2 15:21 16:3 17:5 20:36 24:1125 32:54 38:487 40:93 41:803 43:1 44:2 47:12 52:3 55:3 56:3 57:26 58:497 59:564 60:458 61:1041 62:1123 63:2012 64:3301 65:2445 66:3515 67:1368 68:847 69:2365 70:898 71:171 72:2084 73:7 74:1313 75:171 76:288 77:898 78:523 79:288 80:932 81:856 82:573 83:411 84:585 85:1047 86:503 87:651 88:350 89:1373 90:29 91:1718 92:325 93:995 94:689 95:49 96:92 97:138 98:403 99:9 100:1 110:1 111:1 113:41 114:127 115:163 116:1045 117:406 118:261 119:554 120:106 121:665 122:893 123:444 124:843 125:1246 128:358 129:219 130:136 131:410 132:72 133:9 134:187 135:31 136:223 137:116 138:144 139:86 140:414 141:111 142:371 143:303 144:308 145:52 146:373 147:143 148:607 149:212 150:143 151:210 152:141 153:131 154:10 155:276 156:165 157:302 158:168 159:298 160:273 161:132 162:251 163:132 164:518 165:513 166:361 167:341 168:650 169:155 170:459 171:40 172:10 173:126 174:7 187:18 188:1 189:324 190:2433 192:5823 193:4155 194:3288 195:2613 196:1020 198:3710 199:3313 200:5535 201:1476 202:7632 203:8060 204:3924 205:2188 206:2305 207:2761 208:3754 209:3438 210:2633 211:1132 212:1545 213:1637 214:70 215:25 216:4393 217:1241 218:359 219:419 220:1094 221:458 222:312 End of report