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 a graphical representation, please see http://www.apnic.net/stats/bgp. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 20:00 +10GMT Fri 13 Dec, 2002 Analysis Summary ---------------- BGP routing table entries examined: 118450 Prefixes after maximum aggregation: 75688 Unique aggregates announced to Internet: 56710 Total ASes present in the Internet Routing Table: 14220 Origin-only ASes present in the Internet Routing Table: 12334 Origin ASes announcing only one prefix: 5584 Transit ASes present in the Internet Routing Table: 1886 Transit-only ASes present in the Internet Routing Table: 63 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 17 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 39 Number of addresses announced to Internet: 1186235183 Equivalent to 70 /8s, 180 /16s and 131 /24s Percentage of available address space announced: 32.0 Percentage of allocated address space announced: 58.7 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 54423 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 19282 Total APNIC prefixes after maximum aggregation: 11466 Prefixes being announced from the APNIC address blocks: 17847 Unique aggregates announced from the APNIC address blocks: 11121 APNIC Region origin ASes present in the Internet Routing Table: 1659 APNIC Region origin ASes announcing only one prefix: 528 APNIC Region transit ASes present in the Internet Routing Table: 290 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 101284000 Equivalent to 6 /8s, 9 /16s and 120 /24s Percentage of available APNIC address space announced: 66.6 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 73918 Total ARIN prefixes after maximum aggregation: 46897 Prefixes being announced from the ARIN address blocks: 51453 Unique aggregates announced from the ARIN address blocks: 15779 ARIN Region origin ASes present in the Internet Routing Table: 7974 ARIN Region origin ASes announcing only one prefix: 2692 ARIN Region transit ASes present in the Internet Routing Table: 753 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 184291824 Equivalent to 10 /8s, 252 /16s and 17 /24s Percentage of available ARIN address space announced: 68.7 ARIN AS Blocks 1 - 1876, 1902 - 2042, 2044 - 2046, 2048 - 2106 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 20226 Total RIPE prefixes after maximum aggregation: 15202 Prefixes being announced from the RIPE address blocks: 16875 Unique aggregates announced from the RIPE address blocks: 11362 RIPE Region origin ASes present in the Internet Routing Table: 4201 RIPE Region origin ASes announcing only one prefix: 2280 RIPE Region transit ASes present in the Internet Routing Table: 768 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 121368192 Equivalent to 7 /8s, 59 /16s and 238 /24s Percentage of available RIPE address space announced: 80.4 RIPE AS Blocks 1877 - 1901, 2043, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503, 24576 - 25599, 28672 - 29695 RIPE Address Blocks 62/8, 80/7, 82/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5022 Total LACNIC prefixes after maximum aggregation: 2123 Prefixes being announced from the LACNIC address blocks: 4342 Unique aggregates announced from the LACNIC address blocks: 2813 LACNIC Region origin ASes present in the Internet Routing Table: 324 LACNIC Region origin ASes announcing only one prefix: 84 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 13 Number of LACNIC addresses announced to Internet: 11600128 Equivalent to 0 /8s, 177 /16s and 1 /24s Percentage of available LACNIC address space announced: 69.1 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1153 1184 837 Telstra Pty Ltd 703 393 363 310 UUNET 2907 357 1768 335 SINET Japan 2764 341 341 310 connect.com.au pty ltd 17557 314 23 123 Pakistan Telecom 7474 306 280 204 Optus Communications Pty Ltd 4134 292 2368 93 Data Communications Bureau 4755 265 136 64 Videsh Sanchar Nigam Ltd. Aut 4814 249 79 15 China Telecom (Group) 17676 232 3602 27 XTAGE CORPORATION 4766 231 1807 154 Korea Internet Exchange for " 9583 188 33 12 Satyam Infoway Ltd., 9443 185 57 73 Primus Telecommunications 9800 140 192 38 CHINA UNICOM 9768 135 386 64 Korea Telecom 4716 129 723 123 TTnet 7657 127 26 90 The Internet Group Limited 4621 121 11 65 UNINET-TH 4739 120 56 110 Commerical Internet eXchange 4713 112 1059 101 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3908 1803 1667 506 Supernet, Inc. 701 1697 9039 1227 UUNET Technologies, Inc. 7018 1390 7147 963 AT&T 1239 937 3144 669 Sprint 1 665 8090 438 GENUITY 852 624 1140 443 Telus Advanced Communications 7843 597 402 262 Adelphia Corp. 7046 586 861 280 UUNET Technologies, Inc. 4323 525 455 166 Time Warner Communications, I 209 524 2049 338 Qwest 690 513 75 319 Merit Network 7066 490 204 257 Virginia Polytechnic Institut 6197 456 589 92 BellSouth Network Solutions, 705 436 134 196 UUNET Technologies, Inc. 18566 419 96 5 Covad Communications 6198 418 181 197 BellSouth Network Solutions, 3561 412 2246 355 Cable & Wireless USA 4355 405 313 118 EarthLink, Inc. 3549 403 741 295 Global Crossing 15290 391 215 175 AT&T Canada IES RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 809 2293 672 UUNET - Commercial IP service 3301 344 1144 302 TeliaNet Sweden 3215 308 804 170 France Telecom Transpac 3320 251 1962 224 Deutsche Telekom AG 680 237 2150 234 DFN-IP service G-WiN 1257 215 417 204 SWIPnet Swedish IP Network 5515 210 783 175 Sonera Solution Autonomous Sy 719 191 306 129 LANLINK autonomous system 786 176 1873 176 The JANET IP Service 5400 162 70 98 BT Ignite European Backbone 8708 152 42 145 Romania Data Systems S.A. 3303 148 502 146 Swisscom Ltd 20858 146 17 4 This AS will be used to conne 2856 136 1301 124 BTnet UK Regional network 12302 124 18 31 MobiFon S.A. 8220 123 174 112 COLT Internet - International 3246 119 379 116 Song Networks 3269 110 752 62 TELECOM ITALIA 5511 104 193 83 France Telecom 3233 102 6 54 RNC - Romanian Natioanal R&D LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 315 107 68 ImpSat USA, Inc. 8151 205 316 111 UniNet S.A. de C.V. 7303 182 28 46 Telecom Argentina Stet-France 11172 171 87 34 Servicios Alestra S.A de C.V 6503 157 207 109 AVANTEL, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 16814 107 7 12 NSS, S.A. 10620 98 6 32 TVCABLE BOGOTA 11340 91 2 36 Red Universitaria Nacional 6147 77 58 24 Telefonica Del Peru 1916 73 306 43 Fundacao de Amparo a Pesquisa 15311 73 27 37 Telefonica Empresas 6535 72 5 16 Chilesat Servicios Empresari 4270 69 18 10 Red de Interconexion Universi 8065 67 6 14 Empresas Publicas de Medellin 11992 67 7 30 Integrated Systems 7984 65 12 41 Global One Colombia 4926 60 4 50 Telintar S.A. 7927 57 5 40 Global One Venezuela 15034 57 5 32 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 701 1697 470 UUNET Technologies, Inc. 7018 1390 427 AT&T 18566 419 414 Covad Communications 6197 456 364 BellSouth Network Solutions, 4323 525 359 Time Warner Communications, I 7843 597 335 Adelphia Corp. 1221 1153 316 Telstra Pty Ltd 7046 586 306 UUNET Technologies, Inc. 1580 317 302 ANOSCEUR 4355 405 287 EarthLink, Inc. 6347 353 274 SAVVIS Communications Corpora 4151 327 269 USDA 1239 937 268 Sprint 22927 289 267 TELEFONICA DE ARGENTINA 6140 315 247 ImpSat USA, Inc. 11492 275 245 Cable One 705 436 240 UUNET Technologies, Inc. 376 342 239 Reseau Interordinateurs Scien 4814 249 234 China Telecom (Group) 7066 490 233 Virginia Polytechnic Institut List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64516 PRIVATE 137.164.227.0/24 2150 California State Uni 64516 PRIVATE 137.164.228.0/22 2150 California State Uni 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 GENUITY 156.108.0.0/16 14041 Colorado State University / A 158.0.0.0/13 568 DISO-UNRRA 160.213.122.0/23 25440 Nestle European Data Center 160.213.248.0/21 25440 Nestle European Data Center 164.233.0.0/16 6020 DISA NETWORK SERVICES 164.236.0.0/16 568 DISO-UNRRA 192.31.242.0/24 771 NASA Ames Research Center 192.44.0.0/19 702 UUNET - Commercial IP service 192.68.128.0/22 1239 Sprint 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.91.198.0/24 2568 CTS Network Services 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.136.136.0/24 7046 UUNET Technologies, Inc. 192.136.136.0/22 568 DISO-UNRRA 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 192.243.36.0/23 2044 AUSNet, Inc. Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:3 /10:8 /11:11 /12:46 /13:91 /14:238 /15:439 /16:7314 /17:1544 /18:2788 /19:7971 /20:7691 /21:5528 /22:8325 /23:9941 /24:65583 /25:142 /26:176 /27:95 /28:96 /29:70 /30:243 /31:19 /32:71 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 964 1803 Supernet, Inc. 702 496 809 UUNET - Commercial IP service 701 479 1697 UUNET Technologies, Inc. 690 462 513 Merit Network 7018 457 1390 AT&T 18566 412 419 Covad Communications 7066 387 490 Virginia Polytechnic Institut 7843 374 597 Adelphia Corp. 6198 334 418 BellSouth Network Solutions, 6197 332 456 BellSouth Network Solutions, 1239 327 937 Sprint 1580 302 317 ANOSCEUR 6140 302 315 ImpSat USA, Inc. 22927 288 289 TELEFONICA DE ARGENTINA 7046 278 586 UUNET Technologies, Inc. 11492 275 275 Cable One 3215 234 308 France Telecom Transpac 11537 227 233 University Corporation for Ad 4355 224 405 EarthLink, Inc. 209 213 524 Qwest Number of /24s announced per /8 block (Global) ---------------------------------------------- 8:1 12:606 13:10 15:6 17:3 20:5 24:799 25:1 32:44 38:30 40:16 44:1 55:1 57:15 61:409 62:403 63:1924 64:1316 65:1697 66:1243 67:188 68:173 69:45 80:326 81:78 128:109 129:172 130:21 131:68 132:9 133:2 134:150 135:6 136:494 137:110 138:213 139:65 140:154 141:99 142:92 143:47 144:150 145:18 146:253 147:245 148:275 149:76 150:43 151:89 152:290 153:36 154:7 155:102 156:44 157:58 158:119 159:162 160:21 161:71 162:134 163:89 164:253 165:129 166:94 167:302 168:384 169:58 170:276 171:8 192:5422 193:2379 194:2017 195:880 196:453 198:3616 199:3070 200:2671 202:3547 203:4874 204:3097 205:2213 206:2341 207:2522 208:2578 209:2697 210:609 211:288 212:879 213:761 214:12 215:21 216:3083 217:533 218:65 219:14 220:4 End of report
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Routing Table Analysis