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 14 Feb, 2003 Analysis Summary ---------------- BGP routing table entries examined: 121004 Prefixes after maximum aggregation: 77156 Unique aggregates announced to Internet: 58398 Total ASes present in the Internet Routing Table: 14617 Origin-only ASes present in the Internet Routing Table: 12687 Origin ASes announcing only one prefix: 5724 Transit ASes present in the Internet Routing Table: 1930 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 17 Illegal AS announcements present in the Routing Table: 13 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 22 Number of addresses announced to Internet: 1194127693 Equivalent to 71 /8s, 44 /16s and 241 /24s Percentage of available address space announced: 32.2 Percentage of allocated address space announced: 58.1 Percentage of available address space allocated: 55.5 Total number of prefixes smaller than registry allocations: 56285 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 20422 Total APNIC prefixes after maximum aggregation: 12035 Prefixes being announced from the APNIC address blocks: 18925 Unique aggregates announced from the APNIC address blocks: 11584 APNIC Region origin ASes present in the Internet Routing Table: 1726 APNIC Region origin ASes announcing only one prefix: 517 APNIC Region transit ASes present in the Internet Routing Table: 294 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 105928352 Equivalent to 6 /8s, 80 /16s and 86 /24s Percentage of available APNIC address space announced: 56.2 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 220/6 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 74448 Total ARIN prefixes after maximum aggregation: 47522 Prefixes being announced from the ARIN address blocks: 52808 Unique aggregates announced from the ARIN address blocks: 16484 ARIN Region origin ASes present in the Internet Routing Table: 8142 ARIN Region origin ASes announcing only one prefix: 2750 ARIN Region transit ASes present in the Internet Routing Table: 767 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 187000768 Equivalent to 11 /8s, 37 /16s and 103 /24s Percentage of available ARIN address space announced: 69.7 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: 20846 Total RIPE prefixes after maximum aggregation: 15398 Prefixes being announced from the RIPE address blocks: 17471 Unique aggregates announced from the RIPE address blocks: 11644 RIPE Region origin ASes present in the Internet Routing Table: 4357 RIPE Region origin ASes announcing only one prefix: 2374 RIPE Region transit ASes present in the Internet Routing Table: 785 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 123889088 Equivalent to 7 /8s, 98 /16s and 101 /24s Percentage of available RIPE address space announced: 73.8 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, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5276 Total LACNIC prefixes after maximum aggregation: 2201 Prefixes being announced from the LACNIC address blocks: 4609 Unique aggregates announced from the LACNIC address blocks: 2980 LACNIC Region origin ASes present in the Internet Routing Table: 329 LACNIC Region origin ASes announcing only one prefix: 83 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 10 Number of LACNIC addresses announced to Internet: 12020224 Equivalent to 0 /8s, 183 /16s and 106 /24s Percentage of available LACNIC address space announced: 71.6 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 1118 1166 815 Telstra Pty Ltd 703 412 368 322 UUNET 2907 393 1993 370 SINET Japan 17557 339 24 130 Pakistan Telecom 2764 329 340 296 connect.com.au pty ltd 4134 306 2661 102 Data Communications Bureau 7474 303 276 210 Optus Communications Pty Ltd 4814 261 79 15 China Telecom (Group) 3786 242 775 208 DACOM Corporation 4755 233 117 73 Videsh Sanchar Nigam Ltd. Aut 17676 226 3509 24 XTAGE CORPORATION 9583 215 33 13 Satyam Infoway Ltd., 4766 203 2071 150 Korea Internet Exchange for " 9443 185 57 76 Primus Telecommunications 9800 167 205 41 CHINA UNICOM 4765 148 9 14 World Net & Services Co., Ltd 9238 131 8 18 TATA ISP 4716 129 737 123 TTnet 9768 128 384 64 Korea Telecom 4739 125 57 114 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1577 8932 1163 UUNET Technologies, Inc. 7018 1423 7110 965 AT&T 3908 1215 1605 482 Supernet, Inc. 1239 961 3150 675 Sprint 1 668 8093 433 GENUITY 852 607 1107 446 Telus Advanced Communications 7843 571 401 213 Adelphia Corp. 7046 566 827 243 UUNET Technologies, Inc. 209 529 2108 333 Qwest 4323 529 472 168 Time Warner Communications, I 4151 523 691 59 USDA 690 498 73 308 Merit Network 7066 491 204 254 Virginia Polytechnic Institut 6197 476 555 113 BellSouth Network Solutions, 18566 476 114 7 Covad Communications 3561 466 2322 329 Cable & Wireless USA 705 446 166 195 UUNET Technologies, Inc. 2386 437 470 228 AT&T Data Communications Serv 6198 432 193 199 BellSouth Network Solutions, 4355 396 308 112 EarthLink, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 796 2282 660 UUNET - Commercial IP service 3301 313 1141 301 TeliaNet Sweden 3215 311 818 172 France Telecom Transpac 3320 264 1996 227 Deutsche Telekom AG 680 232 2054 229 DFN-IP service G-WiN 1257 214 385 198 SWIPnet Swedish IP Network 5515 208 783 172 Sonera Solution Autonomous Sy 719 202 306 129 LANLINK autonomous system 786 179 1874 179 The JANET IP Service 5400 158 69 95 BT Ignite European Backbone 8708 150 42 148 Romania Data Systems S.A. 20858 147 17 3 This AS will be used to conne 3303 144 517 143 Swisscom Ltd 8220 123 174 114 COLT Internet - International 12302 123 18 30 MobiFon S.A. 2856 121 1299 111 BTnet UK Regional network 3269 111 751 61 TELECOM ITALIA 3233 108 11 12 RNC - Romanian Natioanal R&D 3246 105 358 102 Song Networks 5511 101 177 80 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 285 98 104 ImpSat 7303 232 36 49 Telecom Argentina Stet-France 8151 209 332 115 UniNet S.A. de C.V. 11172 161 82 33 Servicios Alestra S.A de C.V 6503 156 191 109 AVANTEL, S.A. 16814 140 9 14 NSS, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 10620 107 7 31 TVCABLE BOGOTA 11340 101 2 35 Red Universitaria Nacional 6147 84 62 21 Telefonica Del Peru 1916 73 306 44 Fundacao de Amparo a Pesquisa 6535 71 4 22 Chilesat Servicios Empresari 15311 71 27 36 Telefonica Empresas 4270 69 18 10 Red de Interconexion Universi 8065 69 6 15 Empresas Publicas de Medellin 11992 69 7 30 Integrated Systems 7080 64 4 1 Electronica y Comunicaciones 7984 61 11 40 Global One Colombia 11830 60 4 21 Instituto Costarricense de El 15034 60 5 31 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1215 733 Supernet, Inc. 18566 476 469 Covad Communications 4151 523 464 USDA 7018 1423 458 AT&T 6197 476 363 BellSouth Network Solutions, 4323 529 361 Time Warner Communications, I 7843 571 358 Adelphia Corp. 7046 566 323 UUNET Technologies, Inc. 1221 1118 303 Telstra Pty Ltd 11492 304 303 Cable One 6347 369 290 SAVVIS Communications Corpora 1239 961 286 Sprint 4355 396 284 EarthLink, Inc. 22927 295 281 TELEFONICA DE ARGENTINA 705 446 251 UUNET Technologies, Inc. 4814 261 246 China Telecom (Group) 7066 491 237 Virginia Polytechnic Institut 1 668 235 GENUITY 6198 432 233 BellSouth Network Solutions, 376 339 225 Reseau Interordinateurs Scien List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64520 PRIVATE 158.15.0.0/16 721 DLA Systems Automati 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p 64521 PRIVATE 198.189.23.0/24 2151 California State Uni 64521 PRIVATE 198.189.24.0/24 2151 California State Uni 64524 PRIVATE 198.189.134.0/24 2151 California State Uni 64524 PRIVATE 198.189.135.0/24 2151 California State Uni 64524 PRIVATE 198.189.136.0/24 2151 California State Uni 64524 PRIVATE 198.189.137.0/24 2151 California State Uni 64524 PRIVATE 198.189.138.0/24 2151 California State Uni 64521 PRIVATE 198.189.158.0/24 2151 California State Uni 64521 PRIVATE 198.189.235.0/24 2151 California State Uni 64521 PRIVATE 198.189.236.0/24 2151 California State Uni 65000 PRIVATE 210.90.54.0/25 9768 Korea Telecom Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 192.31.242.0/24 771 NASA Ames Research Center 192.44.0.0/19 702 UUNET - Commercial IP service 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 192.119.135.0/24 270 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 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.153.136.0/21 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 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 /11:12 /12:44 /13:93 /14:240 /15:446 /16:7336 /17:1577 /18:2864 /19:8111 /20:8010 /21:5732 /22:8721 /23:10433 /24:66633 /25:170 /26:170 /27:94 /28:83 /29:58 /30:102 /31:2 /32:45 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 792 1215 Supernet, Inc. 7018 523 1423 AT&T 702 492 796 UUNET - Commercial IP service 18566 471 476 Covad Communications 690 447 498 Merit Network 701 424 1577 UUNET Technologies, Inc. 7066 390 491 Virginia Polytechnic Institut 1239 355 961 Sprint 6197 352 476 BellSouth Network Solutions, 7843 341 571 Adelphia Corp. 6198 340 432 BellSouth Network Solutions, 11492 303 304 Cable One 22927 294 295 TELEFONICA DE ARGENTINA 6140 273 285 ImpSat 7046 266 566 UUNET Technologies, Inc. 20115 240 363 Charter Communications 2386 237 437 AT&T Data Communications Serv 3215 237 311 France Telecom Transpac 7303 231 232 Telecom Argentina Stet-France 209 227 529 Qwest Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:643 13:1 15:4 17:2 20:9 24:795 25:1 32:82 34:1 38:41 40:19 44:2 55:1 57:15 61:476 62:496 63:1907 64:1383 65:1854 66:1407 67:214 68:276 69:47 80:317 81:87 128:143 129:178 130:40 131:73 132:11 133:2 134:144 135:4 136:194 137:116 138:103 139:70 140:130 141:109 142:93 143:44 144:103 145:17 146:262 147:84 148:266 149:74 150:42 151:96 152:252 153:44 154:3 155:105 156:42 157:41 158:122 159:138 160:33 161:54 162:134 163:89 164:264 165:140 166:81 167:306 168:392 169:57 170:298 171:8 192:5327 193:2421 194:2002 195:943 196:456 198:3604 199:3211 200:2839 202:3637 203:5071 204:3018 205:2051 206:2403 207:2402 208:2688 209:2767 210:729 211:318 212:954 213:720 214:21 215:22 216:3220 217:586 218:79 219:14 220:49 End of report
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Routing Table Analysis