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 21 Feb, 2003 Analysis Summary ---------------- BGP routing table entries examined: 121899 Prefixes after maximum aggregation: 77243 Unique aggregates announced to Internet: 57876 Total ASes present in the Internet Routing Table: 14677 Origin-only ASes present in the Internet Routing Table: 12744 Origin ASes announcing only one prefix: 5744 Transit ASes present in the Internet Routing Table: 1933 Transit-only ASes present in the Internet Routing Table: 68 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: 15 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: 1180750605 Equivalent to 70 /8s, 96 /16s and 211 /24s Percentage of available address space announced: 31.9 Percentage of allocated address space announced: 57.4 Percentage of available address space allocated: 55.5 Total number of prefixes smaller than registry allocations: 57147 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 20864 Total APNIC prefixes after maximum aggregation: 11953 Prefixes being announced from the APNIC address blocks: 19439 Unique aggregates announced from the APNIC address blocks: 11648 APNIC Region origin ASes present in the Internet Routing Table: 1733 APNIC Region origin ASes announcing only one prefix: 514 APNIC Region transit ASes present in the Internet Routing Table: 297 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 106346656 Equivalent to 6 /8s, 86 /16s and 184 /24s Percentage of available APNIC address space announced: 56.4 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: 74699 Total ARIN prefixes after maximum aggregation: 47581 Prefixes being announced from the ARIN address blocks: 52941 Unique aggregates announced from the ARIN address blocks: 16499 ARIN Region origin ASes present in the Internet Routing Table: 8175 ARIN Region origin ASes announcing only one prefix: 2763 ARIN Region transit ASes present in the Internet Routing Table: 772 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 187330496 Equivalent to 11 /8s, 42 /16s and 111 /24s Percentage of available ARIN address space announced: 69.8 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: 21019 Total RIPE prefixes after maximum aggregation: 15497 Prefixes being announced from the RIPE address blocks: 17563 Unique aggregates announced from the RIPE address blocks: 11011 RIPE Region origin ASes present in the Internet Routing Table: 4376 RIPE Region origin ASes announcing only one prefix: 2383 RIPE Region transit ASes present in the Internet Routing Table: 781 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 126153344 Equivalent to 7 /8s, 132 /16s and 242 /24s Percentage of available RIPE address space announced: 75.2 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: 5303 Total LACNIC prefixes after maximum aggregation: 2212 Prefixes being announced from the LACNIC address blocks: 4647 Unique aggregates announced from the LACNIC address blocks: 3028 LACNIC Region origin ASes present in the Internet Routing Table: 329 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: 10 Number of LACNIC addresses announced to Internet: 12042752 Equivalent to 0 /8s, 183 /16s and 194 /24s Percentage of available LACNIC address space announced: 71.8 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 1113 1135 815 Telstra Pty Ltd 4663 526 82 24 ELIMNET, INC 703 410 368 320 UUNET 2907 394 1994 372 SINET Japan 17557 340 24 128 Pakistan Telecom 2764 326 340 293 connect.com.au pty ltd 7474 305 276 208 Optus Communications Pty Ltd 4134 304 2651 100 Data Communications Bureau 4814 261 79 15 China Telecom (Group) 3786 241 773 207 DACOM Corporation 4755 232 133 74 Videsh Sanchar Nigam Ltd. Aut 17676 229 3526 24 XTAGE CORPORATION 9583 218 33 13 Satyam Infoway Ltd., 4766 202 2073 149 Korea Internet Exchange for " 9443 180 57 76 Primus Telecommunications 9800 166 205 41 CHINA UNICOM 4765 150 9 14 World Net & Services Co., Ltd 9238 132 8 19 TATA ISP 4716 129 737 123 TTnet 4739 128 57 116 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1595 8889 1153 UUNET Technologies, Inc. 7018 1427 7151 965 AT&T 3908 1207 1587 473 Supernet, Inc. 1239 967 3118 682 Sprint 1 668 8084 432 GENUITY 852 605 1107 445 Telus Advanced Communications 7046 578 828 245 UUNET Technologies, Inc. 7843 570 402 209 Adelphia Corp. 4323 530 473 169 Time Warner Communications, I 209 525 2106 334 Qwest 4151 524 691 57 USDA 690 498 73 308 Merit Network 7066 493 204 254 Virginia Polytechnic Institut 18566 482 113 6 Covad Communications 6197 478 555 114 BellSouth Network Solutions, 3561 466 2322 326 Cable & Wireless USA 376 462 375 111 Reseau Interordinateurs Scien 705 448 165 195 UUNET Technologies, Inc. 2386 443 471 236 AT&T Data Communications Serv 6198 431 193 200 BellSouth Network Solutions, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 790 2247 652 UUNET - Commercial IP service 3301 315 1143 303 TeliaNet Sweden 3215 312 818 171 France Telecom Transpac 3320 263 1996 227 Deutsche Telekom AG 680 232 2054 229 DFN-IP service G-WiN 1257 218 369 199 SWIPnet Swedish IP Network 719 201 306 128 LANLINK autonomous system 5515 187 779 161 Sonera Solution Autonomous Sy 786 179 1874 179 The JANET IP Service 5400 160 69 95 BT Ignite European Backbone 8708 149 42 147 Romania Data Systems S.A. 20858 147 17 3 This AS will be used to conne 3303 144 517 143 Swisscom Ltd 12302 124 18 31 MobiFon S.A. 8220 122 174 113 COLT Internet - International 2856 120 1299 110 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 3352 100 652 29 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 283 98 104 ImpSat 7303 240 36 49 Telecom Argentina Stet-France 8151 210 332 115 UniNet S.A. de C.V. 11172 161 82 33 Servicios Alestra S.A de C.V 6503 157 191 110 AVANTEL, S.A. 16814 139 9 18 NSS, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 11340 110 3 38 Red Universitaria Nacional 10620 107 7 31 TVCABLE BOGOTA 6147 74 62 21 Telefonica Del Peru 8065 74 6 19 Empresas Publicas de Medellin 1916 73 306 44 Fundacao de Amparo a Pesquisa 6535 72 5 23 Chilesat Servicios Empresari 15311 71 27 36 Telefonica Empresas 4270 69 18 10 Red de Interconexion Universi 11992 69 7 30 Integrated Systems 7927 65 5 40 Global One Venezuela 7080 64 4 1 Electronica y Comunicaciones 7984 61 11 40 Global One Colombia 11830 60 4 21 Instituto Costarricense de El Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1207 734 Supernet, Inc. 4663 526 502 ELIMNET, INC 18566 482 476 Covad Communications 4151 524 467 USDA 7018 1427 462 AT&T 6197 478 364 BellSouth Network Solutions, 7843 570 361 Adelphia Corp. 4323 530 361 Time Warner Communications, I 376 462 351 Reseau Interordinateurs Scien 7046 578 333 UUNET Technologies, Inc. 11492 308 307 Cable One 1221 1113 298 Telstra Pty Ltd 6347 370 291 SAVVIS Communications Corpora 4355 402 290 EarthLink, Inc. 1239 967 285 Sprint 22927 295 281 TELEFONICA DE ARGENTINA 705 448 253 UUNET Technologies, Inc. 4814 261 246 China Telecom (Group) 7066 493 239 Virginia Polytechnic Institut 1 668 236 GENUITY List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64512 PRIVATE 66.205.199.0/24 25752 Neopolitan Networks 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 65520 PRIVATE 202.36.16.0/21 9889 Web InterNet, ISP 65520 PRIVATE 202.36.24.0/22 9889 Web InterNet, ISP 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 /14:238 /15:445 /16:7340 /17:1585 /18:2885 /19:8142 /20:8032 /21:5770 /22:8749 /23:10481 /24:66824 /25:286 /26:415 /27:101 /28:97 /29:61 /30:174 /31:2 /32:95 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 779 1207 Supernet, Inc. 7018 525 1427 AT&T 702 494 790 UUNET - Commercial IP service 4663 482 526 ELIMNET, INC 18566 477 482 Covad Communications 701 453 1595 UUNET Technologies, Inc. 690 447 498 Merit Network 7066 392 493 Virginia Polytechnic Institut 1239 361 967 Sprint 6197 353 478 BellSouth Network Solutions, 7843 340 570 Adelphia Corp. 6198 339 431 BellSouth Network Solutions, 11492 307 308 Cable One 22927 294 295 TELEFONICA DE ARGENTINA 7046 280 578 UUNET Technologies, Inc. 6140 271 283 ImpSat 20115 271 396 Charter Communications 2386 240 443 AT&T Data Communications Serv 7303 239 240 Telecom Argentina Stet-France 3215 238 312 France Telecom Transpac Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:644 13:1 15:4 17:2 20:9 24:834 25:1 32:83 34:1 38:42 40:18 44:2 55:1 57:15 61:452 62:505 63:1903 64:1384 65:1864 66:1419 67:213 68:288 69:51 80:324 81:88 128:146 129:187 130:40 131:81 132:13 133:2 134:144 135:4 136:193 137:117 138:104 139:72 140:102 141:110 142:94 143:46 144:107 145:18 146:262 147:85 148:267 149:74 150:44 151:95 152:252 153:51 154:3 155:106 156:41 157:39 158:123 159:141 160:34 161:55 162:135 163:83 164:269 165:138 166:81 167:305 168:393 169:54 170:304 171:8 192:5289 193:2427 194:2006 195:958 196:458 198:3593 199:3199 200:2879 202:3636 203:5094 204:3019 205:2030 206:2396 207:2390 208:2697 209:2791 210:781 211:373 212:952 213:723 214:21 215:21 216:3184 217:595 218:78 219:14 220:50 End of report