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 28 Feb, 2003 Analysis Summary ---------------- BGP routing table entries examined: 121927 Prefixes after maximum aggregation: 77477 Unique aggregates announced to Internet: 58082 Total ASes present in the Internet Routing Table: 14730 Origin-only ASes present in the Internet Routing Table: 12801 Origin ASes announcing only one prefix: 5774 Transit ASes present in the Internet Routing Table: 1929 Transit-only ASes present in the Internet Routing Table: 66 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: 11 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 20 Number of addresses announced to Internet: 1200020621 Equivalent to 71 /8s, 134 /16s and 220 /24s Percentage of available address space announced: 32.4 Percentage of allocated address space announced: 58.3 Percentage of available address space allocated: 55.5 Total number of prefixes smaller than registry allocations: 57021 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 20463 Total APNIC prefixes after maximum aggregation: 12056 Prefixes being announced from the APNIC address blocks: 18982 Unique aggregates announced from the APNIC address blocks: 11657 APNIC Region origin ASes present in the Internet Routing Table: 1743 APNIC Region origin ASes announcing only one prefix: 522 APNIC Region transit ASes present in the Internet Routing Table: 287 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 106683880 Equivalent to 6 /8s, 91 /16s and 221 /24s Percentage of available APNIC address space announced: 56.6 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 220/6 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 75025 Total ARIN prefixes after maximum aggregation: 47680 Prefixes being announced from the ARIN address blocks: 53234 Unique aggregates announced from the ARIN address blocks: 16611 ARIN Region origin ASes present in the Internet Routing Table: 8196 ARIN Region origin ASes announcing only one prefix: 2768 ARIN Region transit ASes present in the Internet Routing Table: 782 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 187856256 Equivalent to 11 /8s, 50 /16s and 117 /24s Percentage of available ARIN address space announced: 70.0 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: 21126 Total RIPE prefixes after maximum aggregation: 15545 Prefixes being announced from the RIPE address blocks: 17658 Unique aggregates announced from the RIPE address blocks: 11063 RIPE Region origin ASes present in the Internet Routing Table: 4397 RIPE Region origin ASes announcing only one prefix: 2397 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: 127445504 Equivalent to 7 /8s, 152 /16s and 170 /24s Percentage of available RIPE address space announced: 76.0 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: 2196 Prefixes being announced from the LACNIC address blocks: 4671 Unique aggregates announced from the LACNIC address blocks: 3035 LACNIC Region origin ASes present in the Internet Routing Table: 330 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 66 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 10 Number of LACNIC addresses announced to Internet: 12088064 Equivalent to 0 /8s, 184 /16s and 115 /24s Percentage of available LACNIC address space announced: 72.1 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 1113 1119 808 Telstra Pty Ltd 703 410 368 316 UUNET 2907 388 1960 367 SINET Japan 17557 346 25 138 Pakistan Telecom 2764 325 341 293 connect.com.au pty ltd 7474 306 276 208 Optus Communications Pty Ltd 4134 304 2637 96 Data Communications Bureau 4814 264 79 15 China Telecom (Group) 3786 241 773 207 DACOM Corporation 4755 235 134 75 Videsh Sanchar Nigam Ltd. Aut 17676 232 3574 24 XTAGE CORPORATION 9583 223 33 13 Satyam Infoway Ltd., 4766 208 2074 155 Korea Internet Exchange for " 9443 178 57 76 Primus Telecommunications 9800 166 205 41 CHINA UNICOM 4765 152 10 14 World Net & Services Co., Ltd 9238 136 8 17 TATA ISP 4716 128 735 122 TTnet 4739 128 57 116 Commerical Internet eXchange 9768 128 384 64 Korea Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1613 8888 1149 UUNET Technologies, Inc. 7018 1387 7151 958 AT&T 3908 1244 1590 485 Supernet, Inc. 1239 979 3138 692 Sprint 1 669 8087 435 GENUITY 852 600 1107 444 Telus Advanced Communications 7046 559 826 243 UUNET Technologies, Inc. 7843 554 405 197 Adelphia Corp. 4323 534 473 168 Time Warner Communications, I 4151 531 691 58 USDA 209 529 2092 335 Qwest 690 498 73 308 Merit Network 3561 498 2327 339 Cable & Wireless USA 18566 491 114 7 Covad Communications 7066 490 204 254 Virginia Polytechnic Institut 6197 483 554 110 BellSouth Network Solutions, 2386 478 477 249 AT&T Data Communications Serv 376 460 375 111 Reseau Interordinateurs Scien 705 450 165 196 UUNET Technologies, Inc. 6198 437 195 201 BellSouth Network Solutions, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 790 2250 653 UUNET - Commercial IP service 3215 315 818 173 France Telecom Transpac 3301 315 1142 303 TeliaNet Sweden 3320 263 1996 227 Deutsche Telekom AG 680 232 2054 229 DFN-IP service G-WiN 1257 219 370 196 SWIPnet Swedish IP Network 719 202 307 129 LANLINK autonomous system 5400 197 70 97 BT Ignite European Backbone 5515 186 779 160 Sonera Solution Autonomous Sy 786 179 1874 179 The JANET IP Service 8708 152 42 149 Romania Data Systems S.A. 20858 148 17 3 This AS will be used to conne 3303 144 517 143 Swisscom Ltd 8220 125 182 116 COLT Internet - International 12302 123 18 30 MobiFon S.A. 2856 118 1299 108 BTnet UK Regional network 3269 111 751 61 TELECOM ITALIA 3233 108 11 12 RNC - Romanian Natioanal R&D 3246 104 360 101 Song Networks 3352 99 652 29 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 285 98 104 ImpSat 7303 240 36 49 Telecom Argentina Stet-France 8151 213 325 115 UniNet S.A. de C.V. 11172 160 66 32 Servicios Alestra S.A de C.V 6503 157 207 109 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 75 62 21 Telefonica Del Peru 1916 73 306 44 Fundacao de Amparo a Pesquisa 6535 72 5 23 Chilesat Servicios Empresari 8065 72 6 18 Empresas Publicas de Medellin 15311 71 27 36 Telefonica Empresas 11992 69 7 30 Integrated Systems 4270 67 18 10 Red de Interconexion Universi 7984 66 11 42 Global One Colombia 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela 11830 62 5 20 Instituto Costarricense de El Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1244 759 Supernet, Inc. 18566 491 484 Covad Communications 4151 531 473 USDA 7018 1387 429 AT&T 6197 483 373 BellSouth Network Solutions, 4323 534 366 Time Warner Communications, I 7843 554 357 Adelphia Corp. 376 460 349 Reseau Interordinateurs Scien 7046 559 316 UUNET Technologies, Inc. 11492 309 308 Cable One 1221 1113 305 Telstra Pty Ltd 6347 370 292 SAVVIS Communications Corpora 4355 402 290 EarthLink, Inc. 1239 979 287 Sprint 22927 295 281 TELEFONICA DE ARGENTINA 705 450 254 UUNET Technologies, Inc. 4814 264 249 China Telecom (Group) 7066 490 236 Virginia Polytechnic Institut 6198 437 236 BellSouth Network Solutions, 1 669 234 GENUITY List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 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 192.44.0.0/19 702 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 192.153.136.0/21 568 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 /8:18 /9:3 /10:8 /11:12 /12:46 /13:93 /14:238 /15:445 /16:7353 /17:1598 /18:2900 /19:8169 /20:8092 /21:5812 /22:8818 /23:10536 /24:66934 /25:170 /26:185 /27:113 /28:88 /29:63 /30:133 /31:4 /32:96 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 815 1244 Supernet, Inc. 702 493 790 UUNET - Commercial IP service 7018 491 1387 AT&T 18566 486 491 Covad Communications 701 476 1613 UUNET Technologies, Inc. 690 447 498 Merit Network 7066 389 490 Virginia Polytechnic Institut 1239 365 979 Sprint 6197 356 483 BellSouth Network Solutions, 6198 347 437 BellSouth Network Solutions, 7843 320 554 Adelphia Corp. 11492 308 309 Cable One 22927 294 295 TELEFONICA DE ARGENTINA 2386 274 478 AT&T Data Communications Serv 6140 272 285 ImpSat 7046 263 559 UUNET Technologies, Inc. 20115 257 383 Charter Communications 3215 240 315 France Telecom Transpac 7303 239 240 Telecom Argentina Stet-France 4355 229 402 EarthLink, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:653 13:1 15:4 17:2 20:9 24:837 25:1 32:83 34:1 38:57 40:18 44:2 55:1 57:16 61:453 62:508 63:1904 64:1391 65:1904 66:1463 67:214 68:280 69:52 80:319 81:99 128:144 129:189 130:40 131:81 132:13 133:2 134:145 135:4 136:121 137:117 138:106 139:74 140:132 141:123 142:94 143:46 144:111 145:18 146:264 147:85 148:267 149:73 150:44 151:110 152:252 153:51 154:3 155:107 156:42 157:41 158:124 159:142 160:34 161:58 162:135 163:84 164:269 165:140 166:80 167:317 168:387 169:54 170:306 171:8 192:5288 193:2422 194:1998 195:946 196:469 198:3598 199:3209 200:2895 202:3600 203:5097 204:3049 205:2027 206:2407 207:2386 208:2691 209:2761 210:737 211:336 212:958 213:745 214:21 215:21 216:3220 217:598 218:80 219:14 220:52 End of report
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Routing Table Analysis