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 20 Dec, 2002 Analysis Summary ---------------- BGP routing table entries examined: 118418 Prefixes after maximum aggregation: 75830 Unique aggregates announced to Internet: 56609 Total ASes present in the Internet Routing Table: 14265 Origin-only ASes present in the Internet Routing Table: 12371 Origin ASes announcing only one prefix: 5597 Transit ASes present in the Internet Routing Table: 1894 Transit-only ASes present in the Internet Routing Table: 60 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: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 34 Number of addresses announced to Internet: 1187210537 Equivalent to 70 /8s, 195 /16s and 101 /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: 54686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 19430 Total APNIC prefixes after maximum aggregation: 11540 Prefixes being announced from the APNIC address blocks: 17967 Unique aggregates announced from the APNIC address blocks: 11201 APNIC Region origin ASes present in the Internet Routing Table: 1662 APNIC Region origin ASes announcing only one prefix: 527 APNIC Region transit ASes present in the Internet Routing Table: 288 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 101758880 Equivalent to 6 /8s, 16 /16s and 183 /24s Percentage of available APNIC address space announced: 66.9 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: 73660 Total ARIN prefixes after maximum aggregation: 46927 Prefixes being announced from the ARIN address blocks: 51249 Unique aggregates announced from the ARIN address blocks: 15643 ARIN Region origin ASes present in the Internet Routing Table: 8003 ARIN Region origin ASes announcing only one prefix: 2701 ARIN Region transit ASes present in the Internet Routing Table: 751 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 184506096 Equivalent to 10 /8s, 255 /16s and 86 /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: 20262 Total RIPE prefixes after maximum aggregation: 15178 Prefixes being announced from the RIPE address blocks: 16898 Unique aggregates announced from the RIPE address blocks: 11295 RIPE Region origin ASes present in the Internet Routing Table: 4219 RIPE Region origin ASes announcing only one prefix: 2287 RIPE Region transit ASes present in the Internet Routing Table: 776 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 121686144 Equivalent to 7 /8s, 64 /16s and 200 /24s Percentage of available RIPE address space announced: 80.6 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: 5059 Total LACNIC prefixes after maximum aggregation: 2185 Prefixes being announced from the LACNIC address blocks: 4391 Unique aggregates announced from the LACNIC address blocks: 2837 LACNIC Region origin ASes present in the Internet Routing Table: 324 LACNIC Region origin ASes announcing only one prefix: 82 LACNIC Region transit ASes present in the Internet Routing Table: 70 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 11 Number of LACNIC addresses announced to Internet: 11704576 Equivalent to 0 /8s, 178 /16s and 153 /24s Percentage of available LACNIC address space announced: 69.8 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 1144 1183 828 Telstra Pty Ltd 703 396 364 312 UUNET 2907 357 1768 335 SINET Japan 2764 341 341 309 connect.com.au pty ltd 17557 315 23 124 Pakistan Telecom 7474 310 281 205 Optus Communications Pty Ltd 4134 293 2384 89 Data Communications Bureau 4755 249 135 72 Videsh Sanchar Nigam Ltd. Aut 4814 249 79 15 China Telecom (Group) 4766 233 1808 161 Korea Internet Exchange for " 17676 230 3602 27 XTAGE CORPORATION 9583 193 33 12 Satyam Infoway Ltd., 9443 187 57 76 Primus Telecommunications 9800 149 194 43 CHINA UNICOM 4716 129 723 123 TTnet 7657 128 26 91 The Internet Group Limited 9768 128 384 63 Korea Telecom 4621 122 11 65 UNINET-TH 4739 120 56 110 Commerical Internet eXchange 3786 118 746 97 DACOM Corporation ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1641 9021 1211 UUNET Technologies, Inc. 7018 1421 7663 951 AT&T 3908 1181 1635 497 Supernet, Inc. 1239 946 3143 674 Sprint 1 666 8091 440 GENUITY 7843 625 405 256 Adelphia Corp. 852 624 1140 443 Telus Advanced Communications 7046 579 861 279 UUNET Technologies, Inc. 4323 531 471 167 Time Warner Communications, I 209 524 2048 337 Qwest 690 513 75 319 Merit Network 7066 490 204 257 Virginia Polytechnic Institut 6197 453 560 103 BellSouth Network Solutions, 705 432 134 192 UUNET Technologies, Inc. 6198 419 181 197 BellSouth Network Solutions, 18566 417 96 5 Covad Communications 3561 413 2240 355 Cable & Wireless USA 4355 407 313 118 EarthLink, Inc. 3549 403 741 296 Global Crossing 15290 392 215 176 AT&T Canada IES RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 809 2291 672 UUNET - Commercial IP service 3301 343 1144 300 TeliaNet Sweden 3215 312 819 174 France Telecom Transpac 3320 251 1962 224 Deutsche Telekom AG 680 237 2150 234 DFN-IP service G-WiN 1257 212 416 201 SWIPnet Swedish IP Network 5515 211 783 172 Sonera Solution Autonomous Sy 719 199 306 129 LANLINK autonomous system 786 176 1873 176 The JANET IP Service 5400 162 70 98 BT Ignite European Backbone 8708 153 42 146 Romania Data Systems S.A. 20858 146 17 4 This AS will be used to conne 3303 145 517 144 Swisscom Ltd 2856 131 1301 119 BTnet UK Regional network 12302 124 18 31 MobiFon S.A. 8220 122 174 113 COLT Internet - International 3246 118 378 115 Song Networks 3269 111 754 63 TELECOM ITALIA 5511 106 193 83 France Telecom 3233 104 10 8 RNC - Romanian Natioanal R&D LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 314 97 103 ImpSat USA, Inc. 7303 218 35 58 Telecom Argentina Stet-France 8151 206 315 112 UniNet S.A. de C.V. 11172 171 87 34 Servicios Alestra S.A de C.V 6503 157 207 110 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 74 306 44 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 11992 68 7 31 Integrated Systems 8065 67 6 14 Empresas Publicas de Medellin 7984 65 12 41 Global One Colombia 4926 59 4 49 Telintar S.A. 7927 57 5 40 Global One Venezuela 15034 56 5 32 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1181 684 Supernet, Inc. 7018 1421 470 AT&T 18566 417 412 Covad Communications 7843 625 369 Adelphia Corp. 4323 531 364 Time Warner Communications, I 6197 453 350 BellSouth Network Solutions, 1221 1144 316 Telstra Pty Ltd 1580 323 301 ANOSCEUR 7046 579 300 UUNET Technologies, Inc. 4355 407 289 EarthLink, Inc. 6347 360 281 SAVVIS Communications Corpora 11492 278 277 Cable One 1239 946 272 Sprint 22927 289 267 TELEFONICA DE ARGENTINA 4151 324 266 USDA 376 345 241 Reseau Interordinateurs Scien 705 432 240 UUNET Technologies, Inc. 4814 249 234 China Telecom (Group) 7066 490 233 Virginia Polytechnic Institut 1 666 226 GENUITY List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65021 PRIVATE 128.216.1.0/24 619 Department of Navy 65021 PRIVATE 128.216.4.0/24 619 Department of Navy 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 64586 PRIVATE 202.165.140.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.141.0/24 4845 Chung Hsiao East Roa 64586 PRIVATE 202.165.143.0/24 4845 Chung Hsiao East Roa 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 158.0.0.0/13 568 DISO-UNRRA 158.255.3.0/24 702 UUNET - Commercial IP service 164.236.0.0/16 568 DISO-UNRRA 178.54.59.0/24 7018 AT&T 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 192.119.135.0/24 270 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 192.140.0.0/16 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 /11:12 /12:46 /13:92 /14:237 /15:438 /16:7323 /17:1546 /18:2794 /19:7977 /20:7685 /21:5525 /22:8350 /23:10049 /24:65405 /25:138 /26:181 /27:96 /28:98 /29:68 /30:242 /31:19 /32:69 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 752 1181 Supernet, Inc. 702 497 809 UUNET - Commercial IP service 7018 485 1421 AT&T 690 462 513 Merit Network 701 441 1641 UUNET Technologies, Inc. 18566 411 417 Covad Communications 7843 404 625 Adelphia Corp. 7066 387 490 Virginia Polytechnic Institut 6198 335 419 BellSouth Network Solutions, 1239 331 946 Sprint 6197 331 453 BellSouth Network Solutions, 1580 308 323 ANOSCEUR 6140 302 314 ImpSat USA, Inc. 22927 288 289 TELEFONICA DE ARGENTINA 11492 277 278 Cable One 7046 272 579 UUNET Technologies, Inc. 3215 238 312 France Telecom Transpac 11537 229 235 University Corporation for Ad 4355 225 407 EarthLink, Inc. 7303 217 218 Telecom Argentina Stet-France Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:610 13:1 15:6 17:3 20:7 24:798 25:1 32:45 38:31 40:16 44:1 55:1 57:15 61:407 62:417 63:1867 64:1321 65:1697 66:1260 67:189 68:208 69:45 80:315 81:78 128:119 129:185 130:20 131:72 132:9 133:2 134:146 135:6 136:498 137:110 138:212 139:84 140:155 141:99 142:92 143:43 144:149 145:18 146:247 147:248 148:277 149:77 150:43 151:89 152:288 153:36 154:7 155:104 156:44 157:58 158:120 159:138 160:21 161:63 162:133 163:92 164:260 165:127 166:83 167:302 168:384 169:58 170:293 171:8 178:1 192:5440 193:2375 194:2023 195:895 196:456 198:3572 199:3059 200:2716 202:3614 203:4863 204:2990 205:2117 206:2331 207:2431 208:2589 209:2681 210:642 211:289 212:885 213:722 214:12 215:21 216:3100 217:539 218:67 219:11 220:6 End of report
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Routing Table Analysis