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 18 Oct, 2002 Analysis Summary ---------------- BGP routing table entries examined: 116117 Prefixes after maximum aggregation: 74648 Unique aggregates announced to Internet: 55576 Total ASes present in the Internet Routing Table: 13917 Origin-only ASes present in the Internet Routing Table: 12060 Origin ASes announcing only one prefix: 5396 Transit ASes present in the Internet Routing Table: 1857 Transit-only ASes present in the Internet Routing Table: 60 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 20 Illegal AS announcements present in the Routing Table: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 35 Number of addresses announced to Internet: 1176988512 Equivalent to 70 /8s, 39 /16s and 107 /24s Percentage of available address space announced: 31.8 Percentage of allocated address space announced: 58.2 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 48263 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18960 Total APNIC prefixes after maximum aggregation: 11438 Prefixes being announced from the APNIC address blocks: 17458 Unique aggregates announced from the APNIC address blocks: 11051 APNIC Region origin ASes present in the Internet Routing Table: 1623 APNIC Region origin ASes announcing only one prefix: 522 APNIC Region transit ASes present in the Internet Routing Table: 274 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 99347616 Equivalent to 5 /8s, 235 /16s and 236 /24s Percentage of available APNIC address space announced: 65.3 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: 72639 Total ARIN prefixes after maximum aggregation: 46261 Prefixes being announced from the ARIN address blocks: 51036 Unique aggregates announced from the ARIN address blocks: 15384 ARIN Region origin ASes present in the Internet Routing Table: 7831 ARIN Region origin ASes announcing only one prefix: 2585 ARIN Region transit ASes present in the Internet Routing Table: 748 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 181394040 Equivalent to 10 /8s, 207 /16s and 218 /24s Percentage of available ARIN address space announced: 67.6 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: 19733 Total RIPE prefixes after maximum aggregation: 14890 Prefixes being announced from the RIPE address blocks: 16420 Unique aggregates announced from the RIPE address blocks: 10966 RIPE Region origin ASes present in the Internet Routing Table: 4088 RIPE Region origin ASes announcing only one prefix: 2210 RIPE Region transit ASes present in the Internet Routing Table: 756 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 116133696 Equivalent to 6 /8s, 236 /16s and 15 /24s Percentage of available RIPE address space announced: 76.9 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 RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 4783 Total LACNIC prefixes after maximum aggregation: 2059 Prefixes being announced from the LACNIC address blocks: 4120 Unique aggregates announced from the LACNIC address blocks: 2640 LACNIC Region origin ASes present in the Internet Routing Table: 316 LACNIC Region origin ASes announcing only one prefix: 79 LACNIC Region transit ASes present in the Internet Routing Table: 68 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 11472896 Equivalent to 0 /8s, 175 /16s and 16 /24s Percentage of available LACNIC address space announced: 68.4 LACNIC AS Blocks 26592 - 26623 LACNIC Address Blocks 200/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1192 1185 870 Telstra Pty Ltd 703 399 368 315 UUNET 2907 350 1751 330 SINET Japan 2764 339 356 311 connect.com.au pty ltd 17557 304 22 118 Pakistan Telecom 7474 299 275 202 Optus Communications Pty Ltd 4134 297 2286 97 Data Communications Bureau 4755 282 139 75 Videsh Sanchar Nigam Ltd. Aut 4766 249 1808 157 Korea Internet Exchange for " 4814 229 79 15 China Telecom (Group) 17676 224 3506 31 XTAGE CORPORATION 9443 184 57 71 Primus Telecommunications 9583 162 32 5 Satyam Infoway Ltd., 4515 136 102 77 Star Internet Services Ltd. 9768 134 385 73 Korea Telecom 7657 129 23 86 The Internet Group Limited 4716 128 736 122 TTnet 9800 122 188 24 CHINA UNICOM 4739 117 56 108 Commerical Internet eXchange 4713 115 1049 104 NTT Communications Corporatio ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1789 9190 1275 UUNET Technologies, Inc. 7018 1348 7174 938 AT&T 3908 1073 1651 507 Supernet, Inc. 1239 882 3187 661 Sprint 7843 757 373 305 Adelphia Corp. 852 737 1145 457 Telus Advanced Communications 1 657 8042 433 GENUITY 7132 591 673 68 Southwestern Bell Internet Se 7046 580 894 299 UUNET Technologies, Inc. 209 572 2065 335 Qwest 4323 518 439 164 Time Warner Communications, I 690 517 75 324 Merit Network 705 444 135 205 UUNET Technologies, Inc. 2548 426 1117 266 Business Internet, Inc. 3549 405 725 291 Global Crossing 6197 395 601 40 BellSouth Network Solutions, 6198 395 180 195 BellSouth Network Solutions, 4355 385 306 109 EarthLink, Inc. 2914 369 2020 358 Verio, Inc. 15290 357 214 175 AT&T Canada IES RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 869 2390 725 UUNET - Commercial IP service 3301 380 1164 334 TeliaNet Sweden 3215 304 788 170 France Telecom Transpac 3320 244 1966 221 Deutsche Telekom AG 680 238 2151 234 DFN-IP service G-WiN 5515 212 783 176 Sonera Solution Autonomous Sy 1257 206 414 202 SWIPnet Swedish IP Network 5400 204 83 97 BT Ignite European Backbone 719 192 307 131 LANLINK autonomous system 786 176 1873 176 The JANET IP Service 2856 169 790 131 BTnet UK Regional network 8708 153 41 146 Romania Data Systems S.A. 3303 142 516 141 Swisscom Ltd 3246 122 373 115 Song Networks 12302 122 17 29 MobiFon S.A. 8220 113 168 104 COLT Internet - International 3233 106 10 8 RNC - Romanian Natioanal R&D 3269 106 690 64 TELECOM ITALIA 2874 103 85 39 Global One Services AB 6830 102 222 12 UPC Distribution Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 247 114 58 ImpSat USA, Inc. 8151 200 330 109 UniNet S.A. de C.V. 7303 178 27 49 Telecom Argentina Stet-France 11172 168 72 33 Servicios Alestra S.A de C.V 6503 154 190 108 AVANTEL, S.A. 16814 106 7 12 NSS, S.A. 13999 105 20 7 Mega Cable S.A. de C.V. 10620 99 6 30 TVCABLE BOGOTA 11340 79 2 24 Red Universitaria Nacional 15311 76 26 32 Telefonica Empresas 1916 73 409 40 Fundacao de Amparo a Pesquisa 11992 70 7 30 Integrated Systems 4270 68 18 10 Red de Interconexion Universi 15034 65 5 33 TIBA SA 4926 62 4 50 Telintar S.A. 7984 62 27 42 Global One Colombia 2277 61 16 3 ECUANET - CORPORACION ECUATOR 8065 59 6 15 Empresas Publicas de Medellin 7927 58 4 40 Global One Venezuela 6535 55 4 15 Chilesat Servicios Empresari Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1073 566 Supernet, Inc. 7132 591 523 Southwestern Bell Internet Se 7843 757 452 Adelphia Corp. 7018 1348 410 AT&T 6197 395 355 BellSouth Network Solutions, 4323 518 354 Time Warner Communications, I 1221 1192 322 Telstra Pty Ltd 18566 313 309 Covad Communications 1580 320 307 ANOSCEUR 7046 580 281 UUNET Technologies, Inc. 852 737 280 Telus Advanced Communications 4355 385 276 EarthLink, Inc. 4151 292 276 USDA 6347 347 272 SAVVIS Communications Corpora 705 444 239 UUNET Technologies, Inc. 209 572 237 Qwest 376 341 231 Reseau Interordinateurs Scien 1 657 224 GENUITY 1239 882 221 Sprint 4814 229 214 China Telecom (Group) 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 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 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 192.72.0.0/18 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 /9:5 /10:7 /11:12 /12:46 /13:90 /14:241 /15:430 /16:7281 /17:1501 /18:2732 /19:7875 /20:7533 /21:5332 /22:8177 /23:10025 /24:64039 /25:178 /26:219 /27:115 /28:79 /29:54 /30:96 /31:1 /32:32 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 639 1073 Supernet, Inc. 7843 569 757 Adelphia Corp. 702 536 869 UUNET - Commercial IP service 701 493 1789 UUNET Technologies, Inc. 690 465 517 Merit Network 7018 434 1348 AT&T 6198 311 395 BellSouth Network Solutions, 18566 307 313 Covad Communications 1580 306 320 ANOSCEUR 6197 279 395 BellSouth Network Solutions, 1239 267 882 Sprint 7046 266 580 UUNET Technologies, Inc. 209 254 572 Qwest 3215 229 304 France Telecom Transpac 3301 226 380 TeliaNet Sweden 11492 221 226 Cable One 4355 218 385 EarthLink, Inc. 7066 205 307 Virginia Polytechnic Institut 3320 186 244 Deutsche Telekom AG 5400 184 204 BT Ignite European Backbone Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:5 12:563 13:10 15:4 17:7 20:4 24:862 25:1 32:42 38:27 40:10 44:1 55:1 57:14 61:360 62:244 63:1899 64:1282 65:1598 66:1195 67:116 68:183 69:17 80:301 81:61 128:128 129:117 130:19 131:62 132:9 133:2 134:131 135:7 136:512 137:106 138:203 139:71 140:168 141:77 142:69 143:44 144:151 145:18 146:232 147:224 148:253 149:78 150:41 151:94 152:295 153:38 154:8 155:104 156:103 157:105 158:71 159:145 160:20 161:75 162:123 163:84 164:82 165:128 166:104 167:289 168:305 169:61 170:202 171:6 192:5382 193:2364 194:2009 195:820 196:435 198:3624 199:3077 200:2523 202:3483 203:4837 204:3293 205:2108 206:2386 207:2497 208:2574 209:2568 210:601 211:276 212:877 213:791 214:9 215:19 216:2959 217:504 218:49 219:3 End of report
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Routing Table Analysis