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 Mar, 2003 Analysis Summary ---------------- BGP routing table entries examined: 123374 Prefixes after maximum aggregation: 78112 Unique aggregates announced to Internet: 59112 Total ASes present in the Internet Routing Table: 14843 Origin-only ASes present in the Internet Routing Table: 12879 Origin ASes announcing only one prefix: 5830 Transit ASes present in the Internet Routing Table: 1964 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: 20 Illegal AS announcements present in the Routing Table: 12 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: 1218233637 Equivalent to 72 /8s, 156 /16s and 197 /24s Percentage of available address space announced: 32.9 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 55.5 Total number of prefixes smaller than registry allocations: 57969 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 20750 Total APNIC prefixes after maximum aggregation: 12171 Prefixes being announced from the APNIC address blocks: 19238 Unique aggregates announced from the APNIC address blocks: 11778 APNIC Region origin ASes present in the Internet Routing Table: 1747 APNIC Region origin ASes announcing only one prefix: 512 APNIC Region transit ASes present in the Internet Routing Table: 293 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 107707840 Equivalent to 6 /8s, 107 /16s and 125 /24s Percentage of available APNIC address space announced: 57.1 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: 75703 Total ARIN prefixes after maximum aggregation: 48106 Prefixes being announced from the ARIN address blocks: 53851 Unique aggregates announced from the ARIN address blocks: 16843 ARIN Region origin ASes present in the Internet Routing Table: 8244 ARIN Region origin ASes announcing only one prefix: 2799 ARIN Region transit ASes present in the Internet Routing Table: 791 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 187886400 Equivalent to 11 /8s, 50 /16s and 235 /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: 21678 Total RIPE prefixes after maximum aggregation: 15636 Prefixes being announced from the RIPE address blocks: 18209 Unique aggregates announced from the RIPE address blocks: 11881 RIPE Region origin ASes present in the Internet Routing Table: 4459 RIPE Region origin ASes announcing only one prefix: 2433 RIPE Region transit ASes present in the Internet Routing Table: 802 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 128177920 Equivalent to 7 /8s, 163 /16s and 215 /24s Percentage of available RIPE address space announced: 76.4 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: 5232 Total LACNIC prefixes after maximum aggregation: 2199 Prefixes being announced from the LACNIC address blocks: 4624 Unique aggregates announced from the LACNIC address blocks: 2919 LACNIC Region origin ASes present in the Internet Routing Table: 329 LACNIC Region origin ASes announcing only one prefix: 86 LACNIC Region transit ASes present in the Internet Routing Table: 69 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 12382976 Equivalent to 0 /8s, 188 /16s and 243 /24s Percentage of available LACNIC address space announced: 73.8 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 1101 1106 805 Telstra Pty Ltd 703 406 370 314 UUNET 2907 391 1976 368 SINET Japan 17557 376 27 139 Pakistan Telecom 2764 323 340 290 connect.com.au pty ltd 4134 310 2668 102 Data Communications Bureau 7474 306 276 208 Optus Communications Pty Ltd 4814 264 79 15 China Telecom (Group) 3786 250 772 212 DACOM Corporation 17676 235 3614 26 XTAGE CORPORATION 4755 231 135 75 Videsh Sanchar Nigam Ltd. Aut 9583 215 33 14 Satyam Infoway Ltd., 4766 206 2074 155 Korea Internet Exchange for " 9443 178 57 77 Primus Telecommunications 9800 167 205 42 CHINA UNICOM 4765 152 10 14 World Net & Services Co., Ltd 9238 134 8 17 TATA ISP 4716 128 717 122 TTnet 4739 127 57 116 Commerical Internet eXchange 9768 125 384 64 Korea Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1578 8828 1129 UUNET Technologies, Inc. 7018 1357 7143 941 AT&T 3908 1247 1588 479 Supernet, Inc. 1239 987 3153 701 Sprint 1 710 8071 427 GENUITY 7843 617 400 188 Adelphia Corp. 3561 590 2351 343 Cable & Wireless USA 4323 556 490 172 Time Warner Communications, I 852 553 1107 435 Telus Advanced Communications 4151 544 691 60 USDA 18566 539 121 12 Covad Communications 209 535 2091 340 Qwest 690 504 74 314 Merit Network 2386 496 481 244 AT&T Data Communications Serv 7066 490 204 254 Virginia Polytechnic Institut 6197 475 338 196 BellSouth Network Solutions, 705 457 186 203 UUNET Technologies, Inc. 6198 446 208 179 BellSouth Network Solutions, 20115 408 168 265 Charter Communications 3549 407 695 310 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 783 2236 648 UUNET - Commercial IP service 8372 409 67 30 COLT Internet UK Access Netwo 3301 313 1175 303 TeliaNet Sweden 3215 310 835 174 France Telecom Transpac 3320 267 1996 230 Deutsche Telekom AG 680 232 2054 229 DFN-IP service G-WiN 1257 217 344 191 SWIPnet Swedish IP Network 5400 217 77 103 BT Ignite European Backbone 719 202 307 125 LANLINK autonomous system 5515 186 779 160 Sonera Solution Autonomous Sy 786 179 1874 179 The JANET IP Service 8708 153 42 150 Romania Data Systems S.A. 20858 151 17 3 This AS will be used to conne 3303 145 517 144 Swisscom Ltd 8220 133 211 124 COLT Internet - International 12302 123 18 30 MobiFon S.A. 2856 118 1298 108 BTnet UK Regional network 3269 112 753 62 TELECOM ITALIA 3233 106 10 19 RNC - Romanian Natioanal R&D 3246 105 360 102 Song Networks LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 291 98 106 ImpSat 7303 242 36 56 Telecom Argentina Stet-France 8151 217 349 116 UniNet S.A. de C.V. 11172 165 66 33 Servicios Alestra S.A de C.V 6503 145 190 104 AVANTEL, S.A. 16814 139 9 18 NSS, S.A. 11340 110 3 38 Red Universitaria Nacional 10620 107 7 31 TVCABLE BOGOTA 1916 75 306 45 Fundacao de Amparo a Pesquisa 11992 75 8 35 Integrated Systems 8065 73 6 18 Empresas Publicas de Medellin 6147 72 62 19 Telefonica Del Peru 6535 71 4 22 Chilesat Servicios Empresari 15311 71 27 36 Telefonica Empresas 4270 69 18 10 Red de Interconexion Universi 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela 13999 64 36 8 Mega Cable S.A. de C.V. 7984 61 11 40 Global One Colombia 7738 59 170 11 Telecomunicacoes da Bahia S.A Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1247 768 Supernet, Inc. 18566 539 527 Covad Communications 4151 544 484 USDA 7843 617 429 Adelphia Corp. 7018 1357 416 AT&T 4323 556 384 Time Warner Communications, I 8372 409 379 COLT Internet UK Access Netwo 1221 1101 296 Telstra Pty Ltd 6347 371 291 SAVVIS Communications Corpora 1239 987 286 Sprint 1 710 283 GENUITY 22927 295 281 TELEFONICA DE ARGENTINA 6197 475 279 BellSouth Network Solutions, 4355 387 273 EarthLink, Inc. 6198 446 267 BellSouth Network Solutions, 27364 278 260 Armstrong Cable Services 705 457 254 UUNET Technologies, Inc. 2386 496 252 AT&T Data Communications Serv 4814 264 249 China Telecom (Group) 3561 590 247 Cable & Wireless USA 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 65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve 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 160.225.160.0/19 5676 Pacific Bell Internet Service 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 192.136.135.0/24 1239 Sprint 192.153.136.0/21 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.158.249.0/24 27319 INTERNET SOFTWARE CONSORTIUM, 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 /11:13 /12:46 /13:89 /14:241 /15:450 /16:7352 /17:1631 /18:2918 /19:8235 /20:8220 /21:5845 /22:8845 /23:10594 /24:67757 /25:274 /26:347 /27:126 /28:118 /29:78 /30:94 /31:4 /32:68 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 815 1247 Supernet, Inc. 18566 534 539 Covad Communications 702 486 783 UUNET - Commercial IP service 7018 468 1357 AT&T 701 459 1578 UUNET Technologies, Inc. 690 453 504 Merit Network 8372 396 409 COLT Internet UK Access Netwo 7066 389 490 Virginia Polytechnic Institut 1239 374 987 Sprint 7843 372 617 Adelphia Corp. 6198 355 446 BellSouth Network Solutions, 6197 354 475 BellSouth Network Solutions, 2386 296 496 AT&T Data Communications Serv 22927 294 295 TELEFONICA DE ARGENTINA 20115 283 408 Charter Communications 6140 278 291 ImpSat 27364 272 278 Armstrong Cable Services 7303 241 242 Telecom Argentina Stet-France 3215 234 310 France Telecom Transpac 209 226 535 Qwest Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:665 13:1 15:4 17:2 20:10 24:789 25:1 32:92 34:1 38:61 40:18 44:2 55:1 57:15 61:453 62:508 63:1923 64:1468 65:1917 66:1580 67:220 68:321 69:64 80:337 81:99 128:150 129:225 130:45 131:83 132:11 133:11 134:144 135:4 136:113 137:115 138:107 139:67 140:146 141:97 142:94 143:46 144:100 145:18 146:265 147:89 148:270 149:75 150:42 151:87 152:250 153:51 154:2 155:108 156:46 157:45 158:123 159:139 160:33 161:60 162:124 163:89 164:311 165:143 166:74 167:320 168:408 169:55 170:310 171:6 192:5297 193:2397 194:1996 195:982 196:479 198:3636 199:3241 200:2873 202:3670 203:5148 204:3070 205:2028 206:2410 207:2430 208:2675 209:2803 210:736 211:326 212:1027 213:855 214:21 215:22 216:3239 217:598 218:82 219:9 220:54 End of report
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Routing Table Analysis