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 09 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 125563 Prefixes after maximum aggregation: 78379 Unique aggregates announced to Internet: 59211 Total ASes present in the Internet Routing Table: 15152 Origin-only ASes present in the Internet Routing Table: 13121 Origin ASes announcing only one prefix: 5974 Transit ASes present in the Internet Routing Table: 2031 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 18 Number of addresses announced to Internet: 1229405952 Equivalent to 73 /8s, 71 /16s and 63 /24s Percentage of available address space announced: 33.2 Percentage of allocated address space announced: 59.3 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 54495 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21283 Total APNIC prefixes after maximum aggregation: 12344 Prefixes being announced from the APNIC address blocks: 19735 Unique aggregates announced from the APNIC address blocks: 12033 APNIC Region origin ASes present in the Internet Routing Table: 1793 APNIC Region origin ASes announcing only one prefix: 523 APNIC Region transit ASes present in the Internet Routing Table: 305 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 113092064 Equivalent to 6 /8s, 189 /16s and 165 /24s Percentage of available APNIC address space announced: 60.9 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 77245 Total ARIN prefixes after maximum aggregation: 47957 Prefixes being announced from the ARIN address blocks: 55269 Unique aggregates announced from the ARIN address blocks: 16490 ARIN Region origin ASes present in the Internet Routing Table: 8384 ARIN Region origin ASes announcing only one prefix: 2874 ARIN Region transit ASes present in the Internet Routing Table: 805 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 191589376 Equivalent to 11 /8s, 107 /16s and 108 /24s Percentage of available ARIN address space announced: 71.4 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, 29695 - 30719 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: 21702 Total RIPE prefixes after maximum aggregation: 15842 Prefixes being announced from the RIPE address blocks: 18224 Unique aggregates announced from the RIPE address blocks: 12048 RIPE Region origin ASes present in the Internet Routing Table: 4570 RIPE Region origin ASes announcing only one prefix: 2490 RIPE Region transit ASes present in the Internet Routing Table: 820 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 130081408 Equivalent to 7 /8s, 192 /16s and 226 /24s Percentage of available RIPE address space announced: 70.5 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: 5331 Total LACNIC prefixes after maximum aggregation: 2236 Prefixes being announced from the LACNIC address blocks: 4750 Unique aggregates announced from the LACNIC address blocks: 3020 LACNIC Region origin ASes present in the Internet Routing Table: 333 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 69 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 12505856 Equivalent to 0 /8s, 190 /16s and 211 /24s Percentage of available LACNIC address space announced: 37.3 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1083 1103 771 Telstra Pty Ltd 4755 415 134 72 Videsh Sanchar Nigam Ltd. Aut 2907 388 1993 365 SINET Japan 703 386 382 307 UUNET 17557 369 26 146 Pakistan Telecom 2764 317 341 281 connect.com.au pty ltd 4814 294 85 21 China Telecom (Group) 7474 271 291 207 Optus Communications Pty Ltd 17676 247 3814 19 XTAGE CORPORATION 3786 242 773 209 DACOM Corporation 4134 226 2038 116 Data Communications Bureau 9583 220 33 14 Satyam Infoway Ltd., 4766 216 2478 162 Korea Internet Exchange for " 9443 183 58 82 Primus Telecommunications 9800 179 259 57 CHINA UNICOM 9238 139 8 17 TATA ISP 4739 136 57 125 Commerical Internet eXchange 9498 133 9 19 BHARTI BT INTERNET LTD. 4716 126 729 120 TTnet 9768 126 384 64 Korea Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1564 8904 1102 UUNET Technologies, Inc. 7018 1334 7154 924 AT&T 4151 1083 691 60 USDA 1239 964 3091 676 Sprint 7132 963 6476 208 Southwestern Bell Internet Se 3908 918 1571 473 Supernet, Inc. 1 729 2710 464 GENUITY 189 706 341 289 Genuity 7843 655 346 169 Adelphia Corp. 4323 586 514 169 Time Warner Communications, I 18566 576 160 8 Covad Communications 852 550 1156 431 Telus Advanced Communications 2386 546 483 277 AT&T Data Communications Serv 705 533 286 237 UUNET Technologies, Inc. 3561 507 2340 329 Cable & Wireless USA 209 490 2104 295 Qwest 7066 486 204 260 Virginia Polytechnic Institut 6197 483 340 193 BellSouth Network Solutions, 690 482 69 315 Merit Network 20115 466 191 288 Charter Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 758 2172 639 UUNET - Commercial IP service 3320 347 2004 229 Deutsche Telekom AG 3301 307 1157 297 TeliaNet Sweden 3215 303 852 174 France Telecom Transpac 680 232 2053 229 DFN-IP service G-WiN 1257 226 327 188 SWIPnet Swedish IP Network 5400 201 111 113 BT Ignite European Backbone 8220 201 366 190 COLT Internet - International 719 193 307 125 LANLINK autonomous system 5515 189 795 153 Sonera Solution Autonomous Sy 786 180 1874 180 The JANET IP Service 20858 165 17 3 This AS will be used to conne 8708 164 44 151 Romania Data Systems S.A. 3303 141 517 140 Swisscom Ltd 12302 127 18 34 MobiFon S.A. 2856 124 1299 113 BTnet UK Regional network 3269 114 787 62 TELECOM ITALIA 3246 109 383 106 Song Networks 3352 107 748 30 Ibernet, Internet Access Netw 2874 97 85 38 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 291 98 105 ImpSat 7303 255 36 64 Telecom Argentina Stet-France 8151 220 335 122 UniNet S.A. de C.V. 11172 166 66 36 Servicios Alestra S.A de C.V 6503 141 206 101 AVANTEL, S.A. 16814 139 9 18 NSS, S.A. 10620 113 7 33 TVCABLE BOGOTA 11340 104 3 33 Red Universitaria Nacional 6147 91 62 20 Telefonica Del Peru 11992 88 8 36 Integrated Systems 4270 74 18 10 Red de Interconexion Universi 8065 74 8 16 Empresas Publicas de Medellin 13999 74 36 8 Mega Cable S.A. de C.V. 1916 73 306 43 Fundacao de Amparo a Pesquisa 6535 73 5 22 Chilesat Servicios Empresari 15311 72 28 36 Telefonica Empresas 11830 67 5 27 Instituto Costarricense de El 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela 7984 61 11 41 Global One Colombia Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4151 1083 1023 USDA 7132 963 755 Southwestern Bell Internet Se 18566 576 568 Covad Communications 7843 655 486 Adelphia Corp. 3908 918 445 Supernet, Inc. 189 706 417 Genuity 4323 586 417 Time Warner Communications, I 7018 1334 410 AT&T 4755 415 343 Videsh Sanchar Nigam Ltd. Aut 1221 1083 312 Telstra Pty Ltd 705 533 296 UUNET Technologies, Inc. 6197 483 290 BellSouth Network Solutions, 6347 371 290 SAVVIS Communications Corpora 4355 393 289 EarthLink, Inc. 1239 964 288 Sprint 6198 463 287 BellSouth Network Solutions, 22927 297 284 TELEFONICA DE ARGENTINA 4814 294 273 China Telecom (Group) 2386 546 269 AT&T Data Communications Serv 1 729 265 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 64512 PRIVATE 194.67.54.0/24 3216 Teleross, Moscow, Ru Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 192.16.52.0/24 1239 Sprint 192.43.230.0/24 4738 South Australian Academic Res 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 192.158.254.0/24 705 UUNET Technologies, Inc. 192.172.0.0/19 568 DISO-UNRRA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:5 /10:8 /11:13 /12:51 /13:93 /14:253 /15:468 /16:7418 /17:1677 /18:2969 /19:8385 /20:8389 /21:6004 /22:8959 /23:10636 /24:69736 /25:159 /26:184 /27:52 /28:25 /29:13 /30:22 /31:0 /32:26 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 189 627 706 Genuity 3908 574 918 Supernet, Inc. 18566 570 576 Covad Communications 7018 467 1334 AT&T 702 465 758 UUNET - Commercial IP service 701 433 1564 UUNET Technologies, Inc. 690 431 482 Merit Network 7843 418 655 Adelphia Corp. 7066 383 486 Virginia Polytechnic Institut 6198 362 463 BellSouth Network Solutions, 6197 360 483 BellSouth Network Solutions, 1239 357 964 Sprint 2386 329 546 AT&T Data Communications Serv 20115 329 466 Charter Communications 3320 290 347 Deutsche Telekom AG 4814 280 294 China Telecom (Group) 27364 263 270 Armstrong Cable Services 1 253 729 GENUITY 22927 235 297 TELEFONICA DE ARGENTINA 3215 226 303 France Telecom Transpac Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:695 13:1 15:4 16:1 17:3 20:8 24:804 25:1 32:87 38:121 40:19 44:2 55:1 57:16 61:444 62:609 63:1863 64:1642 65:1924 66:2420 67:182 68:367 69:121 80:362 81:156 128:146 129:180 130:45 131:80 132:11 133:1 134:143 135:4 136:113 137:107 138:108 139:65 140:139 141:111 142:98 143:44 144:100 145:17 146:269 147:95 148:288 149:72 150:44 151:78 152:244 153:57 154:2 155:112 156:46 157:42 158:127 159:147 160:37 161:73 162:142 163:76 164:308 165:142 166:95 167:334 168:408 169:62 170:308 171:7 192:5342 193:2422 194:1978 195:1036 196:461 198:3562 199:3743 200:2957 202:3804 203:5168 204:3036 205:2059 206:2355 207:2406 208:2616 209:2872 210:781 211:323 212:958 213:793 214:20 215:23 216:3215 217:621 218:90 219:22 220:93 End of report