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 If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 20:00 +10GMT Fri 13 Jun, 2003 Analysis Summary ---------------- BGP routing table entries examined: 126129 Prefixes after maximum aggregation: 79032 Unique aggregates announced to Internet: 59425 Total ASes present in the Internet Routing Table: 15334 Origin-only ASes present in the Internet Routing Table: 13292 Origin ASes announcing only one prefix: 6018 Transit ASes present in the Internet Routing Table: 2042 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 255 Illegal AS announcements present in the Routing Table: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 17 Number of addresses announced to Internet: 1251322176 Equivalent to 74 /8s, 149 /16s and 169 /24s Percentage of available address space announced: 33.8 Percentage of allocated address space announced: 60.3 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 55636 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21478 Total APNIC prefixes after maximum aggregation: 12586 Prefixes being announced from the APNIC address blocks: 19892 Unique aggregates announced from the APNIC address blocks: 12186 APNIC Region origin ASes present in the Internet Routing Table: 1817 APNIC Region origin ASes announcing only one prefix: 521 APNIC Region transit ASes present in the Internet Routing Table: 298 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 114817952 Equivalent to 6 /8s, 215 /16s and 251 /24s Percentage of available APNIC address space announced: 61.9 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: 77450 Total ARIN prefixes after maximum aggregation: 48216 Prefixes being announced from the ARIN address blocks: 55548 Unique aggregates announced from the ARIN address blocks: 16496 ARIN Region origin ASes present in the Internet Routing Table: 8476 ARIN Region origin ASes announcing only one prefix: 2894 ARIN Region transit ASes present in the Internet Routing Table: 814 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 192875776 Equivalent to 11 /8s, 127 /16s and 13 /24s Percentage of available ARIN address space announced: 71.9 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: 21791 Total RIPE prefixes after maximum aggregation: 15988 Prefixes being announced from the RIPE address blocks: 18247 Unique aggregates announced from the RIPE address blocks: 12202 RIPE Region origin ASes present in the Internet Routing Table: 4634 RIPE Region origin ASes announcing only one prefix: 2516 RIPE Region transit ASes present in the Internet Routing Table: 830 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 132097536 Equivalent to 7 /8s, 223 /16s and 166 /24s Percentage of available RIPE address space announced: 71.6 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, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5401 Total LACNIC prefixes after maximum aggregation: 2242 Prefixes being announced from the LACNIC address blocks: 4817 Unique aggregates announced from the LACNIC address blocks: 2991 LACNIC Region origin ASes present in the Internet Routing Table: 335 LACNIC Region origin ASes announcing only one prefix: 87 LACNIC Region transit ASes present in the Internet Routing Table: 67 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 12709120 Equivalent to 0 /8s, 193 /16s and 237 /24s Percentage of available LACNIC address space announced: 37.9 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 1073 1087 764 Telstra Pty Ltd 4755 419 133 70 Videsh Sanchar Nigam Ltd. Aut 2907 374 1895 350 SINET Japan 17557 348 25 148 Pakistan Telecom 703 343 371 272 UUNET 2764 311 341 278 connect.com.au pty ltd 7474 274 306 205 Optus Communications Pty Ltd 17676 250 3862 19 XTAGE CORPORATION 3786 243 773 210 DACOM Corporation 4134 240 2066 119 Data Communications Bureau 9583 229 35 21 Satyam Infoway Ltd., 4766 212 2475 159 Korea Internet Exchange for " 9800 183 294 59 CHINA UNICOM 9443 182 58 82 Primus Telecommunications 9498 155 10 24 BHARTI BT INTERNET LTD. 4739 139 58 127 Commerical Internet eXchange 9238 135 8 18 TATA ISP 7539 130 156 104 TANet2, sponsored by NSC, TAI 4716 128 745 122 TTnet 9768 126 384 60 Korea Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1549 8897 1094 UUNET Technologies, Inc. 7018 1338 7181 927 AT&T 7132 1015 6572 227 Southwestern Bell Internet Se 1239 949 3018 667 Sprint 3908 915 1549 480 Supernet, Inc. 189 683 340 296 Genuity 11305 647 170 72 Interland Incorporated 7843 618 360 171 Adelphia Corp. 1 617 2603 419 GENUITY 4323 603 525 175 Time Warner Communications, I 18566 599 160 8 Covad Communications 852 527 1124 416 Telus Advanced Communications 705 510 273 333 UUNET Technologies, Inc. 209 494 2106 299 Qwest 6197 493 343 195 BellSouth Network Solutions, 7066 484 204 259 Virginia Polytechnic Institut 6198 466 230 177 BellSouth Network Solutions, 20115 462 194 283 Charter Communications 690 448 65 293 Merit Network 2386 403 506 235 AT&T Data Communications Serv RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 750 2174 636 UUNET - Commercial IP service 3301 304 1171 291 TeliaNet Sweden 3215 284 864 159 France Telecom Transpac 5515 281 795 150 Sonera Solution Autonomous Sy 3320 265 2004 227 Deutsche Telekom AG 719 261 307 124 LANLINK autonomous system 680 232 2053 229 DFN-IP service G-WiN 8220 224 384 212 COLT Internet - International 1257 223 315 185 SWIPnet Swedish IP Network 5400 220 139 129 BT Ignite European Backbone 786 179 1874 179 The JANET IP Service 8708 152 44 149 Romania Data Systems S.A. 3303 140 549 137 Swisscom Ltd 12302 128 18 35 MobiFon S.A. 2856 123 1315 113 BTnet UK Regional network 3246 118 366 114 Song Networks 3269 118 823 65 TELECOM ITALIA 3352 109 780 32 Ibernet, Internet Access Netw 2647 99 4129 39 SITA 5511 95 177 76 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 296 98 109 ImpSat 7303 238 37 57 Telecom Argentina Stet-France 8151 214 350 117 UniNet S.A. de C.V. 11172 171 66 40 Servicios Alestra S.A de C.V 16814 135 9 17 NSS, S.A. 6503 130 189 93 AVANTEL, S.A. 10620 115 7 32 TVCABLE BOGOTA 11340 105 3 33 Red Universitaria Nacional 6147 97 70 21 Telefonica Del Peru 11992 90 9 34 Integrated Systems 13999 86 36 8 Mega Cable S.A. de C.V. 8065 82 9 16 Empresas Publicas de Medellin 6535 74 5 21 Chilesat Servicios Empresari 1916 73 306 43 Fundacao de Amparo a Pesquisa 15311 71 12 35 Telefonica Empresas 11311 69 7 13 Sinectis S.A. 4270 68 18 9 Red de Interconexion Universi 11830 66 4 27 Instituto Costarricense de El 7927 65 5 40 Global One Venezuela 7080 64 4 1 Electronica y Comunicaciones Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7132 1015 788 Southwestern Bell Internet Se 18566 599 591 Covad Communications 11305 647 575 Interland Incorporated 7843 618 447 Adelphia Corp. 3908 915 435 Supernet, Inc. 4323 603 428 Time Warner Communications, I 7018 1338 411 AT&T 189 683 387 Genuity 4755 419 349 Videsh Sanchar Nigam Ltd. Aut 1221 1073 309 Telstra Pty Ltd 6197 493 298 BellSouth Network Solutions, 4355 398 294 EarthLink, Inc. 27364 312 294 Armstrong Cable Services 6198 466 289 BellSouth Network Solutions, 22927 298 285 TELEFONICA DE ARGENTINA 6347 363 284 SAVVIS Communications Corpora 1239 949 282 Sprint 376 383 267 Reseau Interordinateurs Scien 22909 276 264 Comcast Cable Corporation 17676 250 231 XTAGE CORPORATION List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65516 PRIVATE 61.232.70.0/24 17621 China Netcom Corp. 65516 PRIVATE 61.232.71.0/24 17621 China Netcom Corp. 65516 PRIVATE 61.232.72.0/22 17621 China Netcom Corp. 1877 UNALLOCATED 192.108.199.0/24 1880 Stupi, house man's p 64811 PRIVATE 211.154.136.0/23 4813 China Telecom(Group) 64811 PRIVATE 211.154.138.0/23 4813 China Telecom(Group) 64811 PRIVATE 211.154.152.0/23 4813 China Telecom(Group) 64811 PRIVATE 211.154.154.0/23 4813 China Telecom(Group) 65501 PRIVATE 218.144.170.128/26 4766 Korea Internet Excha 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 172.208.0.0/14 1668 GNN Hosting Service 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 192.153.136.0/21 568 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 /8:20 /9:5 /10:8 /11:13 /12:53 /13:99 /14:256 /15:470 /16:7426 /17:1692 /18:2993 /19:8480 /20:8562 /21:6138 /22:9082 /23:10660 /24:69576 /25:165 /26:256 /27:58 /28:41 /29:26 /30:23 /31:0 /32:27 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 189 606 683 Genuity 18566 593 599 Covad Communications 3908 573 915 Supernet, Inc. 11305 573 647 Interland Incorporated 7018 466 1338 AT&T 702 458 750 UUNET - Commercial IP service 701 433 1549 UUNET Technologies, Inc. 690 406 448 Merit Network 7066 381 484 Virginia Polytechnic Institut 7843 378 618 Adelphia Corp. 6197 368 493 BellSouth Network Solutions, 6198 364 466 BellSouth Network Solutions, 1239 358 949 Sprint 20115 323 462 Charter Communications 27364 306 312 Armstrong Cable Services 22927 236 298 TELEFONICA DE ARGENTINA 1 225 617 GENUITY 19262 221 257 Verizon Global Networks 4355 217 398 EarthLink, Inc. 3215 213 284 France Telecom Transpac Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:704 13:1 15:4 16:1 17:3 20:7 24:854 25:1 32:95 38:40 40:21 44:2 57:17 61:261 62:343 63:1875 64:1950 65:1967 66:2581 67:178 68:375 69:202 80:361 81:129 128:142 129:176 130:47 131:81 132:26 134:174 135:4 136:116 137:106 138:109 139:64 140:158 141:120 142:94 143:43 144:106 145:16 146:272 147:97 148:288 149:61 150:44 151:70 152:231 153:60 154:7 155:116 156:54 157:45 158:127 159:138 160:43 161:76 162:130 163:77 164:312 165:143 166:94 167:318 168:408 169:61 170:312 171:8 192:5352 193:2474 194:2003 195:1057 196:474 198:3564 199:2717 200:2996 202:3793 203:5245 204:3001 205:2050 206:2369 207:2425 208:2593 209:2900 210:814 211:353 212:984 213:810 214:19 215:23 216:3554 217:628 218:89 219:44 220:94 221:3 End of report