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 04:00 +10GMT Sat 13 Mar, 2004 Analysis Summary ---------------- BGP routing table entries examined: 135072 Prefixes after maximum aggregation: 82400 Unique aggregates announced to Internet: 64895 Total ASes present in the Internet Routing Table: 16840 Origin-only ASes present in the Internet Routing Table: 14621 Origin ASes announcing only one prefix: 6757 Transit ASes present in the Internet Routing Table: 2219 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 31 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1285616612 Equivalent to 76 /8s, 160 /16s and 243 /24s Percentage of available address space announced: 34.7 Percentage of allocated address space announced: 59.6 Percentage of available address space allocated: 58.2 Total number of prefixes smaller than registry allocations: 60210 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 25225 Total APNIC prefixes after maximum aggregation: 13399 Prefixes being announced from the APNIC address blocks: 23588 Unique aggregates announced from the APNIC address blocks: 13538 APNIC Region origin ASes present in the Internet Routing Table: 2029 APNIC Region origin ASes announcing only one prefix: 606 APNIC Region transit ASes present in the Internet Routing Table: 322 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 138196480 Equivalent to 8 /8s, 60 /16s and 182 /24s Percentage of available APNIC address space announced: 74.5 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: 78290 Total ARIN prefixes after maximum aggregation: 48396 Prefixes being announced from the ARIN address blocks: 60570 Unique aggregates announced from the ARIN address blocks: 21084 ARIN Region origin ASes present in the Internet Routing Table: 9019 ARIN Region origin ASes announcing only one prefix: 3202 ARIN Region transit ASes present in the Internet Routing Table: 877 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 220119072 Equivalent to 13 /8s, 30 /16s and 192 /24s Percentage of available ARIN address space announced: 72.9 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 31744 - 32767 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 24641 Total RIPE prefixes after maximum aggregation: 17721 Prefixes being announced from the RIPE address blocks: 21387 Unique aggregates announced from the RIPE address blocks: 13611 RIPE Region origin ASes present in the Internet Routing Table: 5263 RIPE Region origin ASes announcing only one prefix: 2823 RIPE Region transit ASes present in the Internet Routing Table: 906 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 155526656 Equivalent to 9 /8s, 69 /16s and 38 /24s Percentage of available RIPE address space announced: 71.3 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 30720 - 31743 RIPE Address Blocks 62/8, 80/6, 84/8, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5711 Total LACNIC prefixes after maximum aggregation: 2202 Prefixes being announced from the LACNIC address blocks: 5356 Unique aggregates announced from the LACNIC address blocks: 3320 LACNIC Region origin ASes present in the Internet Routing Table: 368 LACNIC Region origin ASes announcing only one prefix: 100 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 14347520 Equivalent to 0 /8s, 218 /16s and 237 /24s Percentage of available LACNIC address space announced: 42.8 LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7 Emerging AfriNIC Region Analysis Summary ---------------------------------------- Prefixes being announced by AfriNIC Region ASes: 1203 Total AfriNIC prefixes after maximum aggregation: 682 Prefixes being announced from the AfriNIC address blocks: 742 Unique aggregates announced from the AfriNIC address blocks: 560 AfriNIC Region origin ASes present in the Internet Routing Table: 92 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1836032 Equivalent to 0 /8s, 28 /16s and 4 /24s Percentage of available AfriNIC address space announced: 10.9 AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 884 1102 629 Telstra Pty Ltd 4134 659 2600 115 Data Communications Bureau 4766 444 2914 242 Korea Internet Exchange for " 9583 384 38 93 Satyam Infoway Ltd., 4755 361 130 59 Videsh Sanchar Nigam Ltd. Aut 2907 357 1830 334 SINET Japan 9443 356 70 81 Primus Telecommunications 703 338 374 260 UUNET 17557 338 24 172 Pakistan Telecom 17676 299 4412 39 XTAGE CORPORATION 2764 298 274 242 connect.com.au pty ltd 7474 270 304 210 Optus Communications Pty Ltd 9942 241 70 138 COMindico Australia 9929 228 155 30 China Netcom Corp. 9800 214 347 55 CHINA UNICOM 9498 196 31 38 BHARTI BT INTERNET LTD. 4837 169 1571 102 chinanet IDC center beijing n 9304 164 157 20 Hutchison Telecom (HK) 4739 150 60 138 Commerical Internet eXchange 17964 149 119 56 Beijing Dian-Xin-Tong Network ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1412 7211 988 AT&T 701 1340 8575 960 UUNET Technologies, Inc. 1239 951 3068 654 Sprint 3356 854 10945 680 Level 3 Communications, LLC 209 719 3532 507 Qwest 18566 691 192 8 Covad Communications 4323 689 559 199 Time Warner Communications, I 6197 679 442 268 BellSouth Network Solutions, 20115 631 348 332 Charter Communications 6198 548 354 196 BellSouth Network Solutions, 852 513 1123 403 Telus Advanced Communications 7066 499 207 271 Virginia Polytechnic Institut 7843 493 593 121 Adelphia Corp. 7132 471 7834 324 Southwestern Bell Internet Se 2386 432 579 231 AT&T Data Communications Serv 690 397 58 267 Merit Network 4355 397 323 103 EarthLink, Inc. 27364 388 28 23 Armstrong Cable Services 376 380 343 113 Reseau Interordinateurs Scien 19029 374 168 248 New Edge Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 676 2039 565 UUNET - Commercial IP service 3301 338 1178 317 TeliaNet Sweden 3320 287 1965 235 Deutsche Telekom AG 8220 264 412 251 COLT Internet - International 680 242 2027 238 DFN-IP service G-WiN 1257 236 510 195 SWIPnet Swedish IP Network 719 233 288 105 LANLINK autonomous system 13083 216 51 8 Mannesmann Datenverarbeitung 3246 192 449 189 Song Networks 786 175 1826 175 The JANET IP Service 8708 172 111 162 Romania Data Systems S.A. 1273 169 172 100 Cable & Wireless Deutschland 5515 168 762 135 Sonera Solution Autonomous Sy 25186 165 186 108 France Telecom Transpac's Tra 3215 164 800 79 France Telecom Transpac 5400 151 223 134 BT Ignite European Backbone 3303 137 620 137 Swisscom Ltd 6746 134 27 113 Dynamic Network Technologies, 3269 125 1037 65 TELECOM ITALIA 12302 121 17 28 MobiFon S.A. LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 375 123 64 ImpSat 8151 260 384 127 UniNet S.A. de C.V. 11172 207 75 43 Servicios Alestra S.A de C.V 16814 156 11 6 NSS, S.A. 6503 141 220 97 AVANTEL, S.A. 7303 138 52 31 Telecom Argentina Stet-France 6147 132 78 20 Telefonica Del Peru 6505 132 90 92 Global One Communicaoes Ltda 11992 100 9 28 Integrated Systems 11556 88 73 25 Cable-Wireless Panama 6535 79 5 19 Chilesat Servicios Empresari 15311 78 18 38 Telefonica Empresas 4270 71 18 9 Red de Interconexion Universi 11311 70 7 17 Sinectis S.A. 14535 68 6 5 Techtel S.A. 5639 64 7 13 Telecommunications Services o 7080 64 4 1 Electronica y Comunicaciones 14420 64 4 23 ANDINATEL S.A. 7738 62 234 14 Telecomunicacoes da Bahia S.A 10292 62 6 26 TELECOMMUNICATIONS OF JAMAICA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 251 632 218 The Internet Solution 5536 105 8 3 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 272 80 The Internetworking Company o 2561 57 6 3 Egyptian Universities Network 11845 38 9 11 Data Pro Business Online 3208 33 2 1 ARN Network 9129 32 3 4 UUNET Kenya 16637 25 9 18 Johnnic e-Ventures 5713 24 93 22 Telkom SA Ltd 12455 24 4 2 Jambonet Autonomous system 24835 23 18 6 RAYA Telecom - Egypt 6713 22 38 9 Itissalat Al-MAGHRIB 14988 22 16 1 Botswana Telecommunications C 8524 18 2 4 AUCEGYPT Autonomous System 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 15808 16 1 7 Communication Solutions Ltd i 15825 16 1 9 Network Computer Systems Auto 12258 15 3 10 Vodacom Internet Company Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 18566 691 683 Covad Communications 4134 659 544 Data Communications Bureau 4323 689 490 Time Warner Communications, I 6197 679 411 BellSouth Network Solutions, 701 1340 380 UUNET Technologies, Inc. 7843 493 372 Adelphia Corp. 27364 388 365 Armstrong Cable Services 6198 548 352 BellSouth Network Solutions, 22909 372 346 Comcast Cable Corporation 5668 350 335 Century Telephone 22773 350 313 Cox Communications, Inc. Atla 6140 375 311 ImpSat 4755 361 302 Videsh Sanchar Nigam Ltd. Aut 20115 631 299 Charter Communications 1239 951 297 Sprint 4355 397 294 EarthLink, Inc. 9583 384 291 Satyam Infoway Ltd., 6347 370 289 SAVVIS Communications Corpora 9443 356 275 Primus Telecommunications 376 380 267 Reseau Interordinateurs Scien List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 29975 UNALLOCATED 196.46.160.0/20 3741 The Internet Solutio 64541 PRIVATE 209.120.215.0/24 22551 Anobi Technology Cor 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 568 DISO-UNRRA 158.0.0.0/13 568 DISO-UNRRA 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 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 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 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 /9:3 /10:6 /11:14 /12:58 /13:107 /14:291 /15:509 /16:7626 /17:1934 /18:3517 /19:9067 /20:9498 /21:6940 /22:9739 /23:11232 /24:73776 /25:198 /26:283 /27:159 /28:30 /29:8 /30:42 /31:0 /32:15 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 674 691 Covad Communications 6197 520 679 BellSouth Network Solutions, 7018 505 1412 AT&T 3356 461 854 Level 3 Communications, LLC 702 412 676 UUNET - Commercial IP service 6198 396 548 BellSouth Network Solutions, 7066 394 499 Virginia Polytechnic Institut 20115 385 631 Charter Communications 27364 381 388 Armstrong Cable Services 701 371 1340 UUNET Technologies, Inc. 690 360 397 Merit Network 1239 347 951 Sprint 5668 309 350 Century Telephone 4766 266 444 Korea Internet Exchange for " 25844 244 244 Skadden, Arps, Slate, Meagher 19029 242 374 New Edge Networks 3320 235 287 Deutsche Telekom AG 6517 230 252 Yipes Communications, Inc. 9583 229 384 Satyam Infoway Ltd., 13609 220 260 Choice One Communications Inc Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 12:798 13:1 15:4 16:1 17:3 20:6 24:839 32:84 38:52 40:56 44:3 55:1 56:1 57:12 61:385 62:482 63:1825 64:1884 65:1934 66:2364 67:280 68:560 69:433 80:477 81:256 82:121 83:10 128:139 129:243 130:73 131:79 132:16 134:177 135:16 136:186 137:107 138:152 139:46 140:149 141:135 142:107 143:49 144:80 145:37 146:289 147:76 148:368 149:85 150:101 151:62 152:214 153:60 154:1 155:127 156:62 157:57 158:146 159:141 160:50 161:55 162:375 163:78 164:324 165:162 166:111 167:211 168:210 169:99 170:302 171:8 192:5527 193:2629 194:2020 195:1351 196:525 198:3655 199:2953 200:3185 201:7 202:4494 203:5472 204:2989 205:1999 206:2261 207:2619 208:2402 209:2881 210:1153 211:479 212:919 213:1092 214:22 215:26 216:3336 217:865 218:154 219:101 220:195 221:19 222:6 End of report