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 02 May, 2003 Analysis Summary ---------------- BGP routing table entries examined: 125192 Prefixes after maximum aggregation: 78322 Unique aggregates announced to Internet: 59136 Total ASes present in the Internet Routing Table: 15117 Origin-only ASes present in the Internet Routing Table: 13122 Origin ASes announcing only one prefix: 5953 Transit ASes present in the Internet Routing Table: 1995 Transit-only ASes present in the Internet Routing Table: 74 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: 1 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1228266752 Equivalent to 73 /8s, 53 /16s and 221 /24s Percentage of available address space announced: 33.1 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 55.9 Total number of prefixes smaller than registry allocations: 54267 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 21236 Total APNIC prefixes after maximum aggregation: 12342 Prefixes being announced from the APNIC address blocks: 19674 Unique aggregates announced from the APNIC address blocks: 11997 APNIC Region origin ASes present in the Internet Routing Table: 1790 APNIC Region origin ASes announcing only one prefix: 523 APNIC Region transit ASes present in the Internet Routing Table: 301 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 112666592 Equivalent to 6 /8s, 183 /16s and 39 /24s Percentage of available APNIC address space announced: 60.7 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: 77078 Total ARIN prefixes after maximum aggregation: 47950 Prefixes being announced from the ARIN address blocks: 55091 Unique aggregates announced from the ARIN address blocks: 16452 ARIN Region origin ASes present in the Internet Routing Table: 8360 ARIN Region origin ASes announcing only one prefix: 2858 ARIN Region transit ASes present in the Internet Routing Table: 789 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 191327744 Equivalent to 11 /8s, 103 /16s and 110 /24s Percentage of available ARIN address space announced: 71.3 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: 21575 Total RIPE prefixes after maximum aggregation: 15802 Prefixes being announced from the RIPE address blocks: 18129 Unique aggregates announced from the RIPE address blocks: 12085 RIPE Region origin ASes present in the Internet Routing Table: 4558 RIPE Region origin ASes announcing only one prefix: 2482 RIPE Region transit ASes present in the Internet Routing Table: 805 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 129880704 Equivalent to 7 /8s, 189 /16s and 210 /24s Percentage of available RIPE address space announced: 70.4 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: 5302 Total LACNIC prefixes after maximum aggregation: 2228 Prefixes being announced from the LACNIC address blocks: 4747 Unique aggregates announced from the LACNIC address blocks: 2977 LACNIC Region origin ASes present in the Internet Routing Table: 334 LACNIC Region origin ASes announcing only one prefix: 90 LACNIC Region transit ASes present in the Internet Routing Table: 67 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 12494336 Equivalent to 0 /8s, 190 /16s and 166 /24s Percentage of available LACNIC address space announced: 37.2 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 1100 1104 787 Telstra Pty Ltd 4755 415 136 74 Videsh Sanchar Nigam Ltd. Aut 703 394 383 307 UUNET 2907 387 1992 364 SINET Japan 17557 373 27 140 Pakistan Telecom 2764 320 341 288 connect.com.au pty ltd 4814 297 85 23 China Telecom (Group) 7474 272 291 208 Optus Communications Pty Ltd 17676 245 3782 22 XTAGE CORPORATION 3786 242 773 209 DACOM Corporation 4134 225 2022 115 Data Communications Bureau 9583 219 33 14 Satyam Infoway Ltd., 4766 217 2478 163 Korea Internet Exchange for " 9443 180 58 79 Primus Telecommunications 9800 179 259 57 CHINA UNICOM 9238 140 8 17 TATA ISP 4739 136 57 125 Commerical Internet eXchange 9498 130 9 18 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 1568 8938 1106 UUNET Technologies, Inc. 7018 1336 7143 926 AT&T 4151 1003 691 60 USDA 1239 966 3114 684 Sprint 7132 961 6475 207 Southwestern Bell Internet Se 3908 916 1570 469 Supernet, Inc. 1 725 2733 460 GENUITY 189 706 341 289 Genuity 7843 684 345 184 Adelphia Corp. 4323 587 514 169 Time Warner Communications, I 18566 550 144 5 Covad Communications 852 548 1110 431 Telus Advanced Communications 2386 546 484 271 AT&T Data Communications Serv 705 529 280 234 UUNET Technologies, Inc. 3561 507 2340 329 Cable & Wireless USA 209 498 2105 296 Qwest 690 487 71 317 Merit Network 7066 484 204 258 Virginia Polytechnic Institut 6197 478 340 196 BellSouth Network Solutions, 20115 475 190 295 Charter Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 771 2170 641 UUNET - Commercial IP service 3301 308 1173 298 TeliaNet Sweden 3215 304 852 174 France Telecom Transpac 3320 266 2004 227 Deutsche Telekom AG 680 231 2051 228 DFN-IP service G-WiN 1257 227 328 189 SWIPnet Swedish IP Network 5400 205 112 114 BT Ignite European Backbone 8220 199 364 188 COLT Internet - International 719 193 307 125 LANLINK autonomous system 5515 187 779 160 Sonera Solution Autonomous Sy 786 180 1874 180 The JANET IP Service 20858 165 17 3 This AS will be used to conne 8708 162 44 151 Romania Data Systems S.A. 3303 141 517 140 Swisscom Ltd 12302 127 18 34 MobiFon S.A. 2856 123 1299 112 BTnet UK Regional network 3269 112 755 63 TELECOM ITALIA 3246 109 383 106 Song Networks 3352 108 750 31 Ibernet, Internet Access Netw 2874 99 84 37 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 289 98 105 ImpSat 7303 255 36 65 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 96 3 30 Red Universitaria Nacional 6147 91 62 20 Telefonica Del Peru 11992 89 8 37 Integrated Systems 13999 74 36 8 Mega Cable S.A. de C.V. 1916 73 306 43 Fundacao de Amparo a Pesquisa 6535 72 5 21 Chilesat Servicios Empresari 15311 72 28 36 Telefonica Empresas 8065 70 6 15 Empresas Publicas de Medellin 4270 67 18 9 Red de Interconexion Universi 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 1003 943 USDA 7132 961 754 Southwestern Bell Internet Se 18566 550 545 Covad Communications 7843 684 500 Adelphia Corp. 3908 916 447 Supernet, Inc. 4323 587 418 Time Warner Communications, I 189 706 417 Genuity 7018 1336 410 AT&T 4755 415 341 Videsh Sanchar Nigam Ltd. Aut 1221 1100 313 Telstra Pty Ltd 705 529 295 UUNET Technologies, Inc. 6347 369 289 SAVVIS Communications Corpora 6198 458 283 BellSouth Network Solutions, 1239 966 282 Sprint 6197 478 282 BellSouth Network Solutions, 4355 381 281 EarthLink, Inc. 2386 546 275 AT&T Data Communications Serv 22927 288 275 TELEFONICA DE ARGENTINA 4814 297 274 China Telecom (Group) 1 725 265 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 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 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 /9:7 /10:8 /11:13 /12:51 /13:93 /14:253 /15:465 /16:7401 /17:1674 /18:2975 /19:8384 /20:8371 /21:5991 /22:8963 /23:10531 /24:69523 /25:157 /26:182 /27:47 /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 572 916 Supernet, Inc. 18566 544 550 Covad Communications 702 480 771 UUNET - Commercial IP service 7018 466 1336 AT&T 7843 452 684 Adelphia Corp. 690 436 487 Merit Network 701 434 1568 UUNET Technologies, Inc. 7066 383 484 Virginia Polytechnic Institut 1239 363 966 Sprint 6198 360 458 BellSouth Network Solutions, 6197 356 478 BellSouth Network Solutions, 20115 340 475 Charter Communications 2386 327 546 AT&T Data Communications Serv 4814 284 297 China Telecom (Group) 27364 263 270 Armstrong Cable Services 1 249 725 GENUITY 3215 227 304 France Telecom Transpac 22927 226 288 TELEFONICA DE ARGENTINA 705 219 529 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:692 13:1 15:4 17:3 20:8 24:815 25:1 32:87 38:121 40:19 44:2 55:1 57:15 61:440 62:539 63:1888 64:1568 65:1928 66:2401 67:163 68:372 69:121 80:358 81:154 128:151 129:178 130:44 131:81 132:11 133:2 134:152 135:4 136:113 137:106 138:109 139:67 140:151 141:110 142:97 143:43 144:104 145:17 146:268 147:94 148:282 149:73 150:44 151:78 152:244 153:55 154:2 155:111 156:46 157:42 158:125 159:148 160:36 161:74 162:144 163:75 164:307 165:143 166:94 167:332 168:397 169:57 170:308 171:7 192:5340 193:2422 194:1984 195:1012 196:462 198:3557 199:3677 200:2955 202:3795 203:5190 204:3037 205:2029 206:2374 207:2408 208:2617 209:2859 210:776 211:319 212:970 213:812 214:20 215:21 216:3221 217:634 218:90 219:21 220:94 End of report