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 14 Mar, 2003 Analysis Summary ---------------- BGP routing table entries examined: 122691 Prefixes after maximum aggregation: 77882 Unique aggregates announced to Internet: 59156 Total ASes present in the Internet Routing Table: 14794 Origin-only ASes present in the Internet Routing Table: 12844 Origin ASes announcing only one prefix: 5802 Transit ASes present in the Internet Routing Table: 1950 Transit-only ASes present in the Internet Routing Table: 63 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 17 Illegal AS announcements present in the Routing Table: 11 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 19 Number of addresses announced to Internet: 1200324997 Equivalent to 71 /8s, 139 /16s and 129 /24s Percentage of available address space announced: 32.4 Percentage of allocated address space announced: 58.4 Percentage of available address space allocated: 55.5 Total number of prefixes smaller than registry allocations: 57483 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 20728 Total APNIC prefixes after maximum aggregation: 12168 Prefixes being announced from the APNIC address blocks: 19176 Unique aggregates announced from the APNIC address blocks: 11712 APNIC Region origin ASes present in the Internet Routing Table: 1752 APNIC Region origin ASes announcing only one prefix: 520 APNIC Region transit ASes present in the Internet Routing Table: 291 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 107177632 Equivalent to 6 /8s, 99 /16s and 102 /24s Percentage of available APNIC address space announced: 56.8 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: 75400 Total ARIN prefixes after maximum aggregation: 47895 Prefixes being announced from the ARIN address blocks: 53746 Unique aggregates announced from the ARIN address blocks: 16847 ARIN Region origin ASes present in the Internet Routing Table: 8215 ARIN Region origin ASes announcing only one prefix: 2774 ARIN Region transit ASes present in the Internet Routing Table: 783 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 187492544 Equivalent to 11 /8s, 44 /16s and 232 /24s Percentage of available ARIN address space announced: 69.8 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: 21250 Total RIPE prefixes after maximum aggregation: 15599 Prefixes being announced from the RIPE address blocks: 17757 Unique aggregates announced from the RIPE address blocks: 11851 RIPE Region origin ASes present in the Internet Routing Table: 4436 RIPE Region origin ASes announcing only one prefix: 2422 RIPE Region transit ASes present in the Internet Routing Table: 800 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 127895552 Equivalent to 7 /8s, 159 /16s and 136 /24s Percentage of available RIPE address space announced: 76.2 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: 5303 Total LACNIC prefixes after maximum aggregation: 2220 Prefixes being announced from the LACNIC address blocks: 4681 Unique aggregates announced from the LACNIC address blocks: 3037 LACNIC Region origin ASes present in the Internet Routing Table: 330 LACNIC Region origin ASes announcing only one prefix: 86 LACNIC Region transit ASes present in the Internet Routing Table: 66 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 12343552 Equivalent to 0 /8s, 188 /16s and 89 /24s Percentage of available LACNIC address space announced: 73.6 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 1097 1106 801 Telstra Pty Ltd 703 404 370 313 UUNET 2907 387 1959 366 SINET Japan 17557 367 26 141 Pakistan Telecom 2764 324 340 291 connect.com.au pty ltd 4134 309 2662 98 Data Communications Bureau 7474 306 275 207 Optus Communications Pty Ltd 4814 264 79 15 China Telecom (Group) 3786 249 772 211 DACOM Corporation 17676 232 3574 24 XTAGE CORPORATION 4755 230 133 74 Videsh Sanchar Nigam Ltd. Aut 9583 217 33 13 Satyam Infoway Ltd., 4766 206 2074 155 Korea Internet Exchange for " 9443 179 57 77 Primus Telecommunications 9800 166 205 41 CHINA UNICOM 4765 152 10 14 World Net & Services Co., Ltd 9238 138 8 17 TATA ISP 4716 128 733 122 TTnet 4739 128 57 116 Commerical Internet eXchange 7539 127 164 120 TANet2, sponsored by NSC, TAI ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1571 8855 1128 UUNET Technologies, Inc. 7018 1374 7149 954 AT&T 3908 1263 1590 490 Supernet, Inc. 1239 980 3153 694 Sprint 1 663 8088 432 GENUITY 7843 603 413 190 Adelphia Corp. 4323 556 490 172 Time Warner Communications, I 852 553 1107 435 Telus Advanced Communications 4151 534 691 59 USDA 209 532 2091 340 Qwest 18566 518 119 10 Covad Communications 690 503 73 313 Merit Network 6197 493 559 115 BellSouth Network Solutions, 3561 492 2303 338 Cable & Wireless USA 7066 490 204 254 Virginia Polytechnic Institut 2386 480 479 242 AT&T Data Communications Serv 705 449 165 195 UUNET Technologies, Inc. 6198 449 196 196 BellSouth Network Solutions, 3549 405 695 309 Global Crossing 20115 393 166 262 Charter Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 786 2234 650 UUNET - Commercial IP service 3301 314 1143 304 TeliaNet Sweden 3215 307 818 172 France Telecom Transpac 3320 266 1996 229 Deutsche Telekom AG 680 232 2054 229 DFN-IP service G-WiN 1257 219 370 196 SWIPnet Swedish IP Network 5400 219 78 102 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 147 17 3 This AS will be used to conne 3303 145 517 144 Swisscom Ltd 8220 128 182 119 COLT Internet - International 12302 123 18 30 MobiFon S.A. 2856 118 1298 108 BTnet UK Regional network 3269 110 750 60 TELECOM ITALIA 3233 108 11 12 RNC - Romanian Natioanal R&D 3246 105 360 102 Song Networks 3352 101 670 31 Ibernet, Internet Access Netw LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 292 98 105 ImpSat 7303 242 36 56 Telecom Argentina Stet-France 8151 215 341 117 UniNet S.A. de C.V. 11172 161 66 33 Servicios Alestra S.A de C.V 6503 158 191 110 AVANTEL, S.A. 16814 139 9 18 NSS, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 11340 110 3 38 Red Universitaria Nacional 10620 107 7 31 TVCABLE BOGOTA 6147 76 62 20 Telefonica Del Peru 1916 75 306 45 Fundacao de Amparo a Pesquisa 11992 74 8 35 Integrated Systems 8065 73 6 18 Empresas Publicas de Medellin 6535 72 5 23 Chilesat Servicios Empresari 15311 71 27 36 Telefonica Empresas 4270 69 18 10 Red de Interconexion Universi 7984 66 11 42 Global One Colombia 7080 64 4 1 Electronica y Comunicaciones 7927 64 5 39 Global One Venezuela 11830 61 5 20 Instituto Costarricense de El Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1263 773 Supernet, Inc. 18566 518 508 Covad Communications 4151 534 475 USDA 7018 1374 420 AT&T 7843 603 413 Adelphia Corp. 4323 556 384 Time Warner Communications, I 6197 493 378 BellSouth Network Solutions, 11492 321 317 Cable One 1221 1097 296 Telstra Pty Ltd 6347 371 291 SAVVIS Communications Corpora 1239 980 286 Sprint 22927 295 281 TELEFONICA DE ARGENTINA 4355 391 279 EarthLink, Inc. 705 449 254 UUNET Technologies, Inc. 6198 449 253 BellSouth Network Solutions, 4814 264 249 China Telecom (Group) 27364 258 240 Armstrong Cable Services 2386 480 238 AT&T Data Communications Serv 7066 490 236 Virginia Polytechnic Institut 1 663 231 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 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 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 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 /8:17 /9:3 /10:8 /11:13 /12:46 /13:89 /14:238 /15:448 /16:7343 /17:1609 /18:2908 /19:8230 /20:8163 /21:5852 /22:8860 /23:10607 /24:67496 /25:167 /26:193 /27:109 /28:87 /29:63 /30:78 /31:4 /32:60 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 832 1263 Supernet, Inc. 18566 513 518 Covad Communications 702 490 786 UUNET - Commercial IP service 7018 478 1374 AT&T 690 452 503 Merit Network 701 451 1571 UUNET Technologies, Inc. 7066 389 490 Virginia Polytechnic Institut 1239 369 980 Sprint 6197 362 493 BellSouth Network Solutions, 7843 361 603 Adelphia Corp. 6198 359 449 BellSouth Network Solutions, 11492 320 321 Cable One 22927 294 295 TELEFONICA DE ARGENTINA 2386 280 480 AT&T Data Communications Serv 6140 279 292 ImpSat 20115 269 393 Charter Communications 27364 250 258 Armstrong Cable Services 7303 241 242 Telecom Argentina Stet-France 3215 232 307 France Telecom Transpac 209 220 532 Qwest Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:659 13:1 15:4 17:2 20:10 24:911 25:1 32:90 34:1 38:60 40:18 44:2 55:1 57:15 61:452 62:497 63:1927 64:1440 65:1918 66:1551 67:218 68:294 69:56 80:330 81:98 128:98 129:224 130:42 131:83 132:11 133:11 134:146 135:4 136:114 137:116 138:106 139:65 140:145 141:124 142:94 143:47 144:93 145:18 146:264 147:86 148:272 149:73 150:43 151:113 152:253 153:51 154:2 155:108 156:43 157:45 158:123 159:139 160:35 161:60 162:126 163:86 164:304 165:136 166:74 167:319 168:394 169:55 170:308 171:9 192:5301 193:2393 194:2004 195:983 196:475 198:3606 199:3223 200:2896 202:3670 203:5100 204:3075 205:2020 206:2405 207:2419 208:2677 209:2797 210:739 211:327 212:974 213:768 214:21 215:21 216:3235 217:605 218:83 219:9 220:52 End of report