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 31 Jan, 2003 Analysis Summary ---------------- BGP routing table entries examined: 120000 Prefixes after maximum aggregation: 76659 Unique aggregates announced to Internet: 57689 Total ASes present in the Internet Routing Table: 14519 Origin-only ASes present in the Internet Routing Table: 12614 Origin ASes announcing only one prefix: 5690 Transit ASes present in the Internet Routing Table: 1905 Transit-only ASes present in the Internet Routing Table: 65 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 17 Illegal AS announcements present in the Routing Table: 12 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 24 Number of addresses announced to Internet: 1181077033 Equivalent to 70 /8s, 101 /16s and 206 /24s Percentage of available address space announced: 31.9 Percentage of allocated address space announced: 57.9 Percentage of available address space allocated: 55.0 Total number of prefixes smaller than registry allocations: 55671 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 20047 Total APNIC prefixes after maximum aggregation: 11848 Prefixes being announced from the APNIC address blocks: 18549 Unique aggregates announced from the APNIC address blocks: 11347 APNIC Region origin ASes present in the Internet Routing Table: 1718 APNIC Region origin ASes announcing only one prefix: 526 APNIC Region transit ASes present in the Internet Routing Table: 289 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 93967008 Equivalent to 5 /8s, 153 /16s and 210 /24s Percentage of available APNIC address space announced: 61.8 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 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 74063 Total ARIN prefixes after maximum aggregation: 47303 Prefixes being announced from the ARIN address blocks: 52501 Unique aggregates announced from the ARIN address blocks: 16167 ARIN Region origin ASes present in the Internet Routing Table: 8096 ARIN Region origin ASes announcing only one prefix: 2726 ARIN Region transit ASes present in the Internet Routing Table: 753 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 186263488 Equivalent to 11 /8s, 26 /16s and 39 /24s Percentage of available ARIN address space announced: 69.4 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 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: 20662 Total RIPE prefixes after maximum aggregation: 15322 Prefixes being announced from the RIPE address blocks: 17283 Unique aggregates announced from the RIPE address blocks: 11541 RIPE Region origin ASes present in the Internet Routing Table: 4313 RIPE Region origin ASes announcing only one prefix: 2354 RIPE Region transit ASes present in the Internet Routing Table: 784 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 122834368 Equivalent to 7 /8s, 82 /16s and 77 /24s Percentage of available RIPE address space announced: 73.2 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: 5218 Total LACNIC prefixes after maximum aggregation: 2186 Prefixes being announced from the LACNIC address blocks: 4557 Unique aggregates announced from the LACNIC address blocks: 2956 LACNIC Region origin ASes present in the Internet Routing Table: 329 LACNIC Region origin ASes announcing only one prefix: 84 LACNIC Region transit ASes present in the Internet Routing Table: 69 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 10 Number of LACNIC addresses announced to Internet: 11944448 Equivalent to 0 /8s, 182 /16s and 66 /24s Percentage of available LACNIC address space announced: 71.2 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 1131 1184 825 Telstra Pty Ltd 703 408 368 320 UUNET 2907 391 1975 367 SINET Japan 2764 333 340 303 connect.com.au pty ltd 17557 330 24 130 Pakistan Telecom 7474 301 276 211 Optus Communications Pty Ltd 4134 295 2405 94 Data Communications Bureau 4814 261 79 15 China Telecom (Group) 4755 242 134 75 Videsh Sanchar Nigam Ltd. Aut 3786 235 709 204 DACOM Corporation 9583 207 33 13 Satyam Infoway Ltd., 4766 190 1466 141 Korea Internet Exchange for " 9443 182 57 77 Primus Telecommunications 4765 148 9 13 World Net & Services Co., Ltd 17676 140 2133 16 XTAGE CORPORATION 9238 130 8 18 TATA ISP 9768 130 384 64 Korea Telecom 9800 130 189 32 CHINA UNICOM 4716 129 737 123 TTnet 4739 123 57 112 Commerical Internet eXchange ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1604 8999 1182 UUNET Technologies, Inc. 7018 1428 7108 966 AT&T 3908 1192 1604 501 Supernet, Inc. 1239 960 3143 673 Sprint 852 680 1124 444 Telus Advanced Communications 1 668 8077 434 GENUITY 7843 584 399 234 Adelphia Corp. 7046 551 826 252 UUNET Technologies, Inc. 4323 528 472 168 Time Warner Communications, I 209 526 2103 334 Qwest 690 505 74 311 Merit Network 7066 493 204 253 Virginia Polytechnic Institut 6197 471 555 110 BellSouth Network Solutions, 18566 451 114 7 Covad Communications 705 436 150 190 UUNET Technologies, Inc. 2386 435 469 229 AT&T Data Communications Serv 6198 422 185 198 BellSouth Network Solutions, 4355 410 313 115 EarthLink, Inc. 15290 394 215 177 AT&T Canada IES 3549 393 707 291 Global Crossing RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 805 2301 669 UUNET - Commercial IP service 3301 312 1141 300 TeliaNet Sweden 3215 311 818 172 France Telecom Transpac 3320 264 1995 227 Deutsche Telekom AG 680 240 2166 237 DFN-IP service G-WiN 1257 214 400 199 SWIPnet Swedish IP Network 5515 213 783 174 Sonera Solution Autonomous Sy 786 177 1873 177 The JANET IP Service 719 173 306 130 LANLINK autonomous system 5400 160 69 97 BT Ignite European Backbone 8708 155 42 146 Romania Data Systems S.A. 20858 147 17 3 This AS will be used to conne 3303 144 517 143 Swisscom Ltd 2856 130 1302 117 BTnet UK Regional network 12302 123 18 30 MobiFon S.A. 8220 122 174 113 COLT Internet - International 3246 119 378 116 Song Networks 3269 112 753 62 TELECOM ITALIA 3233 104 10 8 RNC - Romanian Natioanal R&D 5511 104 177 82 France Telecom LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 306 98 104 ImpSat 7303 225 36 54 Telecom Argentina Stet-France 8151 207 333 113 UniNet S.A. de C.V. 11172 157 82 33 Servicios Alestra S.A de C.V 6503 156 191 107 AVANTEL, S.A. 16814 140 9 14 NSS, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 11340 111 3 39 Red Universitaria Nacional 10620 105 7 31 TVCABLE BOGOTA 6147 76 58 20 Telefonica Del Peru 1916 74 306 44 Fundacao de Amparo a Pesquisa 15311 71 27 36 Telefonica Empresas 6535 70 4 21 Chilesat Servicios Empresari 11992 70 7 30 Integrated Systems 4270 68 18 10 Red de Interconexion Universi 8065 67 6 14 Empresas Publicas de Medellin 7080 64 4 1 Electronica y Comunicaciones 7984 60 11 39 Global One Colombia 11830 60 4 21 Instituto Costarricense de El 15034 60 5 31 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1192 691 Supernet, Inc. 7018 1428 462 AT&T 18566 451 444 Covad Communications 6197 471 361 BellSouth Network Solutions, 4323 528 360 Time Warner Communications, I 7843 584 350 Adelphia Corp. 1221 1131 306 Telstra Pty Ltd 7046 551 299 UUNET Technologies, Inc. 11492 300 299 Cable One 6347 377 298 SAVVIS Communications Corpora 4355 410 295 EarthLink, Inc. 1239 960 287 Sprint 22927 295 281 TELEFONICA DE ARGENTINA 4151 329 271 USDA 705 436 246 UUNET Technologies, Inc. 4814 261 246 China Telecom (Group) 376 351 241 Reseau Interordinateurs Scien 7066 493 240 Virginia Polytechnic Institut 852 680 236 Telus Advanced Communications 1 668 234 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 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 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 192.31.242.0/24 771 NASA Ames Research Center 192.44.0.0/19 702 UUNET - Commercial IP service 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.153.136.0/21 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 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 /11:12 /12:44 /13:88 /14:233 /15:434 /16:7240 /17:1561 /18:2848 /19:8042 /20:7918 /21:5682 /22:8625 /23:10349 /24:66182 /25:161 /26:177 /27:96 /28:78 /29:60 /30:96 /31:2 /32:44 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 770 1192 Supernet, Inc. 7018 510 1428 AT&T 702 497 805 UUNET - Commercial IP service 690 454 505 Merit Network 18566 446 451 Covad Communications 701 425 1604 UUNET Technologies, Inc. 7066 392 493 Virginia Polytechnic Institut 7843 356 584 Adelphia Corp. 1239 353 960 Sprint 6197 350 471 BellSouth Network Solutions, 6198 336 422 BellSouth Network Solutions, 11492 299 300 Cable One 6140 294 306 ImpSat 22927 294 295 TELEFONICA DE ARGENTINA 7046 252 551 UUNET Technologies, Inc. 2386 238 435 AT&T Data Communications Serv 3215 237 311 France Telecom Transpac 20115 231 352 Charter Communications 4355 230 410 EarthLink, Inc. 7303 224 225 Telecom Argentina Stet-France Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:636 13:1 15:6 17:2 20:8 24:791 25:1 32:82 34:1 38:38 40:19 44:1 55:1 57:15 61:471 62:488 63:1876 64:1398 65:1821 66:1401 67:206 68:239 69:36 80:318 81:83 128:130 129:185 130:38 131:73 132:11 133:4 134:143 135:4 136:194 137:112 138:101 139:70 140:122 141:104 142:96 143:45 144:75 145:16 146:262 147:85 148:261 149:74 150:42 151:95 152:254 153:43 154:3 155:104 156:41 157:45 158:120 159:136 160:29 161:57 162:135 163:80 164:275 165:143 166:84 167:303 168:391 169:56 170:288 171:8 192:5357 193:2415 194:1969 195:909 196:459 198:3598 199:3028 200:2844 202:3616 203:5064 204:3041 205:2098 206:2387 207:2449 208:2709 209:2763 210:700 211:320 212:930 213:715 214:22 215:22 216:3231 217:569 218:73 219:18 End of report