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 03 Jan, 2003 Analysis Summary ---------------- BGP routing table entries examined: 119068 Prefixes after maximum aggregation: 76182 Unique aggregates announced to Internet: 56870 Total ASes present in the Internet Routing Table: 14337 Origin-only ASes present in the Internet Routing Table: 12450 Origin ASes announcing only one prefix: 5617 Transit ASes present in the Internet Routing Table: 1887 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 18 Illegal AS announcements present in the Routing Table: 4 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 33 Number of addresses announced to Internet: 1187723929 Equivalent to 70 /8s, 203 /16s and 58 /24s Percentage of available address space announced: 32.0 Percentage of allocated address space announced: 58.7 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 55180 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 19690 Total APNIC prefixes after maximum aggregation: 11748 Prefixes being announced from the APNIC address blocks: 18220 Unique aggregates announced from the APNIC address blocks: 11182 APNIC Region origin ASes present in the Internet Routing Table: 1697 APNIC Region origin ASes announcing only one prefix: 523 APNIC Region transit ASes present in the Internet Routing Table: 285 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 102461088 Equivalent to 6 /8s, 27 /16s and 110 /24s Percentage of available APNIC address space announced: 67.4 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: 73866 Total ARIN prefixes after maximum aggregation: 47039 Prefixes being announced from the ARIN address blocks: 51592 Unique aggregates announced from the ARIN address blocks: 15785 ARIN Region origin ASes present in the Internet Routing Table: 8025 ARIN Region origin ASes announcing only one prefix: 2718 ARIN Region transit ASes present in the Internet Routing Table: 756 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 184832240 Equivalent to 11 /8s, 4 /16s and 80 /24s Percentage of available ARIN address space announced: 68.9 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 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: 20448 Total RIPE prefixes after maximum aggregation: 15209 Prefixes being announced from the RIPE address blocks: 17049 Unique aggregates announced from the RIPE address blocks: 11355 RIPE Region origin ASes present in the Internet Routing Table: 4231 RIPE Region origin ASes announcing only one prefix: 2296 RIPE Region transit ASes present in the Internet Routing Table: 771 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 121902336 Equivalent to 7 /8s, 68 /16s and 21 /24s Percentage of available RIPE address space announced: 80.7 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, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 5063 Total LACNIC prefixes after maximum aggregation: 2186 Prefixes being announced from the LACNIC address blocks: 4441 Unique aggregates announced from the LACNIC address blocks: 2889 LACNIC Region origin ASes present in the Internet Routing Table: 323 LACNIC Region origin ASes announcing only one prefix: 80 LACNIC Region transit ASes present in the Internet Routing Table: 67 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 10 Number of LACNIC addresses announced to Internet: 11789824 Equivalent to 0 /8s, 179 /16s and 230 /24s Percentage of available LACNIC address space announced: 70.3 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 1137 1167 821 Telstra Pty Ltd 703 398 364 314 UUNET 2907 359 1785 335 SINET Japan 2764 341 341 310 connect.com.au pty ltd 17557 324 23 129 Pakistan Telecom 7474 312 281 205 Optus Communications Pty Ltd 4134 290 2408 91 Data Communications Bureau 4755 258 134 75 Videsh Sanchar Nigam Ltd. Aut 4814 246 79 15 China Telecom (Group) 3786 234 771 205 DACOM Corporation 17676 231 3618 24 XTAGE CORPORATION 9583 189 33 12 Satyam Infoway Ltd., 4766 188 1787 144 Korea Internet Exchange for " 9443 186 57 76 Primus Telecommunications 9800 162 203 45 CHINA UNICOM 4716 130 724 124 TTnet 9768 128 384 63 Korea Telecom 7657 124 26 87 The Internet Group Limited 4739 121 56 111 Commerical Internet eXchange 9498 117 9 24 BHARTI BT INTERNET LTD. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1627 9000 1199 UUNET Technologies, Inc. 7018 1424 7682 954 AT&T 3908 1187 1635 497 Supernet, Inc. 1239 978 3149 686 Sprint 1 664 8091 437 GENUITY 852 625 1140 444 Telus Advanced Communications 7843 623 404 279 Adelphia Corp. 7046 552 857 259 UUNET Technologies, Inc. 4323 533 487 168 Time Warner Communications, I 209 522 2048 334 Qwest 690 513 75 319 Merit Network 7066 488 204 256 Virginia Polytechnic Institut 6197 455 561 104 BellSouth Network Solutions, 705 423 133 188 UUNET Technologies, Inc. 6198 421 182 196 BellSouth Network Solutions, 18566 414 96 5 Covad Communications 3561 411 2212 342 Cable & Wireless USA 4355 407 313 118 EarthLink, Inc. 3549 402 709 295 Global Crossing 15290 394 215 175 AT&T Canada IES RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 806 2290 670 UUNET - Commercial IP service 3301 341 1141 297 TeliaNet Sweden 3215 313 819 174 France Telecom Transpac 3320 257 1996 230 Deutsche Telekom AG 680 237 2150 234 DFN-IP service G-WiN 5515 213 783 174 Sonera Solution Autonomous Sy 1257 212 416 201 SWIPnet Swedish IP Network 719 200 306 129 LANLINK autonomous system 786 176 1873 176 The JANET IP Service 5400 162 70 98 BT Ignite European Backbone 8708 156 42 147 Romania Data Systems S.A. 20858 148 17 4 This AS will be used to conne 3303 143 517 142 Swisscom Ltd 2856 129 1300 117 BTnet UK Regional network 8220 124 174 114 COLT Internet - International 12302 124 18 31 MobiFon S.A. 3246 118 378 115 Song Networks 3269 111 754 63 TELECOM ITALIA 5511 106 193 83 France Telecom 3233 104 10 8 RNC - Romanian Natioanal R&D LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 315 98 104 ImpSat USA, Inc. 7303 224 36 51 Telecom Argentina Stet-France 8151 208 331 113 UniNet S.A. de C.V. 11172 173 87 33 Servicios Alestra S.A de C.V 6503 156 191 109 AVANTEL, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 16814 108 7 13 NSS, S.A. 10620 98 6 32 TVCABLE BOGOTA 11340 81 2 32 Red Universitaria Nacional 6147 76 58 24 Telefonica Del Peru 1916 74 306 44 Fundacao de Amparo a Pesquisa 6535 72 5 16 Chilesat Servicios Empresari 15311 72 27 37 Telefonica Empresas 4270 68 18 10 Red de Interconexion Universi 11992 68 7 31 Integrated Systems 8065 67 6 14 Empresas Publicas de Medellin 7984 62 11 40 Global One Colombia 4926 59 4 49 Telintar S.A. 7927 57 5 40 Global One Venezuela 15034 57 5 33 TIBA SA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1187 690 Supernet, Inc. 7018 1424 470 AT&T 18566 414 409 Covad Communications 4323 533 365 Time Warner Communications, I 6197 455 351 BellSouth Network Solutions, 7843 623 344 Adelphia Corp. 1221 1137 316 Telstra Pty Ltd 1580 316 302 ANOSCEUR 7046 552 293 UUNET Technologies, Inc. 1239 978 292 Sprint 6347 369 290 SAVVIS Communications Corpora 4355 407 289 EarthLink, Inc. 11492 280 279 Cable One 4151 326 269 USDA 22927 289 267 TELEFONICA DE ARGENTINA 376 344 241 Reseau Interordinateurs Scien 705 423 235 UUNET Technologies, Inc. 7066 488 232 Virginia Polytechnic Institut 4814 246 231 China Telecom (Group) 1 664 227 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 1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p 65000 PRIVATE 203.21.203.0/24 1221 Telstra Pty Ltd 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 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 GENUITY 158.0.0.0/13 568 DISO-UNRRA 158.255.3.0/24 702 UUNET - Commercial IP service 164.236.0.0/16 568 DISO-UNRRA 192.31.242.0/24 771 NASA Ames Research Center 192.44.0.0/19 702 UUNET - Commercial IP service 192.68.128.0/22 1239 Sprint 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 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 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 /12:46 /13:92 /14:238 /15:440 /16:7318 /17:1550 /18:2808 /19:7995 /20:7748 /21:5596 /22:8469 /23:10200 /24:65850 /25:135 /26:170 /27:89 /28:77 /29:61 /30:107 /31:0 /32:39 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 755 1187 Supernet, Inc. 702 494 806 UUNET - Commercial IP service 7018 486 1424 AT&T 690 462 513 Merit Network 701 439 1627 UUNET Technologies, Inc. 18566 409 414 Covad Communications 7843 402 623 Adelphia Corp. 7066 385 488 Virginia Polytechnic Institut 1239 363 978 Sprint 6198 337 421 BellSouth Network Solutions, 6197 332 455 BellSouth Network Solutions, 6140 303 315 ImpSat USA, Inc. 1580 301 316 ANOSCEUR 22927 288 289 TELEFONICA DE ARGENTINA 11492 279 280 Cable One 7046 246 552 UUNET Technologies, Inc. 3215 239 313 France Telecom Transpac 20115 234 346 Charter Communications 4355 225 407 EarthLink, Inc. 7303 223 224 Telecom Argentina Stet-France Number of /24s announced per /8 block (Global) ---------------------------------------------- 12:617 13:1 15:6 17:3 20:7 24:802 25:1 32:45 38:31 40:17 44:1 55:1 57:16 61:410 62:430 63:1867 64:1333 65:1757 66:1333 67:194 68:215 69:44 80:315 81:81 128:124 129:183 130:23 131:70 132:9 133:2 134:154 135:6 136:487 137:108 138:213 139:84 140:158 141:99 142:93 143:44 144:148 145:18 146:252 147:248 148:276 149:78 150:43 151:89 152:291 153:36 154:7 155:102 156:44 157:59 158:120 159:138 160:22 161:64 162:142 163:84 164:259 165:133 166:83 167:296 168:385 169:57 170:292 171:8 192:5424 193:2415 194:2015 195:905 196:455 198:3613 199:3054 200:2758 202:3589 203:4849 204:3005 205:2122 206:2337 207:2426 208:2602 209:2689 210:657 211:304 212:879 213:760 214:12 215:21 216:3134 217:555 218:71 219:14 220:27 End of report
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Routing Table Analysis