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 29 Nov, 2002 Analysis Summary ---------------- BGP routing table entries examined: 119089 Prefixes after maximum aggregation: 75503 Unique aggregates announced to Internet: 56562 Total ASes present in the Internet Routing Table: 14147 Origin-only ASes present in the Internet Routing Table: 12257 Origin ASes announcing only one prefix: 5544 Transit ASes present in the Internet Routing Table: 1890 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: 18 Illegal AS announcements present in the Routing Table: 3 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 36 Number of addresses announced to Internet: 1185190237 Equivalent to 70 /8s, 164 /16s and 145 /24s Percentage of available address space announced: 32.0 Percentage of allocated address space announced: 58.6 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 54136 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 19302 Total APNIC prefixes after maximum aggregation: 11449 Prefixes being announced from the APNIC address blocks: 17818 Unique aggregates announced from the APNIC address blocks: 11179 APNIC Region origin ASes present in the Internet Routing Table: 1650 APNIC Region origin ASes announcing only one prefix: 527 APNIC Region transit ASes present in the Internet Routing Table: 292 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 11 Number of APNIC addresses announced to Internet: 100839584 Equivalent to 6 /8s, 2 /16s and 176 /24s Percentage of available APNIC address space announced: 66.3 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: 74761 Total ARIN prefixes after maximum aggregation: 46872 Prefixes being announced from the ARIN address blocks: 52185 Unique aggregates announced from the ARIN address blocks: 15698 ARIN Region origin ASes present in the Internet Routing Table: 7941 ARIN Region origin ASes announcing only one prefix: 2670 ARIN Region transit ASes present in the Internet Routing Table: 750 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 183751136 Equivalent to 10 /8s, 243 /16s and 209 /24s Percentage of available ARIN address space announced: 68.5 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: 20132 Total RIPE prefixes after maximum aggregation: 15086 Prefixes being announced from the RIPE address blocks: 16762 Unique aggregates announced from the RIPE address blocks: 11173 RIPE Region origin ASes present in the Internet Routing Table: 4173 RIPE Region origin ASes announcing only one prefix: 2266 RIPE Region transit ASes present in the Internet Routing Table: 766 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 120294336 Equivalent to 7 /8s, 43 /16s and 139 /24s Percentage of available RIPE address space announced: 79.7 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 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: 4893 Total LACNIC prefixes after maximum aggregation: 2096 Prefixes being announced from the LACNIC address blocks: 4277 Unique aggregates announced from the LACNIC address blocks: 2760 LACNIC Region origin ASes present in the Internet Routing Table: 320 LACNIC Region origin ASes announcing only one prefix: 81 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 13 Number of LACNIC addresses announced to Internet: 11747072 Equivalent to 0 /8s, 179 /16s and 63 /24s Percentage of available LACNIC address space announced: 70.0 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 1169 1184 846 Telstra Pty Ltd 703 397 364 311 UUNET 2907 353 1751 332 SINET Japan 2764 342 341 310 connect.com.au pty ltd 17557 314 23 123 Pakistan Telecom 7474 305 280 203 Optus Communications Pty Ltd 4134 299 2361 102 Data Communications Bureau 4755 275 136 73 Videsh Sanchar Nigam Ltd. Aut 4814 248 79 15 China Telecom (Group) 4766 236 1807 152 Korea Internet Exchange for " 17676 230 3570 27 XTAGE CORPORATION 9443 184 57 73 Primus Telecommunications 9583 176 33 12 Satyam Infoway Ltd., 9768 135 386 64 Korea Telecom 4716 130 724 124 TTnet 9800 129 190 30 CHINA UNICOM 7657 126 25 91 The Internet Group Limited 4621 120 11 67 UNINET-TH 4739 120 56 110 Commerical Internet eXchange 4515 113 102 47 Star Internet Services Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3908 2407 1667 505 Supernet, Inc. 701 1742 9040 1245 UUNET Technologies, Inc. 7018 1401 7163 977 AT&T 1239 913 3172 657 Sprint 852 668 1147 466 Telus Advanced Communications 1 665 8090 437 GENUITY 7843 665 396 274 Adelphia Corp. 7046 587 862 285 UUNET Technologies, Inc. 4323 526 455 167 Time Warner Communications, I 209 522 2048 337 Qwest 690 506 74 319 Merit Network 7066 491 204 258 Virginia Polytechnic Institut 6197 444 236 202 BellSouth Network Solutions, 705 440 134 200 UUNET Technologies, Inc. 6198 415 177 198 BellSouth Network Solutions, 3561 411 2234 352 Cable & Wireless USA 3549 405 742 296 Global Crossing 4355 403 313 118 EarthLink, Inc. 15290 388 213 173 AT&T Canada IES 18566 377 96 5 Covad Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 821 2347 685 UUNET - Commercial IP service 3301 379 1163 334 TeliaNet Sweden 3215 308 805 171 France Telecom Transpac 3320 247 1964 223 Deutsche Telekom AG 680 237 2150 234 DFN-IP service G-WiN 1257 213 416 203 SWIPnet Swedish IP Network 5515 210 783 175 Sonera Solution Autonomous Sy 719 189 306 129 LANLINK autonomous system 786 176 1873 176 The JANET IP Service 2856 173 1302 135 BTnet UK Regional network 5400 169 74 104 BT Ignite European Backbone 8708 153 41 146 Romania Data Systems S.A. 3303 145 517 144 Swisscom Ltd 20858 139 17 4 This AS will be used to conne 12302 123 18 30 MobiFon S.A. 3246 119 379 116 Song Networks 8220 119 174 111 COLT Internet - International 3269 111 752 63 TELECOM ITALIA 3233 104 10 8 RNC - Romanian Natioanal R&D 2874 102 85 39 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6140 268 114 57 ImpSat USA, Inc. 8151 202 331 111 UniNet S.A. de C.V. 7303 182 28 46 Telecom Argentina Stet-France 11172 167 88 34 Servicios Alestra S.A de C.V 6503 155 191 107 AVANTEL, S.A. 13999 127 36 8 Mega Cable S.A. de C.V. 16814 106 7 12 NSS, S.A. 10620 98 6 32 TVCABLE BOGOTA 11340 78 2 29 Red Universitaria Nacional 1916 73 409 40 Fundacao de Amparo a Pesquisa 15311 73 27 37 Telefonica Empresas 6535 71 4 19 Chilesat Servicios Empresari 4270 68 18 10 Red de Interconexion Universi 11992 68 7 28 Integrated Systems 6147 66 57 23 Telefonica Del Peru 8065 66 6 15 Empresas Publicas de Medellin 7984 65 12 42 Global One Colombia 4926 62 4 50 Telintar S.A. 15034 57 5 32 TIBA SA 7927 56 5 39 Global One Venezuela Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 701 1742 497 UUNET Technologies, Inc. 7018 1401 424 AT&T 7843 665 391 Adelphia Corp. 18566 377 372 Covad Communications 4323 526 359 Time Warner Communications, I 1221 1169 323 Telstra Pty Ltd 7046 587 302 UUNET Technologies, Inc. 1580 314 301 ANOSCEUR 4151 353 295 USDA 6347 363 288 SAVVIS Communications Corpora 4355 403 285 EarthLink, Inc. 11492 272 260 Cable One 1239 913 256 Sprint 22927 275 255 TELEFONICA DE ARGENTINA 6197 444 242 BellSouth Network Solutions, 705 440 240 UUNET Technologies, Inc. 376 343 239 Reseau Interordinateurs Scien 7066 491 233 Virginia Polytechnic Institut 4814 248 233 China Telecom (Group) 1 665 228 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 63000 RESERVED 200.63.222.0/24 14522 SatNet S.A. 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 156.108.0.0/16 14041 Colorado State University / A 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 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 192.72.0.0/18 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 192.91.198.0/24 2568 CTS Network Services 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 192.136.136.0/24 7046 UUNET Technologies, Inc. 192.136.136.0/22 568 DISO-UNRRA 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 /11:11 /12:46 /13:91 /14:237 /15:439 /16:7316 /17:1526 /18:2763 /19:7974 /20:7652 /21:5465 /22:8356 /23:10061 /24:66240 /25:141 /26:176 /27:86 /28:96 /29:69 /30:236 /31:19 /32:61 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 971 2407 Supernet, Inc. 701 508 1742 UUNET Technologies, Inc. 702 501 821 UUNET - Commercial IP service 7018 463 1401 AT&T 7843 457 665 Adelphia Corp. 690 455 506 Merit Network 7066 388 491 Virginia Polytechnic Institut 18566 370 377 Covad Communications 6197 334 444 BellSouth Network Solutions, 6198 333 415 BellSouth Network Solutions, 1239 306 913 Sprint 1580 300 314 ANOSCEUR 7046 278 587 UUNET Technologies, Inc. 22927 274 275 TELEFONICA DE ARGENTINA 11492 270 272 Cable One 6140 256 268 ImpSat USA, Inc. 3215 235 308 France Telecom Transpac 3301 226 379 TeliaNet Sweden 4355 223 403 EarthLink, Inc. 11537 220 226 University Corporation for Ad Number of /24s announced per /8 block (Global) ---------------------------------------------- 8:1 12:608 13:10 15:4 17:3 20:5 24:853 25:1 32:46 38:28 40:15 44:1 55:1 57:15 61:388 62:396 63:1923 64:1297 65:1676 66:1225 67:190 68:182 69:23 80:316 81:77 128:119 129:170 130:19 131:67 132:9 133:2 134:157 135:7 136:494 137:109 138:216 139:81 140:153 141:92 142:89 143:45 144:148 145:18 146:251 147:242 148:270 149:76 150:43 151:86 152:289 153:36 154:7 155:100 156:106 157:55 158:110 159:156 160:21 161:70 162:139 163:88 164:255 165:137 166:94 167:295 168:372 169:56 170:271 171:6 192:5414 193:2377 194:2008 195:843 196:459 198:3706 199:3126 200:2622 202:3579 203:4848 204:3565 205:2421 206:2377 207:2524 208:2588 209:2642 210:619 211:277 212:871 213:795 214:12 215:21 216:3038 217:519 218:64 219:14 220:1 End of report