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 13 Sep, 2002 Analysis Summary ---------------- BGP routing table entries examined: 114537 Prefixes after maximum aggregation: 74233 Unique aggregates announced to Internet: 54821 Total ASes present in the Internet Routing Table: 13713 Origin-only ASes present in the Internet Routing Table: 11865 Origin ASes announcing only one prefix: 5321 Transit ASes present in the Internet Routing Table: 1848 Transit-only ASes present in the Internet Routing Table: 57 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 23 Illegal AS announcements present in the Routing Table: 5 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 34 Number of addresses announced to Internet: 1208978732 Equivalent to 72 /8s, 15 /16s and 141 /24s Percentage of available address space announced: 32.6 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 46861 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18747 Total APNIC prefixes after maximum aggregation: 11428 Prefixes being announced from the APNIC address blocks: 17224 Unique aggregates announced from the APNIC address blocks: 10901 APNIC Region origin ASes present in the Internet Routing Table: 1614 APNIC Region origin ASes announcing only one prefix: 526 APNIC Region transit ASes present in the Internet Routing Table: 276 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 97048032 Equivalent to 5 /8s, 200 /16s and 213 /24s Percentage of available APNIC address space announced: 63.8 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: 71347 Total ARIN prefixes after maximum aggregation: 45844 Prefixes being announced from the ARIN address blocks: 50041 Unique aggregates announced from the ARIN address blocks: 15807 ARIN Region origin ASes present in the Internet Routing Table: 7715 ARIN Region origin ASes announcing only one prefix: 2536 ARIN Region transit ASes present in the Internet Routing Table: 738 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 180714176 Equivalent to 10 /8s, 197 /16s and 122 /24s Percentage of available ARIN address space announced: 67.3 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 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: 19538 Total RIPE prefixes after maximum aggregation: 14814 Prefixes being announced from the RIPE address blocks: 16151 Unique aggregates announced from the RIPE address blocks: 9963 RIPE Region origin ASes present in the Internet Routing Table: 4012 RIPE Region origin ASes announcing only one prefix: 2176 RIPE Region transit ASes present in the Internet Routing Table: 745 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 117499008 Equivalent to 7 /8s, 0 /16s and 228 /24s Percentage of available RIPE address space announced: 77.8 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, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 4902 Total LACNIC prefixes after maximum aggregation: 2147 Prefixes being announced from the LACNIC address blocks: 4209 Unique aggregates announced from the LACNIC address blocks: 2617 LACNIC Region origin ASes present in the Internet Routing Table: 316 LACNIC Region origin ASes announcing only one prefix: 83 LACNIC Region transit ASes present in the Internet Routing Table: 71 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 11196416 Equivalent to 0 /8s, 170 /16s and 216 /24s Percentage of available LACNIC address space announced: 66.7 LACNIC AS Blocks 26592 - 26623 LACNIC Address Blocks 200/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1202 1188 884 Telstra Pty Ltd 703 393 367 306 UUNET 2907 360 1832 339 SINET Japan 2764 354 357 325 connect.com.au pty ltd 7474 315 276 211 Optus Communications Pty Ltd 4134 292 2268 96 Data Communications Bureau 17557 275 20 107 Pakistan Telecom 4755 260 142 73 Videsh Sanchar Nigam Ltd. Aut 4766 250 1824 158 Korea Internet Exchange for " 17676 220 3442 33 XTAGE CORPORATION 4814 215 79 15 China Telecom (Group) 9443 183 57 69 Primus Telecommunications 9583 173 32 5 Satyam Infoway Ltd., 9768 145 385 74 Korea Telecom 4515 139 102 80 Star Internet Services Ltd. 7657 130 22 90 The Internet Group Limited 9800 122 188 24 CHINA UNICOM 4739 117 56 108 Commerical Internet eXchange 4713 114 985 105 NTT Communications Corporatio 9498 103 8 22 BHARTI BT INTERNET LTD. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1762 9127 1350 UUNET Technologies, Inc. 7018 1312 7192 931 AT&T 3908 1058 1666 508 Supernet, Inc. 1239 840 3178 648 Sprint 852 732 1175 451 Telus Advanced Communications 7843 677 372 262 Adelphia Corp. 1 666 8066 439 GENUITY 7046 614 867 312 UUNET Technologies, Inc. 7132 603 664 143 Southwestern Bell Internet Se 4323 537 435 164 Time Warner Communications, I 690 519 75 326 Merit Network 209 518 2066 349 Qwest 7066 490 204 258 Virginia Polytechnic Institut 2548 443 1102 272 Business Internet, Inc. 3549 417 726 299 Global Crossing 6197 382 613 40 BellSouth Network Solutions, 15290 362 230 178 AT&T Canada IES 2914 360 2025 356 Verio, Inc. 4355 360 287 84 EarthLink, Inc. 6347 346 371 77 SAVVIS Communications Corpora RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 876 2430 734 UUNET - Commercial IP service 3301 388 907 344 TeliaNet Sweden 3215 293 657 180 France Telecom Transpac 3320 247 1964 213 Deutsche Telekom AG 680 238 2151 234 DFN-IP service G-WiN 5515 217 783 178 Sonera Solution Autonomous Sy 5400 214 85 101 BT Ignite European Backbone 1257 205 444 202 SWIPnet Swedish IP Network 719 191 306 130 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 146 41 141 Romania Data Systems S.A. 3303 143 546 142 Swisscom Ltd 2856 123 785 115 BTnet UK Regional network 12302 122 17 29 MobiFon S.A. 3246 120 372 113 Song Networks 5511 110 192 88 France Telecom 3233 108 10 9 RNC - Romanian Natioanal R&D 3269 104 658 63 TELECOM ITALIA 8220 104 167 98 COLT Internet - International 2874 103 85 40 Global One Services AB LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 192 290 110 UniNet S.A. de C.V. 11340 180 7 70 Red Universitaria Nacional 7303 171 27 49 Telecom Argentina Stet-France 11172 166 72 33 Servicios Alestra S.A de C.V 6503 165 207 115 AVANTEL, S.A. 10834 147 92 36 ADVANCE TELECOMUNICACIONES S. 16814 107 7 13 NSS, S.A. 13999 103 19 8 Mega Cable S.A. de C.V. 10620 90 6 27 TVCABLE BOGOTA 1916 73 409 40 Fundacao de Amparo a Pesquisa 15034 73 6 29 TIBA SA 11992 71 7 29 Integrated Systems 2277 69 16 3 ECUANET - CORPORACION ECUATOR 7984 69 27 43 Global One Colombia 15311 69 25 32 Telefonica Empresas 4270 68 18 10 Red de Interconexion Universi 4926 64 4 52 Telintar S.A. 7993 59 9 30 Global One Chile 8065 59 6 16 Empresas Publicas de Medellin 16528 57 5 35 ImpSat S.A. Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 3908 1058 550 Supernet, Inc. 7132 603 460 Southwestern Bell Internet Se 7843 677 415 Adelphia Corp. 7018 1312 381 AT&T 4323 537 373 Time Warner Communications, I 6197 382 342 BellSouth Network Solutions, 1221 1202 318 Telstra Pty Ltd 7046 614 302 UUNET Technologies, Inc. 852 732 281 Telus Advanced Communications 4355 360 276 EarthLink, Inc. 6347 346 269 SAVVIS Communications Corpora 4151 283 268 USDA 18566 270 266 Covad Communications 376 342 233 Reseau Interordinateurs Scien 7066 490 232 Virginia Polytechnic Institut 1 666 227 GENUITY 4814 215 200 China Telecom (Group) 1580 212 200 ANOSCEUR 4134 292 196 Data Communications Bureau 11492 204 196 Cable One List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65502 PRIVATE 194.59.34.0/23 12312 Tiscali Germany ASN 65502 PRIVATE 194.127.132.0/24 12312 Tiscali Germany ASN 65502 PRIVATE 194.127.133.0/24 12312 Tiscali Germany ASN 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 24997 UNALLOCATED 217.11.160.0/20 8342 Rostelecom Internet 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 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.44.0.0/19 702 UUNET - Commercial IP service 192.58.92.0/24 19548 Adelphia Business Solutions 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 7168 Northwest Link Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:6 /10:7 /11:12 /12:36 /13:88 /14:236 /15:425 /16:7266 /17:1490 /18:2689 /19:7853 /20:7517 /21:5251 /22:8025 /23:9742 /24:62995 /25:204 /26:234 /27:141 /28:83 /29:50 /30:109 /31:1 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 627 1058 Supernet, Inc. 702 532 876 UUNET - Commercial IP service 701 494 1762 UUNET Technologies, Inc. 7843 480 677 Adelphia Corp. 690 465 519 Merit Network 7018 395 1312 AT&T 7066 388 490 Virginia Polytechnic Institut 7046 297 614 UUNET Technologies, Inc. 6197 266 382 BellSouth Network Solutions, 18566 266 270 Covad Communications 6198 243 315 BellSouth Network Solutions, 1239 237 840 Sprint 3301 230 388 TeliaNet Sweden 3215 225 293 France Telecom Transpac 4355 206 360 EarthLink, Inc. 11492 200 204 Cable One 1580 199 212 ANOSCEUR 209 191 518 Qwest 5400 188 214 BT Ignite European Backbone 3320 178 247 Deutsche Telekom AG Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:1 12:548 13:10 15:2 17:7 20:4 24:849 25:1 32:41 38:7 40:6 44:1 55:1 57:14 61:333 62:243 63:1831 64:1240 65:1489 66:1130 67:101 68:93 80:276 81:52 128:65 129:155 130:21 131:55 132:11 133:2 134:130 135:9 136:574 137:94 138:152 139:69 140:158 141:72 142:67 143:50 144:141 145:17 146:260 147:141 148:248 149:77 150:41 151:57 152:310 153:37 154:11 155:104 156:70 157:110 158:65 159:137 160:49 161:75 162:128 163:87 164:261 165:122 166:105 167:267 168:121 169:61 170:170 171:3 192:5464 193:2347 194:2022 195:819 196:425 198:3579 199:3088 200:2626 202:3346 203:4808 204:3263 205:2112 206:2400 207:2448 208:2555 209:2547 210:626 211:244 212:879 213:720 214:8 215:19 216:2878 217:486 218:46 219:1 End of report