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 27 Sep, 2002 Analysis Summary ---------------- BGP routing table entries examined: 115493 Prefixes after maximum aggregation: 74306 Unique aggregates announced to Internet: 54740 Total ASes present in the Internet Routing Table: 13819 Origin-only ASes present in the Internet Routing Table: 11950 Origin ASes announcing only one prefix: 5354 Transit ASes present in the Internet Routing Table: 1869 Transit-only ASes present in the Internet Routing Table: 61 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: 7 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 35 Number of addresses announced to Internet: 1193952488 Equivalent to 71 /8s, 42 /16s and 68 /24s Percentage of available address space announced: 32.2 Percentage of allocated address space announced: 59.0 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 47686 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18725 Total APNIC prefixes after maximum aggregation: 11349 Prefixes being announced from the APNIC address blocks: 17243 Unique aggregates announced from the APNIC address blocks: 10956 APNIC Region origin ASes present in the Internet Routing Table: 1620 APNIC Region origin ASes announcing only one prefix: 529 APNIC Region transit ASes present in the Internet Routing Table: 280 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 97742368 Equivalent to 5 /8s, 211 /16s and 110 /24s Percentage of available APNIC address space announced: 64.3 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: 72293 Total ARIN prefixes after maximum aggregation: 46009 Prefixes being announced from the ARIN address blocks: 50847 Unique aggregates announced from the ARIN address blocks: 15576 ARIN Region origin ASes present in the Internet Routing Table: 7759 ARIN Region origin ASes announcing only one prefix: 2546 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: 18 Number of ARIN addresses announced to Internet: 181229888 Equivalent to 10 /8s, 205 /16s and 89 /24s Percentage of available ARIN address space announced: 67.5 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 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: 19657 Total RIPE prefixes after maximum aggregation: 14869 Prefixes being announced from the RIPE address blocks: 16289 Unique aggregates announced from the RIPE address blocks: 10077 RIPE Region origin ASes present in the Internet Routing Table: 4066 RIPE Region origin ASes announcing only one prefix: 2199 RIPE Region transit ASes present in the Internet Routing Table: 757 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 14 Number of RIPE addresses announced to Internet: 117783680 Equivalent to 7 /8s, 5 /16s and 60 /24s Percentage of available RIPE address space announced: 78.0 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: 4812 Total LACNIC prefixes after maximum aggregation: 2079 Prefixes being announced from the LACNIC address blocks: 4222 Unique aggregates announced from the LACNIC address blocks: 2619 LACNIC Region origin ASes present in the Internet Routing Table: 314 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: 6.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 11311872 Equivalent to 0 /8s, 172 /16s and 155 /24s Percentage of available LACNIC address space announced: 67.4 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 1197 1187 881 Telstra Pty Ltd 703 396 368 311 UUNET 2907 359 1815 339 SINET Japan 2764 345 357 317 connect.com.au pty ltd 7474 305 275 205 Optus Communications Pty Ltd 4134 290 2268 96 Data Communications Bureau 17557 288 21 110 Pakistan Telecom 4755 253 141 73 Videsh Sanchar Nigam Ltd. Aut 4766 249 1808 157 Korea Internet Exchange for " 4814 224 80 16 China Telecom (Group) 17676 221 3458 32 XTAGE CORPORATION 9443 185 57 70 Primus Telecommunications 9583 175 32 5 Satyam Infoway Ltd., 4515 139 102 80 Star Internet Services Ltd. 9768 136 385 74 Korea Telecom 7657 128 22 85 The Internet Group Limited 9800 122 188 24 CHINA UNICOM 4739 117 56 108 Commerical Internet eXchange 4713 116 1049 105 NTT Communications Corporatio 9498 109 8 21 BHARTI BT INTERNET LTD. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1787 9245 1287 UUNET Technologies, Inc. 7018 1323 7184 932 AT&T 1239 1121 3178 653 Sprint 3908 1047 1652 508 Supernet, Inc. 852 750 1145 454 Telus Advanced Communications 7843 713 371 304 Adelphia Corp. 1 657 8088 434 GENUITY 7132 602 638 140 Southwestern Bell Internet Se 7046 590 879 311 UUNET Technologies, Inc. 4323 523 435 165 Time Warner Communications, I 209 521 2066 348 Qwest 690 517 75 324 Merit Network 7066 488 204 258 Virginia Polytechnic Institut 2548 447 1118 274 Business Internet, Inc. 3549 418 727 298 Global Crossing 705 409 130 199 UUNET Technologies, Inc. 4355 382 292 104 EarthLink, Inc. 6197 382 597 39 BellSouth Network Solutions, 2914 368 2027 361 Verio, Inc. 15290 361 230 178 AT&T Canada IES RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 872 2406 727 UUNET - Commercial IP service 3301 385 907 341 TeliaNet Sweden 3215 294 677 170 France Telecom Transpac 3320 243 1966 221 Deutsche Telekom AG 680 238 2151 234 DFN-IP service G-WiN 5400 215 86 102 BT Ignite European Backbone 5515 214 783 177 Sonera Solution Autonomous Sy 1257 202 444 199 SWIPnet Swedish IP Network 719 190 306 130 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 148 41 143 Romania Data Systems S.A. 3303 143 532 142 Swisscom Ltd 2856 132 786 122 BTnet UK Regional network 12302 124 18 31 MobiFon S.A. 3246 123 373 116 Song Networks 5511 109 189 87 France Telecom 8220 108 168 101 COLT Internet - International 3233 107 10 8 RNC - Romanian Natioanal R&D 2874 104 85 40 Global One Services AB 3269 104 658 63 TELECOM ITALIA LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 199 298 110 UniNet S.A. de C.V. 7303 172 27 50 Telecom Argentina Stet-France 11172 167 88 34 Servicios Alestra S.A de C.V 6503 159 206 113 AVANTEL, S.A. 10834 146 75 34 ADVANCE TELECOMUNICACIONES S. 16814 107 7 13 NSS, S.A. 13999 103 19 8 Mega Cable S.A. de C.V. 6140 99 76 27 ImpSat USA, Inc. 10620 93 6 29 TVCABLE BOGOTA 11340 80 2 25 Red Universitaria Nacional 15034 74 6 32 TIBA SA 1916 73 409 40 Fundacao de Amparo a Pesquisa 11992 70 7 30 Integrated Systems 4270 68 18 10 Red de Interconexion Universi 15311 68 24 31 Telefonica Empresas 2277 66 16 3 ECUANET - CORPORACION ECUATOR 7984 66 27 42 Global One Colombia 4926 64 4 52 Telintar S.A. 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 1047 539 Supernet, Inc. 1239 1121 468 Sprint 7132 602 462 Southwestern Bell Internet Se 7843 713 409 Adelphia Corp. 7018 1323 391 AT&T 4323 523 358 Time Warner Communications, I 6197 382 343 BellSouth Network Solutions, 1221 1197 316 Telstra Pty Ltd 852 750 296 Telus Advanced Communications 7046 590 279 UUNET Technologies, Inc. 4355 382 278 EarthLink, Inc. 6347 346 268 SAVVIS Communications Corpora 18566 272 268 Covad Communications 4151 279 264 USDA 376 343 233 Reseau Interordinateurs Scien 7066 488 230 Virginia Polytechnic Institut 1 657 223 GENUITY 705 409 210 UUNET Technologies, Inc. 4814 224 208 China Telecom (Group) 11492 215 201 Cable One List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65011 PRIVATE 207.8.204.0/24 4231 You Tools Corporatio 65011 PRIVATE 207.8.227.0/24 4231 You Tools Corporatio 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 65506 PRIVATE 207.106.30.0/24 4231 You Tools Corporatio 65011 PRIVATE 207.106.58.0/24 4231 You Tools Corporatio 65011 PRIVATE 207.106.90.0/24 4231 You Tools Corporatio 65011 PRIVATE 207.106.122.0/24 4231 You Tools Corporatio 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 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 /8:19 /9:6 /10:7 /11:12 /12:37 /13:89 /14:236 /15:428 /16:7272 /17:1501 /18:2690 /19:7876 /20:7533 /21:5285 /22:8097 /23:9823 /24:63807 /25:165 /26:221 /27:115 /28:83 /29:48 /30:88 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 618 1047 Supernet, Inc. 702 536 872 UUNET - Commercial IP service 7843 524 713 Adelphia Corp. 701 487 1787 UUNET Technologies, Inc. 690 465 517 Merit Network 1239 445 1121 Sprint 7018 407 1323 AT&T 7066 386 488 Virginia Polytechnic Institut 7046 276 590 UUNET Technologies, Inc. 18566 268 272 Covad Communications 6197 267 382 BellSouth Network Solutions, 6198 241 310 BellSouth Network Solutions, 3301 228 385 TeliaNet Sweden 3215 225 294 France Telecom Transpac 4355 220 382 EarthLink, Inc. 11492 210 215 Cable One 1580 198 211 ANOSCEUR 209 193 521 Qwest 5400 189 215 BT Ignite European Backbone 705 185 409 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 12:550 13:10 15:4 17:7 20:5 24:849 25:1 32:41 38:18 40:7 44:1 55:1 57:14 61:355 62:240 63:1918 64:1273 65:1573 66:1172 67:107 68:159 80:295 81:60 128:66 129:147 130:21 131:55 132:11 133:2 134:130 135:9 136:583 137:100 138:158 139:69 140:151 141:73 142:71 143:48 144:142 145:17 146:251 147:143 148:248 149:78 150:42 151:61 152:297 153:38 154:9 155:105 156:102 157:111 158:65 159:136 160:23 161:72 162:123 163:88 164:261 165:126 166:106 167:269 168:284 169:57 170:177 171:3 192:5384 193:2407 194:2019 195:812 196:427 198:3601 199:3081 200:2613 202:3394 203:4774 204:3297 205:2153 206:2419 207:2485 208:2614 209:2590 210:607 211:245 212:889 213:716 214:7 215:19 216:2916 217:502 218:44 219:2 End of report