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 21 Jun, 2002 Analysis Summary ---------------- BGP routing table entries examined: 116768 Prefixes after maximum aggregation: 75458 Unique aggregates announced to Internet: 54444 Total ASes present in the Internet Routing Table: 13262 Origin-only ASes present in the Internet Routing Table: 11497 Origin ASes announcing only one prefix: 5075 Transit ASes present in the Internet Routing Table: 1765 Transit-only ASes present in the Internet Routing Table: 50 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: 35 Number of addresses announced to Internet: 1191164380 Equivalent to 70 /8s, 255 /16s and 185 /24s Percentage of available address space announced: 32.1 Percentage of allocated address space announced: 59.9 Percentage of available address space allocated: 53.7 Total number of prefixes smaller than registry allocations: 48984 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18439 Total APNIC prefixes after maximum aggregation: 11051 Prefixes being announced from the APNIC address blocks: 16933 Unique aggregates announced from the APNIC address blocks: 10433 APNIC Region origin ASes present in the Internet Routing Table: 1546 APNIC Region origin ASes announcing only one prefix: 505 APNIC Region transit ASes present in the Internet Routing Table: 271 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 87375200 Equivalent to 5 /8s, 53 /16s and 61 /24s Percentage of available APNIC address space announced: 64.6 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 220/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 79103 Total ARIN prefixes after maximum aggregation: 49855 Prefixes being announced from the ARIN address blocks: 54598 Unique aggregates announced from the ARIN address blocks: 17874 ARIN Region origin ASes present in the Internet Routing Table: 7814 ARIN Region origin ASes announcing only one prefix: 2508 ARIN Region transit ASes present in the Internet Routing Table: 764 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 188803412 Equivalent to 11 /8s, 64 /16s and 233 /24s Percentage of available ARIN address space announced: 70.3 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 - 26623 ARIN Address Blocks 24/8, 63/8, 64/6, 68/8, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19225 Total RIPE prefixes after maximum aggregation: 14552 Prefixes being announced from the RIPE address blocks: 15925 Unique aggregates announced from the RIPE address blocks: 10567 RIPE Region origin ASes present in the Internet Routing Table: 3853 RIPE Region origin ASes announcing only one prefix: 2062 RIPE Region transit ASes present in the Internet Routing Table: 712 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 111785248 Equivalent to 6 /8s, 169 /16s and 181 /24s Percentage of available RIPE address space announced: 74.0 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 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1221 1260 1222 907 Telstra Pty Ltd 4538 419 1194 16 China Education and Research 703 417 357 333 UUNET Technologies, Inc. 2907 384 1875 357 SINET Japan 2764 367 358 336 connect.com.au pty ltd 7474 311 292 208 Optus Communications Pty Ltd 17557 300 20 114 Pakistan Telecom 4755 295 115 80 Videsh Sanchar Nigam Ltd. Aut 4134 290 2132 102 Data Communications Bureau 9443 251 45 67 Primus Telecommunications 4766 216 1504 154 Korea Internet Exchange for " 4814 196 79 14 China Telecom (Group) - Beiji 4713 183 1009 106 NTT Communications Corporatio 9583 175 32 5 Satyam Infoway Ltd., 17676 150 2322 23 XTAGE CORPORATION 9768 146 386 75 Korea Telecom 7657 139 22 87 The Internet Group Limited 9800 116 191 24 CHINA UNICOM 4780 112 186 39 Digital United Inc. 4739 111 56 102 Commerical Internet eXchange RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1022 2617 846 UUNET Technologies, Inc. 3301 401 924 350 TeliaNet Sweden 3352 278 537 27 Ibernet, Internet Access Netw 3215 263 598 162 France Telecom / &Equant 680 233 2149 230 DFN-IP service G-WiN 3320 233 1962 186 Deutsche Telekom AG 5515 206 783 172 Sonera Finland Autonomous Sys 1257 204 430 201 SWIPnet Swedish IP Network 5400 203 83 94 Concert European Core Network 719 191 306 129 LANLINK autonomous system 786 178 1873 177 The JANET IP Service 8708 141 23 138 Romania Data Systems S.A. 3303 133 546 132 Swisscom Ltd 2856 125 786 115 BTnet UK Regional network 12302 124 10 31 MobiFon S.A. 3269 113 692 70 TELECOM ITALIA 8297 111 55 64 Teleglobe Autonomous System i 3246 108 300 103 Song Networks / Clinet 3233 102 6 56 RNC - Romanian Natioanal R&D 2874 98 85 38 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2149 2872 349 2325 Performance Systems, Inc. 701 2016 9242 1405 UUNET Technologies, Inc. 7018 1286 7453 929 AT&T 3908 908 1642 495 Supernet, Inc. 1239 815 3363 651 Sprint 705 802 188 276 UUNET Technologies, Inc. 1 701 8147 451 GENUITY 852 674 1173 449 Telus Advanced Communications 4323 631 438 259 Time Warner Communications, I 7843 613 375 60 Adelphia Corp. 209 611 1959 342 Qwest 7046 597 860 384 UUNET Technologies, Inc. 690 588 81 376 Merit Network 7132 577 659 134 Southwestern Bell Internet Se 174 554 4608 36 PSINet Inc. 7066 476 202 249 Virginia Polytechnic Institut 3549 453 857 317 Global Crossing 2914 393 2100 385 Verio, Inc. 15290 385 299 198 AT&T Canada IES 6197 347 247 170 BellSouth Network Solutions, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 701 2016 611 UUNET Technologies, Inc. 7843 613 553 Adelphia Corp. 705 802 526 UUNET Technologies, Inc. 174 554 518 PSINet Inc. 7132 577 443 Southwestern Bell Internet Se 3908 908 413 Supernet, Inc. 4538 419 403 China Education and Research 4323 631 372 Time Warner Communications, I 7018 1286 357 AT&T 1221 1260 353 Telstra Pty Ltd 11371 292 286 Rhythms NetConnections 4151 288 272 USDA 209 611 269 Qwest 6347 338 260 SAVVIS Communications Corpora 3352 278 251 Ibernet, Internet Access Netw 1 701 250 GENUITY 4355 301 248 EarthLink, Inc. 7029 262 248 Alltel Information Services, 7066 476 227 Virginia Polytechnic Institut 4454 249 226 OIR Telecommunications, State List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 13136 UNALLOCATED 80.85.128.0/20 16243 Virtu Secure Webserv 55000 RESERVED 81.5.64.0/20 5467 MIPT-NET 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 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.26.98.0/24 1239 Sprint 192.44.0.0/19 702 UUNET Technologies, Inc. 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 Finland Autonomous Sys 192.83.32.0/19 5515 Sonera Finland Autonomous Sys 192.83.96.0/22 5515 Sonera Finland Autonomous Sys 192.83.100.0/24 5515 Sonera Finland Autonomous Sys 192.91.198.0/24 2568 CTS Network Services 192.92.167.0/24 297 NASA Science Network 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.135.248.0/23 109 Cisco Systems, Inc. 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 192.152.213.0/24 1239 Sprint 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.172.0.0/19 568 DISO-UNRRA 192.195.253.0/24 237 Merit Network 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 /8:19 /9:6 /10:7 /11:12 /12:36 /13:90 /14:236 /15:421 /16:7261 /17:1455 /18:2632 /19:7670 /20:7270 /21:5094 /22:7845 /23:9553 /24:66470 /25:195 /26:171 /27:82 /28:77 /29:48 /30:81 /31:1 /32:36 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2149 2334 2872 Performance Systems, Inc. 702 629 1022 UUNET Technologies, Inc. 705 598 802 UUNET Technologies, Inc. 701 574 2016 UUNET Technologies, Inc. 3908 496 908 Supernet, Inc. 690 466 588 Merit Network 174 461 554 PSINet Inc. 7843 397 613 Adelphia Corp. 7066 381 476 Virginia Polytechnic Institut 7018 345 1286 AT&T 209 276 611 Qwest 6197 249 347 BellSouth Network Solutions, 7029 248 262 Alltel Information Services, 11371 245 292 Rhythms NetConnections 7046 241 597 UUNET Technologies, Inc. 3301 237 401 TeliaNet Sweden 6198 233 320 BellSouth Network Solutions, 18566 221 225 Covad Communications 6517 216 238 Yipes Communications, Inc. 1239 202 815 Sprint Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:510 13:10 15:2 17:6 20:2 24:807 25:1 32:41 38:2638 40:6 44:1 57:13 61:265 62:205 63:1925 64:1236 65:1658 66:978 67:86 68:179 80:257 81:30 128:60 129:140 130:24 131:49 132:11 133:3 134:120 135:8 136:245 137:94 138:149 139:59 140:141 141:121 142:83 143:37 144:152 145:14 146:174 147:138 148:216 149:91 150:40 151:127 152:265 153:33 154:19 155:101 156:77 157:127 158:69 159:127 160:18 161:69 162:154 163:103 164:276 165:133 166:229 167:173 168:131 169:59 170:355 171:3 192:5483 193:2369 194:2085 195:957 196:395 198:3680 199:3235 200:2514 202:3236 203:4661 204:3423 205:2183 206:2738 207:2613 208:2669 209:2672 210:582 211:221 212:899 213:632 214:9 215:19 216:2976 217:462 218:39 219:41 End of report