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 08 Feb, 2002 Analysis Summary ---------------- BGP routing table entries examined: 107908 Prefixes after maximum aggregation: 71978 Unique aggregates announced to Internet: 52602 Total ASes present in the Internet Routing Table: 12515 Origin-only ASes present in the Internet Routing Table: 10824 Origin ASes announcing only one prefix: 4729 Transit ASes present in the Internet Routing Table: 1691 Transit-only ASes present in the Internet Routing Table: 60 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 20 Illegal AS announcements present in the Routing Table: 2 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 15 Number of addresses announced to Internet: 1164266760 Equivalent to 69 /8s, 101 /16s and 77 /24s Percentage of available address space announced: 31.4 Percentage of allocated address space announced: 59.4 Percentage of available address space allocated: 52.8 Total number of prefixes smaller than registry allocations: 71887 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 17523 Total APNIC prefixes after maximum aggregation: 10668 Prefixes being announced from the APNIC address blocks: 16019 Unique aggregates announced from the APNIC address blocks: 9821 APNIC Region origin ASes present in the Internet Routing Table: 1450 APNIC Region origin ASes announcing only one prefix: 481 APNIC Region transit ASes present in the Internet Routing Table: 253 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 79436352 Equivalent to 4 /8s, 188 /16s and 26 /24s Percentage of available APNIC address space announced: 58.7 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: 72415 Total ARIN prefixes after maximum aggregation: 47252 Prefixes being announced from the ARIN address blocks: 51059 Unique aggregates announced from the ARIN address blocks: 17199 ARIN Region origin ASes present in the Internet Routing Table: 7401 ARIN Region origin ASes announcing only one prefix: 2294 ARIN Region transit ASes present in the Internet Routing Table: 762 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 185726788 Equivalent to 11 /8s, 17 /16s and 247 /24s Percentage of available ARIN address space announced: 69.2 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 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: 17970 Total RIPE prefixes after maximum aggregation: 14058 Prefixes being announced from the RIPE address blocks: 14778 Unique aggregates announced from the RIPE address blocks: 9905 RIPE Region origin ASes present in the Internet Routing Table: 3603 RIPE Region origin ASes announcing only one prefix: 1954 RIPE Region transit ASes present in the Internet Routing Table: 657 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 106625024 Equivalent to 6 /8s, 90 /16s and 248 /24s Percentage of available RIPE address space announced: 70.6 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 1318 1258 963 Telstra Pty Ltd 4538 454 1162 16 China Education and Research 703 405 363 307 UUNET Technologies, Inc. 2907 395 1893 364 SINET Japan 2764 392 361 369 connect.com.au pty ltd 7474 301 290 204 Optus Communications Pty Ltd 4755 287 111 89 Videsh Sanchar Nigam Ltd. Aut 4134 269 1858 100 Data Communications Bureau 9394 236 112 3 CHINA RAILWAY Internet(CRNET) 4766 206 1393 145 Korea Internet Exchange for " 17557 200 15 90 Pakistan Telecom 7539 162 220 155 TANet2, sponsored by NSC, TAI 9443 161 44 59 Primus Telecommunications 9768 146 385 88 Korea Telecom 9583 139 32 5 Satyam Infoway Ltd., 4197 130 13 5 Global OnLine Japan K.K. 4740 124 17 104 OzEmail ISP 7657 121 22 84 The Internet Group Limited 4713 117 914 103 NTT Communications Corporatio 4780 115 186 40 Digital United Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1112 2619 863 UUNET Technologies, Inc. 3301 398 924 351 TeliaNet Sweden 1257 252 487 248 SWIPnet Swedish IP Network 3215 242 570 156 France Telecom / &Equant 680 232 2147 230 DFN-IP service G-WiN 5515 218 705 175 Sonera Finland Autonomous Sys 5400 199 82 96 Concert European Core Network 3320 196 1964 172 Deutsche Telekom AG 786 182 1874 182 The JANET IP Service 719 166 289 120 LANLINK autonomous system 8708 159 21 145 Romania Data Systems S.A. 2856 131 790 120 BTnet UK Regional network 3303 122 576 122 Swisscom Ltd 3269 117 693 71 TELECOM ITALIA 8297 117 40 66 Teleglobe Autonomous System i 12302 114 7 35 MobiFon S.A. 517 100 226 98 KPNQwest Germany GmbH 5603 93 12 59 SiOL Internet d.o.o. 5511 92 192 81 France Telecom 1267 91 1471 41 Infostrada S.p.A. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2087 8303 1510 UUNET Technologies, Inc. 7018 1233 7510 928 AT&T 1 842 8153 613 BBN Planet 3908 810 1662 470 Supernet, Inc. 1239 795 3216 615 Sprint 4323 635 432 239 Time Warner Communications, I 7046 632 833 417 UUNET Technologies, Inc. 852 616 1141 409 Telus Advanced Communications 209 529 1908 301 Qwest 690 492 72 307 Merit Network 7132 455 508 163 Southwestern Bell Internet Se 2914 453 2195 422 Verio, Inc. 3549 436 821 217 Global Crossing 705 390 116 274 UUNET Technologies, Inc. 2149 390 210 326 Performance Systems, Inc. 3561 369 2237 325 Cable & Wireless USA 577 352 604 219 Bell Advanced Communications 3741 348 731 239 The Internet Solution 2386 329 355 190 AT&T Data Communications Serv 6197 327 227 161 BellSouth Network Solutions, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 454 438 China Education and Research 4323 635 396 Time Warner Communications, I 1221 1318 355 Telstra Pty Ltd 3908 810 340 Supernet, Inc. 7018 1233 305 AT&T 4151 311 295 USDA 7132 455 292 Southwestern Bell Internet Se 11371 278 271 Rhythms NetConnections 702 1112 249 UUNET Technologies, Inc. 9394 236 233 CHINA RAILWAY Internet(CRNET) 6347 311 232 SAVVIS Communications Corpora 1 842 229 BBN Planet 209 529 228 Qwest 7843 259 221 Adelphia Corp. 3549 436 219 Global Crossing 7046 632 215 UUNET Technologies, Inc. 852 616 207 Telus Advanced Communications 4355 233 204 EarthLink, Inc. 6198 296 202 BellSouth Network Solutions, 1580 211 200 HQ, 5th Signal Command List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p 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 96.0.0.0/20 3549 Global Crossing 126.0.0.0/8 7336 Compass Communications 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 BBN Planet 144.7.0.0/16 701 UUNET Technologies, Inc. 153.36.0.0/14 701 UUNET Technologies, Inc. 154.150.0.0/16 6494 IDCI 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 164.235.0.0/16 6025 US DOD NIC Unregistered 201.115.100.0/24 7018 AT&T Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:6 /10:7 /11:12 /12:37 /13:91 /14:231 /15:392 /16:7137 /17:1421 /18:2498 /19:7344 /20:6700 /21:4791 /22:7265 /23:8915 /24:60015 /25:219 /26:278 /27:128 /28:100 /29:103 /30:162 /31:0 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1336 2087 UUNET Technologies, Inc. 1221 1172 1318 Telstra Pty Ltd 702 735 1112 UUNET Technologies, Inc. 7018 646 1233 AT&T 3908 565 810 Supernet, Inc. 4323 517 635 Time Warner Communications, I 690 488 492 Merit Network 1239 471 795 Sprint 7046 460 632 UUNET Technologies, Inc. 1 435 842 BBN Planet 852 375 616 Telus Advanced Communications 209 351 529 Qwest 2764 348 392 connect.com.au pty ltd 705 336 390 UUNET Technologies, Inc. 703 327 405 UUNET Technologies, Inc. 3549 305 436 Global Crossing 2149 297 390 Performance Systems, Inc. 7066 275 304 Virginia Polytechnic Institut 6197 274 327 BellSouth Network Solutions, 11371 272 278 Rhythms NetConnections Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:1 9:1 12:466 13:10 15:1 17:5 20:8 24:664 25:1 32:68 38:9 40:6 44:1 57:14 61:218 62:163 63:1874 64:1099 65:1028 66:668 67:32 68:5 80:179 81:4 128:65 129:119 130:23 131:52 132:11 133:3 134:128 135:10 136:243 137:105 138:148 139:47 140:163 141:61 142:67 143:39 144:154 145:12 146:216 147:148 148:144 149:86 150:40 151:43 152:328 153:32 154:8 155:81 156:77 157:120 158:80 159:88 160:24 161:55 162:101 163:117 164:95 165:126 166:222 167:167 168:114 169:48 170:291 171:3 192:5445 193:2232 194:2031 195:790 196:444 198:3736 199:3261 200:2315 201:1 202:2923 203:4507 204:3281 205:2157 206:2515 207:2628 208:2566 209:2850 210:525 211:146 212:865 213:553 214:9 215:19 216:2938 217:439 218:10 End of report