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 Mar, 2002 Analysis Summary ---------------- BGP routing table entries examined: 109552 Prefixes after maximum aggregation: 72183 Unique aggregates announced to Internet: 51996 Total ASes present in the Internet Routing Table: 12692 Origin-only ASes present in the Internet Routing Table: 10991 Origin ASes announcing only one prefix: 4803 Transit ASes present in the Internet Routing Table: 1701 Transit-only ASes present in the Internet Routing Table: 56 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 16 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: 15 Number of addresses announced to Internet: 1167658920 Equivalent to 69 /8s, 153 /16s and 15 /24s Percentage of available address space announced: 31.5 Percentage of allocated address space announced: 59.6 Percentage of available address space allocated: 52.8 Total number of prefixes smaller than registry allocations: 73385 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 17921 Total APNIC prefixes after maximum aggregation: 10655 Prefixes being announced from the APNIC address blocks: 16437 Unique aggregates announced from the APNIC address blocks: 9996 APNIC Region origin ASes present in the Internet Routing Table: 1455 APNIC Region origin ASes announcing only one prefix: 476 APNIC Region transit ASes present in the Internet Routing Table: 255 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 81482560 Equivalent to 4 /8s, 219 /16s and 83 /24s Percentage of available APNIC address space announced: 60.2 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: 73350 Total ARIN prefixes after maximum aggregation: 47375 Prefixes being announced from the ARIN address blocks: 51778 Unique aggregates announced from the ARIN address blocks: 16246 ARIN Region origin ASes present in the Internet Routing Table: 7518 ARIN Region origin ASes announcing only one prefix: 2351 ARIN Region transit ASes present in the Internet Routing Table: 766 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 189973956 Equivalent to 11 /8s, 82 /16s and 197 /24s Percentage of available ARIN address space announced: 70.8 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: 18281 Total RIPE prefixes after maximum aggregation: 14153 Prefixes being announced from the RIPE address blocks: 15019 Unique aggregates announced from the RIPE address blocks: 10004 RIPE Region origin ASes present in the Internet Routing Table: 3662 RIPE Region origin ASes announcing only one prefix: 1976 RIPE Region transit ASes present in the Internet Routing Table: 669 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 107343392 Equivalent to 6 /8s, 101 /16s and 238 /24s Percentage of available RIPE address space announced: 71.1 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 1299 1229 958 Telstra Pty Ltd 4538 462 1162 16 China Education and Research 2907 408 1959 372 SINET Japan 703 403 333 313 UUNET Technologies, Inc. 2764 385 360 361 connect.com.au pty ltd 9394 302 113 4 CHINA RAILWAY Internet(CRNET) 7474 295 289 200 Optus Communications Pty Ltd 4755 291 111 88 Videsh Sanchar Nigam Ltd. Aut 4134 274 1962 97 Data Communications Bureau 9443 273 44 63 Primus Telecommunications 17557 233 15 100 Pakistan Telecom 4766 213 1521 147 Korea Internet Exchange for " 7539 165 237 158 TANet2, sponsored by NSC, TAI 4804 148 84 68 Microplex PTY LTD 9768 147 385 89 Korea Telecom 9583 141 32 5 Satyam Infoway Ltd., 4713 127 914 104 NTT Communications Corporatio 7657 123 22 86 The Internet Group Limited 4780 117 186 40 Digital United Inc. 17676 117 1872 17 XTAGE CORPORATION RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1041 2631 852 UUNET Technologies, Inc. 3301 396 924 350 TeliaNet Sweden 3215 261 570 157 France Telecom / &Equant 1257 236 487 232 SWIPnet Swedish IP Network 680 231 2147 230 DFN-IP service G-WiN 5515 216 697 173 Sonera Finland Autonomous Sys 5400 200 83 94 Concert European Core Network 3320 196 1964 171 Deutsche Telekom AG 786 182 1874 182 The JANET IP Service 8708 158 23 147 Romania Data Systems S.A. 719 132 289 118 LANLINK autonomous system 2856 131 790 120 BTnet UK Regional network 3303 124 579 124 Swisscom Ltd 12302 119 7 40 MobiFon S.A. 3269 116 693 70 TELECOM ITALIA 8297 115 37 65 Teleglobe Autonomous System i 517 101 226 99 KPNQwest Germany GmbH 9051 101 6 25 INCONET Autonomous System 2874 96 100 36 Global One Services AB 5511 91 192 79 France Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2140 8408 1539 UUNET Technologies, Inc. 7018 1209 7495 910 AT&T 3908 847 1659 480 Supernet, Inc. 1 836 8123 610 BBN Planet 1239 791 3381 622 Sprint 4323 639 435 252 Time Warner Communications, I 852 633 1128 414 Telus Advanced Communications 7046 626 835 410 UUNET Technologies, Inc. 209 545 1976 313 Qwest 7132 514 541 157 Southwestern Bell Internet Se 3549 478 843 243 Global Crossing 690 437 66 284 Merit Network 2914 422 2176 418 Verio, Inc. 2149 379 209 315 Performance Systems, Inc. 7843 379 305 50 Adelphia Corp. 705 369 114 260 UUNET Technologies, Inc. 3741 344 731 235 The Internet Solution 2386 337 356 192 AT&T Data Communications Serv 6197 330 215 168 BellSouth Network Solutions, 3561 325 2169 292 Cable & Wireless USA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 462 446 China Education and Research 4323 639 387 Time Warner Communications, I 3908 847 367 Supernet, Inc. 7132 514 357 Southwestern Bell Internet Se 1221 1299 341 Telstra Pty Ltd 7843 379 329 Adelphia Corp. 7018 1209 299 AT&T 9394 302 298 CHINA RAILWAY Internet(CRNET) 4151 306 290 USDA 6198 309 276 BellSouth Network Solutions, 11371 270 264 Rhythms NetConnections 6347 315 237 SAVVIS Communications Corpora 3549 478 235 Global Crossing 209 545 232 Qwest 7029 243 228 Alltel Information Services, 1 836 226 BBN Planet 852 633 219 Telus Advanced Communications 7046 626 216 UUNET Technologies, Inc. 9443 273 210 Primus Telecommunications 4355 242 205 EarthLink, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 23336 UNALLOCATED 65.163.175.0/24 701 UUNET Technologies, 23336 UNALLOCATED 65.166.167.0/24 701 UUNET Technologies, 23336 UNALLOCATED 65.171.130.0/24 701 UUNET Technologies, 23336 UNALLOCATED 65.222.19.0/24 701 UUNET Technologies, 23339 UNALLOCATED 66.181.32.0/20 701 UUNET Technologies, 23336 UNALLOCATED 204.182.49.0/24 701 UUNET Technologies, 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 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 189.186.184.0/24 4471 Michigan Internet Cooperative 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 /8:19 /9:5 /10:8 /11:14 /12:35 /13:88 /14:232 /15:404 /16:7175 /17:1381 /18:2534 /19:7385 /20:6887 /21:4882 /22:7454 /23:9124 /24:60935 /25:228 /26:266 /27:120 /28:90 /29:111 /30:132 /31:0 /32:43 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1381 2140 UUNET Technologies, Inc. 1221 1156 1299 Telstra Pty Ltd 702 661 1041 UUNET Technologies, Inc. 7018 629 1209 AT&T 3908 583 847 Supernet, Inc. 4323 510 639 Time Warner Communications, I 1239 452 791 Sprint 7046 442 626 UUNET Technologies, Inc. 1 433 836 BBN Planet 690 433 437 Merit Network 852 388 633 Telus Advanced Communications 209 358 545 Qwest 2764 341 385 connect.com.au pty ltd 3549 341 478 Global Crossing 703 325 403 UUNET Technologies, Inc. 705 317 369 UUNET Technologies, Inc. 9394 289 302 CHINA RAILWAY Internet(CRNET) 2149 287 379 Performance Systems, Inc. 6197 279 330 BellSouth Network Solutions, 7066 272 301 Virginia Polytechnic Institut Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 9:1 12:485 13:10 15:1 17:5 20:2 24:760 25:1 32:68 38:9 40:6 44:1 57:15 61:283 62:171 63:1882 64:1149 65:1063 66:816 67:52 68:5 80:213 81:5 128:63 129:120 130:23 131:74 132:11 133:3 134:125 135:10 136:251 137:102 138:195 139:48 140:185 141:61 142:87 143:37 144:143 145:12 146:217 147:164 148:130 149:91 150:41 151:49 152:343 153:33 154:8 155:90 156:75 157:118 158:73 159:118 160:23 161:55 162:140 163:118 164:92 165:118 166:224 167:186 168:119 169:49 170:287 171:2 189:1 192:5435 193:2207 194:2064 195:800 196:429 198:3678 199:3232 200:2363 201:1 202:3041 203:4543 204:3321 205:2174 206:2507 207:2627 208:2559 209:2781 210:543 211:196 212:870 213:581 214:9 215:18 216:2976 217:441 218:21 End of report
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Routing Table Analysis