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 01 Mar, 2002 Analysis Summary ---------------- BGP routing table entries examined: 109166 Prefixes after maximum aggregation: 72127 Unique aggregates announced to Internet: 51877 Total ASes present in the Internet Routing Table: 12656 Origin-only ASes present in the Internet Routing Table: 10956 Origin ASes announcing only one prefix: 4788 Transit ASes present in the Internet Routing Table: 1700 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: 16 Illegal AS announcements present in the Routing Table: 9 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: 1170537896 Equivalent to 69 /8s, 196 /16s and 253 /24s Percentage of available address space announced: 31.6 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 52.8 Total number of prefixes smaller than registry allocations: 73032 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 17792 Total APNIC prefixes after maximum aggregation: 10648 Prefixes being announced from the APNIC address blocks: 16359 Unique aggregates announced from the APNIC address blocks: 9952 APNIC Region origin ASes present in the Internet Routing Table: 1456 APNIC Region origin ASes announcing only one prefix: 480 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: 80235584 Equivalent to 4 /8s, 200 /16s and 76 /24s Percentage of available APNIC address space announced: 59.3 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 220/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 73100 Total ARIN prefixes after maximum aggregation: 47396 Prefixes being announced from the ARIN address blocks: 51620 Unique aggregates announced from the ARIN address blocks: 16248 ARIN Region origin ASes present in the Internet Routing Table: 7494 ARIN Region origin ASes announcing only one prefix: 2343 ARIN Region transit ASes present in the Internet Routing Table: 769 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 190060100 Equivalent to 11 /8s, 84 /16s and 22 /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: 18270 Total RIPE prefixes after maximum aggregation: 14083 Prefixes being announced from the RIPE address blocks: 15001 Unique aggregates announced from the RIPE address blocks: 10014 RIPE Region origin ASes present in the Internet Routing Table: 3648 RIPE Region origin ASes announcing only one prefix: 1965 RIPE Region transit ASes present in the Internet Routing Table: 665 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 107107488 Equivalent to 6 /8s, 98 /16s and 84 /24s Percentage of available RIPE address space announced: 70.9 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 1298 1229 959 Telstra Pty Ltd 4538 457 1162 16 China Education and Research 2907 408 1975 371 SINET Japan 703 397 353 307 UUNET Technologies, Inc. 2764 385 360 361 connect.com.au pty ltd 7474 298 289 203 Optus Communications Pty Ltd 4755 297 111 86 Videsh Sanchar Nigam Ltd. Aut 4134 270 1874 98 Data Communications Bureau 9443 270 44 62 Primus Telecommunications 9394 263 112 3 CHINA RAILWAY Internet(CRNET) 17557 228 15 99 Pakistan Telecom 4766 211 1393 147 Korea Internet Exchange for " 4804 148 84 68 Microplex PTY LTD 9768 147 385 89 Korea Telecom 9583 142 32 5 Satyam Infoway Ltd., 7539 134 215 131 TANet2, sponsored by NSC, TAI 4713 127 914 104 NTT Communications Corporatio 7657 122 22 85 The Internet Group Limited 4780 120 186 40 Digital United Inc. 17676 115 1840 17 XTAGE CORPORATION RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1062 2618 856 UUNET Technologies, Inc. 3301 397 924 351 TeliaNet Sweden 3215 259 570 156 France Telecom / &Equant 1257 244 487 240 SWIPnet Swedish IP Network 680 231 2147 230 DFN-IP service G-WiN 5515 217 713 174 Sonera Finland Autonomous Sys 5400 201 82 93 Concert European Core Network 3320 195 1964 171 Deutsche Telekom AG 786 181 1858 181 The JANET IP Service 719 164 289 119 LANLINK autonomous system 8708 161 22 147 Romania Data Systems S.A. 2856 131 790 120 BTnet UK Regional network 3303 123 577 123 Swisscom Ltd 12302 118 7 36 MobiFon S.A. 3269 117 693 71 TELECOM ITALIA 8297 114 40 65 Teleglobe Autonomous System i 517 100 226 98 KPNQwest Germany GmbH 2874 95 100 35 Global One Services AB 5511 89 192 78 France Telecom 5536 89 13 25 Internet Egypt Network ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2176 8501 1518 UUNET Technologies, Inc. 7018 1202 7492 903 AT&T 3908 849 1660 477 Supernet, Inc. 1 824 8103 598 BBN Planet 1239 801 3364 623 Sprint 4323 644 435 257 Time Warner Communications, I 7046 644 838 421 UUNET Technologies, Inc. 852 618 1119 408 Telus Advanced Communications 209 536 2007 313 Qwest 3549 478 844 242 Global Crossing 7132 456 511 165 Southwestern Bell Internet Se 2914 446 2144 413 Verio, Inc. 690 439 67 285 Merit Network 7843 382 302 48 Adelphia Corp. 705 377 117 267 UUNET Technologies, Inc. 2149 368 208 306 Performance Systems, Inc. 3741 344 731 235 The Internet Solution 2386 334 355 191 AT&T Data Communications Serv 3561 334 2171 299 Cable & Wireless USA 6197 326 214 166 BellSouth Network Solutions, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 457 441 China Education and Research 4323 644 387 Time Warner Communications, I 3908 849 372 Supernet, Inc. 1221 1298 339 Telstra Pty Ltd 7843 382 334 Adelphia Corp. 7018 1202 299 AT&T 7132 456 291 Southwestern Bell Internet Se 4151 306 290 USDA 6198 307 274 BellSouth Network Solutions, 11371 278 272 Rhythms NetConnections 9394 263 260 CHINA RAILWAY Internet(CRNET) 6347 315 237 SAVVIS Communications Corpora 3549 478 236 Global Crossing 7029 244 229 Alltel Information Services, 1 824 226 BBN Planet 7046 644 223 UUNET Technologies, Inc. 209 536 223 Qwest 4755 297 211 Videsh Sanchar Nigam Ltd. Aut 852 618 210 Telus Advanced Communications 9443 270 208 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 23309 UNALLOCATED 209.79.154.0/23 2150 California State Uni 23309 UNALLOCATED 209.79.156.0/23 2150 California State Uni 23309 UNALLOCATED 209.132.144.0/24 2150 California State Uni 23309 UNALLOCATED 209.232.36.0/22 2150 California State Uni 65534 PRIVATE 209.242.165.32/27 195 San Diego Supercompu 65534 PRIVATE 209.242.166.0/26 195 San Diego Supercompu 65534 PRIVATE 209.242.166.72/29 195 San Diego Supercompu 65534 PRIVATE 209.242.166.80/28 195 San Diego Supercompu 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 /9:6 /10:8 /11:12 /12:34 /13:88 /14:233 /15:404 /16:7167 /17:1377 /18:2530 /19:7351 /20:6858 /21:4854 /22:7425 /23:9095 /24:60760 /25:214 /26:257 /27:123 /28:93 /29:93 /30:127 /31:0 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1410 2176 UUNET Technologies, Inc. 1221 1154 1298 Telstra Pty Ltd 702 685 1062 UUNET Technologies, Inc. 7018 623 1202 AT&T 3908 588 849 Supernet, Inc. 4323 515 644 Time Warner Communications, I 1239 465 801 Sprint 7046 459 644 UUNET Technologies, Inc. 690 435 439 Merit Network 1 429 824 BBN Planet 852 375 618 Telus Advanced Communications 209 351 536 Qwest 2764 341 385 connect.com.au pty ltd 3549 340 478 Global Crossing 703 322 397 UUNET Technologies, Inc. 705 322 377 UUNET Technologies, Inc. 2149 279 368 Performance Systems, Inc. 6197 275 326 BellSouth Network Solutions, 7066 273 302 Virginia Polytechnic Institut 11371 272 278 Rhythms NetConnections Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 9:1 12:489 13:10 15:1 17:5 20:2 24:778 25:1 32:68 38:9 40:6 44:1 57:15 61:237 62:175 63:1878 64:1130 65:1052 66:735 67:49 68:7 80:208 81:4 128:62 129:123 130:23 131:56 132:11 133:3 134:127 135:10 136:250 137:101 138:143 139:48 140:176 141:62 142:82 143:37 144:151 145:13 146:217 147:163 148:148 149:91 150:41 151:48 152:346 153:31 154:7 155:89 156:75 157:119 158:79 159:116 160:23 161:55 162:140 163:117 164:91 165:115 166:223 167:184 168:118 169:49 170:272 171:2 189:1 192:5425 193:2189 194:2090 195:788 196:432 198:3727 199:3233 200:2368 201:1 202:3037 203:4533 204:3317 205:2172 206:2515 207:2618 208:2562 209:2791 210:550 211:196 212:891 213:571 214:9 215:18 216:2949 217:457 218:21 End of report
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Routing Table Analysis