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 22 Feb, 2002 Analysis Summary ---------------- BGP routing table entries examined: 108511 Prefixes after maximum aggregation: 71931 Unique aggregates announced to Internet: 51754 Total ASes present in the Internet Routing Table: 12591 Origin-only ASes present in the Internet Routing Table: 10899 Origin ASes announcing only one prefix: 4778 Transit ASes present in the Internet Routing Table: 1692 Transit-only ASes present in the Internet Routing Table: 58 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: 2 Non-routable prefixes present in the Routing Table: 1 Prefixes being announced from the IANA Reserved Address blocks: 15 Number of addresses announced to Internet: 1174523208 Equivalent to 70 /8s, 1 /16s and 205 /24s Percentage of available address space announced: 31.7 Percentage of allocated address space announced: 60.0 Percentage of available address space allocated: 52.8 Total number of prefixes smaller than registry allocations: 72403 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 17358 Total APNIC prefixes after maximum aggregation: 10557 Prefixes being announced from the APNIC address blocks: 15867 Unique aggregates announced from the APNIC address blocks: 9799 APNIC Region origin ASes present in the Internet Routing Table: 1445 APNIC Region origin ASes announcing only one prefix: 491 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: 79641920 Equivalent to 4 /8s, 191 /16s and 61 /24s Percentage of available APNIC address space announced: 58.9 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: 72928 Total ARIN prefixes after maximum aggregation: 47301 Prefixes being announced from the ARIN address blocks: 51446 Unique aggregates announced from the ARIN address blocks: 16297 ARIN Region origin ASes present in the Internet Routing Table: 7449 ARIN Region origin ASes announcing only one prefix: 2322 ARIN Region transit ASes present in the Internet Routing Table: 766 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 194750084 Equivalent to 11 /8s, 155 /16s and 166 /24s Percentage of available ARIN address space announced: 72.6 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: 18225 Total RIPE prefixes after maximum aggregation: 14073 Prefixes being announced from the RIPE address blocks: 14981 Unique aggregates announced from the RIPE address blocks: 9993 RIPE Region origin ASes present in the Internet Routing Table: 3638 RIPE Region origin ASes announcing only one prefix: 1965 RIPE Region transit ASes present in the Internet Routing Table: 660 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 106891520 Equivalent to 6 /8s, 95 /16s and 9 /24s Percentage of available RIPE address space announced: 70.8 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 1311 1246 963 Telstra Pty Ltd 4538 454 1162 16 China Education and Research 703 402 359 311 UUNET Technologies, Inc. 2907 399 1942 365 SINET Japan 2764 387 361 362 connect.com.au pty ltd 7474 302 290 206 Optus Communications Pty Ltd 4755 290 111 88 Videsh Sanchar Nigam Ltd. Aut 4134 270 1874 98 Data Communications Bureau 9394 253 112 3 CHINA RAILWAY Internet(CRNET) 17557 226 17 95 Pakistan Telecom 4766 213 1392 151 Korea Internet Exchange for " 7539 162 220 155 TANet2, sponsored by NSC, TAI 9443 162 44 60 Primus Telecommunications 9768 146 385 88 Korea Telecom 4804 144 84 68 Microplex PTY LTD 9583 140 32 5 Satyam Infoway Ltd., 7657 122 22 85 The Internet Group Limited 4780 118 186 40 Digital United Inc. 4713 117 914 103 NTT Communications Corporatio 17676 115 1840 17 XTAGE CORPORATION RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1063 2631 856 UUNET Technologies, Inc. 3301 398 924 352 TeliaNet Sweden 1257 247 487 243 SWIPnet Swedish IP Network 3215 238 570 155 France Telecom / &Equant 680 232 2147 230 DFN-IP service G-WiN 5515 217 713 174 Sonera Finland Autonomous Sys 5400 197 82 93 Concert European Core Network 3320 196 1964 172 Deutsche Telekom AG 786 181 1858 181 The JANET IP Service 719 167 305 121 LANLINK autonomous system 8708 157 22 145 Romania Data Systems S.A. 2856 131 790 120 BTnet UK Regional network 2118 126 109 20 EUnet/RELCOM Autonomous Syste 3303 123 577 123 Swisscom Ltd 3269 117 693 71 TELECOM ITALIA 8297 116 40 65 Teleglobe Autonomous System i 12302 114 7 35 MobiFon S.A. 517 100 226 98 KPNQwest Germany GmbH 5536 97 13 25 Internet Egypt Network 2874 95 100 35 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2106 8443 1503 UUNET Technologies, Inc. 7018 1237 7511 932 AT&T 3908 834 1661 481 Supernet, Inc. 1 817 8102 596 BBN Planet 1239 805 3348 621 Sprint 4323 658 434 257 Time Warner Communications, I 7046 616 850 416 UUNET Technologies, Inc. 852 614 1127 410 Telus Advanced Communications 209 537 1974 309 Qwest 7132 455 510 164 Southwestern Bell Internet Se 2914 453 2193 421 Verio, Inc. 3549 451 807 234 Global Crossing 690 437 66 283 Merit Network 7843 377 298 47 Adelphia Corp. 705 373 114 263 UUNET Technologies, Inc. 2149 373 209 311 Performance Systems, Inc. 577 353 588 221 Bell Advanced Communications 3561 350 2204 310 Cable & Wireless USA 3741 343 730 234 The Internet Solution 2386 332 354 189 AT&T Data Communications Serv Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 454 438 China Education and Research 4323 658 401 Time Warner Communications, I 3908 834 353 Supernet, Inc. 1221 1311 348 Telstra Pty Ltd 7843 377 330 Adelphia Corp. 7018 1237 305 AT&T 7132 455 291 Southwestern Bell Internet Se 4151 305 289 USDA 6198 307 274 BellSouth Network Solutions, 11371 279 272 Rhythms NetConnections 9394 253 250 CHINA RAILWAY Internet(CRNET) 6347 316 238 SAVVIS Communications Corpora 7029 244 229 Alltel Information Services, 209 537 228 Qwest 1 817 221 BBN Planet 3549 451 217 Global Crossing 702 1063 207 UUNET Technologies, Inc. 852 614 204 Telus Advanced Communications 4355 243 204 EarthLink, Inc. 4755 290 202 Videsh Sanchar Nigam Ltd. Aut 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, Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 172.16.0.0/12 9367 Tokyo Institute of Technology 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 /12:38 /13:90 /14:233 /15:396 /16:7146 /17:1433 /18:2528 /19:7364 /20:6760 /21:4801 /22:7291 /23:8889 /24:60555 /25:216 /26:260 /27:120 /28:87 /29:91 /30:130 /31:0 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1351 2106 UUNET Technologies, Inc. 1221 1166 1311 Telstra Pty Ltd 702 687 1063 UUNET Technologies, Inc. 7018 652 1237 AT&T 3908 589 834 Supernet, Inc. 4323 537 658 Time Warner Communications, I 1239 472 805 Sprint 690 433 437 Merit Network 7046 433 616 UUNET Technologies, Inc. 1 420 817 BBN Planet 852 372 614 Telus Advanced Communications 209 355 537 Qwest 2764 343 387 connect.com.au pty ltd 703 324 402 UUNET Technologies, Inc. 705 320 373 UUNET Technologies, Inc. 3549 318 451 Global Crossing 2149 282 373 Performance Systems, Inc. 7066 276 305 Virginia Polytechnic Institut 6197 275 326 BellSouth Network Solutions, 11371 273 279 Rhythms NetConnections Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 9:1 12:481 13:10 15:1 17:5 20:2 24:771 25:1 32:68 38:9 40:6 44:1 57:14 61:230 62:171 63:1880 64:1128 65:1032 66:721 67:34 68:7 80:204 81:5 128:62 129:123 130:21 131:57 132:11 133:3 134:128 135:10 136:247 137:101 138:148 139:47 140:185 141:62 142:88 143:37 144:152 145:12 146:216 147:156 148:146 149:92 150:39 151:45 152:352 153:32 154:7 155:85 156:75 157:121 158:78 159:89 160:23 161:55 162:139 163:115 164:95 165:120 166:225 167:182 168:119 169:51 170:293 171:2 189:1 192:5436 193:2180 194:2103 195:817 196:443 198:3741 199:3236 200:2318 201:1 202:2906 203:4459 204:3337 205:2174 206:2526 207:2626 208:2570 209:2820 210:528 211:184 212:895 213:567 214:9 215:18 216:2969 217:452 218:10 End of report
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Routing Table Analysis