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 Mar, 2002 Analysis Summary ---------------- BGP routing table entries examined: 109956 Prefixes after maximum aggregation: 72203 Unique aggregates announced to Internet: 52252 Total ASes present in the Internet Routing Table: 12779 Origin-only ASes present in the Internet Routing Table: 11065 Origin ASes announcing only one prefix: 4843 Transit ASes present in the Internet Routing Table: 1714 Transit-only ASes present in the Internet Routing Table: 55 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 19 Illegal AS announcements present in the Routing Table: 6 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 14 Number of addresses announced to Internet: 1168580328 Equivalent to 69 /8s, 167 /16s and 30 /24s Percentage of available address space announced: 31.5 Percentage of allocated address space announced: 59.7 Percentage of available address space allocated: 52.8 Total number of prefixes smaller than registry allocations: 73621 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18137 Total APNIC prefixes after maximum aggregation: 10698 Prefixes being announced from the APNIC address blocks: 16655 Unique aggregates announced from the APNIC address blocks: 10053 APNIC Region origin ASes present in the Internet Routing Table: 1470 APNIC Region origin ASes announcing only one prefix: 477 APNIC Region transit ASes present in the Internet Routing Table: 259 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 82062400 Equivalent to 4 /8s, 228 /16s and 44 /24s Percentage of available APNIC address space announced: 60.7 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: 73404 Total ARIN prefixes after maximum aggregation: 47340 Prefixes being announced from the ARIN address blocks: 51865 Unique aggregates announced from the ARIN address blocks: 16357 ARIN Region origin ASes present in the Internet Routing Table: 7566 ARIN Region origin ASes announcing only one prefix: 2384 ARIN Region transit ASes present in the Internet Routing Table: 762 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 190253252 Equivalent to 11 /8s, 87 /16s and 8 /24s Percentage of available ARIN address space announced: 70.9 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: 18411 Total RIPE prefixes after maximum aggregation: 14165 Prefixes being announced from the RIPE address blocks: 15142 Unique aggregates announced from the RIPE address blocks: 10085 RIPE Region origin ASes present in the Internet Routing Table: 3687 RIPE Region origin ASes announcing only one prefix: 1982 RIPE Region transit ASes present in the Internet Routing Table: 679 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 107780960 Equivalent to 6 /8s, 108 /16s and 155 /24s Percentage of available RIPE address space announced: 71.4 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 1289 1213 952 Telstra Pty Ltd 4538 462 1194 17 China Education and Research 703 409 335 319 UUNET Technologies, Inc. 2907 405 1894 370 SINET Japan 2764 384 361 360 connect.com.au pty ltd 9394 317 113 4 CHINA RAILWAY Internet(CRNET) 7474 302 289 206 Optus Communications Pty Ltd 4755 293 113 85 Videsh Sanchar Nigam Ltd. Aut 9443 276 44 64 Primus Telecommunications 4134 272 1962 95 Data Communications Bureau 17557 246 16 94 Pakistan Telecom 4766 206 1516 146 Korea Internet Exchange for " 7539 166 239 160 TANet2, sponsored by NSC, TAI 4804 165 84 68 Microplex PTY LTD 9583 148 32 5 Satyam Infoway Ltd., 9768 138 385 82 Korea Telecom 7657 122 22 85 The Internet Group Limited 4713 120 891 104 NTT Communications Corporatio 17676 119 1904 12 XTAGE CORPORATION 4780 118 186 40 Digital United Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1032 2608 848 UUNET Technologies, Inc. 3301 394 924 349 TeliaNet Sweden 3215 265 586 158 France Telecom / &Equant 5515 262 696 168 Sonera Finland Autonomous Sys 680 232 2149 231 DFN-IP service G-WiN 1257 222 464 218 SWIPnet Swedish IP Network 5400 198 83 93 Concert European Core Network 3320 197 1964 172 Deutsche Telekom AG 786 182 1874 182 The JANET IP Service 719 163 289 118 LANLINK autonomous system 8708 157 23 145 Romania Data Systems S.A. 2856 129 788 118 BTnet UK Regional network 3303 125 581 124 Swisscom Ltd 12302 125 8 46 MobiFon S.A. 8297 120 53 67 Teleglobe Autonomous System i 3269 117 694 71 TELECOM ITALIA 517 103 226 99 KPNQwest Germany GmbH 9051 101 6 25 INCONET Autonomous System 5511 100 193 89 France Telecom 2874 97 100 37 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2106 8368 1495 UUNET Technologies, Inc. 7018 1229 7529 914 AT&T 3908 848 1675 477 Supernet, Inc. 1 810 8123 605 BBN Planet 1239 809 3368 634 Sprint 852 672 5204 411 Telus Advanced Communications 4323 624 436 253 Time Warner Communications, I 7046 605 834 393 UUNET Technologies, Inc. 209 555 1992 319 Qwest 7132 518 545 158 Southwestern Bell Internet Se 3549 502 845 257 Global Crossing 690 462 69 305 Merit Network 2914 414 2169 410 Verio, Inc. 7843 398 314 49 Adelphia Corp. 705 378 116 270 UUNET Technologies, Inc. 2149 377 209 314 Performance Systems, Inc. 3741 343 731 233 The Internet Solution 6197 330 217 171 BellSouth Network Solutions, 3561 318 2151 285 Cable & Wireless USA 7066 318 203 251 Virginia Polytechnic Institut Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 462 445 China Education and Research 3908 848 371 Supernet, Inc. 4323 624 371 Time Warner Communications, I 7132 518 360 Southwestern Bell Internet Se 7843 398 349 Adelphia Corp. 1221 1289 337 Telstra Pty Ltd 7018 1229 315 AT&T 9394 317 313 CHINA RAILWAY Internet(CRNET) 4151 307 291 USDA 6198 310 279 BellSouth Network Solutions, 11371 277 271 Rhythms NetConnections 852 672 261 Telus Advanced Communications 3549 502 245 Global Crossing 6347 316 238 SAVVIS Communications Corpora 209 555 236 Qwest 7029 244 229 Alltel Information Services, 7046 605 212 UUNET Technologies, Inc. 9443 276 212 Primus Telecommunications 4755 293 208 Videsh Sanchar Nigam Ltd. Aut 1 810 205 BBN Planet List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 112 UNALLOCATED 192.175.48.0/24 3557 Vixie Enterprises 65535 PRIVATE 198.93.230.0/24 3550 Ateneo de Manila Uni 65535 PRIVATE 198.93.231.0/24 3550 Ateneo de Manila Uni 65535 PRIVATE 198.94.168.0/24 3550 Ateneo de Manila Uni 65535 PRIVATE 198.94.169.0/24 3550 Ateneo de Manila Uni 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 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 /14:229 /15:404 /16:7180 /17:1388 /18:2555 /19:7416 /20:6925 /21:4923 /22:7528 /23:9145 /24:61142 /25:219 /26:259 /27:115 /28:92 /29:102 /30:132 /31:0 /32:33 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1373 2106 UUNET Technologies, Inc. 1221 1147 1289 Telstra Pty Ltd 702 654 1032 UUNET Technologies, Inc. 7018 643 1229 AT&T 3908 580 848 Supernet, Inc. 4323 495 624 Time Warner Communications, I 1239 467 809 Sprint 690 457 462 Merit Network 852 424 672 Telus Advanced Communications 7046 420 605 UUNET Technologies, Inc. 1 403 810 BBN Planet 209 365 555 Qwest 3549 363 502 Global Crossing 2764 340 384 connect.com.au pty ltd 703 330 409 UUNET Technologies, Inc. 705 325 378 UUNET Technologies, Inc. 9394 303 317 CHINA RAILWAY Internet(CRNET) 7066 289 318 Virginia Polytechnic Institut 2149 286 377 Performance Systems, Inc. 6197 279 330 BellSouth Network Solutions, Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 9:1 12:478 13:10 15:2 17:5 20:2 24:741 25:1 32:68 38:9 40:6 44:1 57:14 61:302 62:166 63:1894 64:1180 65:1095 66:812 67:53 68:3 80:221 81:6 128:64 129:126 130:23 131:57 132:10 133:3 134:128 135:10 136:283 137:102 138:149 139:49 140:187 141:90 142:84 143:38 144:145 145:11 146:220 147:147 148:135 149:92 150:39 151:50 152:326 153:33 154:5 155:90 156:75 157:118 158:72 159:125 160:26 161:54 162:139 163:104 164:121 165:123 166:221 167:193 168:90 169:51 170:292 171:2 192:5441 193:2221 194:2102 195:793 196:428 198:3732 199:3199 200:2375 201:1 202:3088 203:4559 204:3275 205:2147 206:2496 207:2606 208:2573 209:2781 210:581 211:204 212:857 213:594 214:9 215:19 216:3016 217:459 218:13 End of report