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 10 May, 2002 Analysis Summary ---------------- BGP routing table entries examined: 111959 Prefixes after maximum aggregation: 73020 Unique aggregates announced to Internet: 53160 Total ASes present in the Internet Routing Table: 13046 Origin-only ASes present in the Internet Routing Table: 11316 Origin ASes announcing only one prefix: 4953 Transit ASes present in the Internet Routing Table: 1730 Transit-only ASes present in the Internet Routing Table: 48 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 17 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: 43 Number of addresses announced to Internet: 1189483964 Equivalent to 70 /8s, 230 /16s and 21 /24s Percentage of available address space announced: 32.1 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 53.7 Total number of prefixes smaller than registry allocations: 45114 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18181 Total APNIC prefixes after maximum aggregation: 10943 Prefixes being announced from the APNIC address blocks: 16673 Unique aggregates announced from the APNIC address blocks: 10306 APNIC Region origin ASes present in the Internet Routing Table: 1503 APNIC Region origin ASes announcing only one prefix: 489 APNIC Region transit ASes present in the Internet Routing Table: 268 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 84549184 Equivalent to 5 /8s, 10 /16s and 30 /24s Percentage of available APNIC address space announced: 62.5 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: 74966 Total ARIN prefixes after maximum aggregation: 47733 Prefixes being announced from the ARIN address blocks: 53166 Unique aggregates announced from the ARIN address blocks: 16720 ARIN Region origin ASes present in the Internet Routing Table: 7708 ARIN Region origin ASes announcing only one prefix: 2427 ARIN Region transit ASes present in the Internet Routing Table: 753 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 191671748 Equivalent to 11 /8s, 108 /16s and 173 /24s Percentage of available ARIN address space announced: 71.4 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 25600 - 26623 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: 18812 Total RIPE prefixes after maximum aggregation: 14344 Prefixes being announced from the RIPE address blocks: 15478 Unique aggregates announced from the RIPE address blocks: 10333 RIPE Region origin ASes present in the Internet Routing Table: 3787 RIPE Region origin ASes announcing only one prefix: 2037 RIPE Region transit ASes present in the Internet Routing Table: 694 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 108967600 Equivalent to 6 /8s, 126 /16s and 182 /24s Percentage of available RIPE address space announced: 72.2 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 1271 1210 937 Telstra Pty Ltd 4538 477 1194 17 China Education and Research 2907 433 1877 370 SINET Japan 703 408 337 327 UUNET Technologies, Inc. 2764 396 360 363 connect.com.au pty ltd 7474 305 291 207 Optus Communications Pty Ltd 4134 281 2068 95 Data Communications Bureau 9443 275 44 63 Primus Telecommunications 17557 275 19 111 Pakistan Telecom 4755 265 109 75 Videsh Sanchar Nigam Ltd. Aut 4766 222 1518 158 Korea Internet Exchange for " 4804 167 92 66 Microplex PTY LTD 9583 167 32 5 Satyam Infoway Ltd., 7539 157 235 151 TANet2, sponsored by NSC, TAI 9768 146 386 80 Korea Telecom 7657 129 22 89 The Internet Group Limited 17676 123 1953 10 XTAGE CORPORATION 4713 115 993 106 NTT Communications Corporatio 4814 114 64 6 China Telecom (Group) - Beiji 9800 114 186 22 CHINA UNICOM RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1040 2615 854 UUNET Technologies, Inc. 3301 393 908 345 TeliaNet Sweden 5515 276 761 173 Sonera Finland Autonomous Sys 3215 264 597 164 France Telecom / &Equant 680 231 2149 230 DFN-IP service G-WiN 3320 230 1947 177 Deutsche Telekom AG 1257 209 462 206 SWIPnet Swedish IP Network 5400 199 83 94 Concert European Core Network 786 182 1874 182 The JANET IP Service 719 165 289 119 LANLINK autonomous system 8708 141 22 136 Romania Data Systems S.A. 12302 130 9 49 MobiFon S.A. 2856 126 786 116 BTnet UK Regional network 8297 125 54 69 Teleglobe Autonomous System i 3303 115 546 114 Swisscom Ltd 3269 114 694 71 TELECOM ITALIA 5511 103 191 91 France Telecom 517 101 226 97 KPNQwest Germany GmbH 2830 98 227 74 UUNET Dual-Homed customers 2874 97 84 37 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2077 8381 1467 UUNET Technologies, Inc. 7018 1294 7557 942 AT&T 3908 865 1642 485 Supernet, Inc. 1239 852 3396 675 Sprint 1 809 8170 453 BBN Planet 7046 733 875 508 UUNET Technologies, Inc. 852 662 1148 422 Telus Advanced Communications 4323 632 436 256 Time Warner Communications, I 209 581 1935 321 Qwest 7132 570 605 138 Southwestern Bell Internet Se 690 539 75 348 Merit Network 3549 517 856 322 Global Crossing 7843 475 355 51 Adelphia Corp. 7066 473 202 248 Virginia Polytechnic Institut 2914 410 2143 397 Verio, Inc. 705 373 100 265 UUNET Technologies, Inc. 3741 344 731 236 The Internet Solution 2149 343 191 285 Performance Systems, Inc. 6197 340 245 164 BellSouth Network Solutions, 6347 338 370 80 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 477 460 China Education and Research 7132 570 432 Southwestern Bell Internet Se 7843 475 424 Adelphia Corp. 3908 865 380 Supernet, Inc. 4323 632 376 Time Warner Communications, I 1 809 356 BBN Planet 7018 1294 352 AT&T 1221 1271 334 Telstra Pty Ltd 11371 292 286 Rhythms NetConnections 4151 301 285 USDA 209 581 260 Qwest 6347 338 258 SAVVIS Communications Corpora 7029 260 245 Alltel Information Services, 852 662 240 Telus Advanced Communications 4355 270 232 EarthLink, Inc. 7046 733 225 UUNET Technologies, Inc. 7066 473 225 Virginia Polytechnic Institut 9443 275 212 Primus Telecommunications 6517 245 211 Yipes Communications, Inc. 1580 214 201 HQ, 5th Signal Command List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 112 UNALLOCATED 192.175.48.0/24 7500 A Root DNS Server in 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 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 153.147.0.0/16 3561 Cable & Wireless USA 154.150.0.0/16 6494 IDCI 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.31.126.0/23 1103 SURFnet BV 192.31.128.0/21 1103 SURFnet BV 192.44.0.0/19 702 UUNET Technologies, Inc. 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.83.1.0/24 5515 Sonera Finland Autonomous Sys 192.83.2.0/24 5515 Sonera Finland Autonomous Sys 192.83.8.0/21 5515 Sonera Finland Autonomous Sys 192.83.14.0/24 5515 Sonera Finland Autonomous Sys 192.83.16.0/20 5515 Sonera Finland Autonomous Sys 192.83.25.0/24 5515 Sonera Finland Autonomous Sys 192.83.32.0/19 5515 Sonera Finland Autonomous Sys 192.83.96.0/22 5515 Sonera Finland Autonomous Sys 192.83.100.0/24 5515 Sonera Finland Autonomous Sys 192.91.198.0/24 2568 CTS Network Services 192.92.167.0/24 297 NASA Science Network 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 192.135.248.0/23 109 Cisco Systems, Inc. 192.136.79.0/24 719 LANLINK autonomous system 192.136.86.0/24 719 LANLINK autonomous system 192.136.87.0/24 719 LANLINK autonomous system 192.136.88.0/24 719 LANLINK autonomous system 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.152.213.0/24 1239 Sprint 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.172.0.0/19 568 DISO-UNRRA 192.195.253.0/24 237 Merit Network 192.208.29.0/24 3908 Supernet, Inc. 192.208.30.0/23 3908 Supernet, Inc. 192.243.36.0/23 7168 Northwest Link Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:7 /10:7 /11:13 /12:32 /13:85 /14:231 /15:404 /16:7185 /17:1433 /18:2568 /19:7497 /20:7067 /21:5038 /22:7728 /23:9378 /24:62499 /25:218 /26:190 /27:80 /28:90 /29:50 /30:96 /31:0 /32:43 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 702 648 1040 UUNET Technologies, Inc. 701 640 2077 UUNET Technologies, Inc. 3908 454 865 Supernet, Inc. 690 447 539 Merit Network 7066 381 473 Virginia Polytechnic Institut 7046 359 733 UUNET Technologies, Inc. 7018 339 1294 AT&T 7843 279 475 Adelphia Corp. 209 269 581 Qwest 7029 245 260 Alltel Information Services, 11371 245 292 Rhythms NetConnections 6197 244 340 BellSouth Network Solutions, 1 243 809 BBN Planet 1239 240 852 Sprint 3301 236 393 TeliaNet Sweden 6198 230 312 BellSouth Network Solutions, 6517 223 245 Yipes Communications, Inc. 3549 216 517 Global Crossing 1580 202 214 HQ, 5th Signal Command 3215 199 264 France Telecom / &Equant Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:502 13:10 15:2 17:7 20:2 24:768 25:1 32:67 38:8 40:6 44:1 57:13 61:200 62:198 63:2010 64:1218 65:1324 66:924 67:70 68:10 80:242 81:21 128:59 129:138 130:23 131:48 132:13 133:3 134:120 135:9 136:317 137:93 138:150 139:53 140:183 141:120 142:82 143:38 144:148 145:12 146:177 147:135 148:166 149:93 150:41 151:60 152:288 153:33 154:3 155:99 156:74 157:125 158:69 159:130 160:18 161:64 162:149 163:102 164:272 165:127 166:228 167:170 168:124 169:55 170:306 171:2 192:5466 193:2329 194:2109 195:805 196:409 198:3752 199:3215 200:2463 202:3157 203:4552 204:3264 205:2164 206:2570 207:2664 208:2626 209:2713 210:682 211:238 212:867 213:613 214:9 215:18 216:3014 217:453 218:20 End of report