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 15 Mar, 2002 Analysis Summary ---------------- BGP routing table entries examined: 109867 Prefixes after maximum aggregation: 72311 Unique aggregates announced to Internet: 52933 Total ASes present in the Internet Routing Table: 12759 Origin-only ASes present in the Internet Routing Table: 11041 Origin ASes announcing only one prefix: 4833 Transit ASes present in the Internet Routing Table: 1718 Transit-only ASes present in the Internet Routing Table: 59 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: 57 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: 1166095016 Equivalent to 69 /8s, 129 /16s and 50 /24s Percentage of available address space announced: 31.5 Percentage of allocated address space announced: 59.5 Percentage of available address space allocated: 52.8 Total number of prefixes smaller than registry allocations: 73540 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 17982 Total APNIC prefixes after maximum aggregation: 10697 Prefixes being announced from the APNIC address blocks: 16503 Unique aggregates announced from the APNIC address blocks: 10010 APNIC Region origin ASes present in the Internet Routing Table: 1461 APNIC Region origin ASes announcing only one prefix: 481 APNIC Region transit ASes present in the Internet Routing Table: 258 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 81733696 Equivalent to 4 /8s, 223 /16s and 40 /24s Percentage of available APNIC address space announced: 60.4 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: 73466 Total ARIN prefixes after maximum aggregation: 47467 Prefixes being announced from the ARIN address blocks: 51950 Unique aggregates announced from the ARIN address blocks: 17120 ARIN Region origin ASes present in the Internet Routing Table: 7558 ARIN Region origin ASes announcing only one prefix: 2364 ARIN Region transit ASes present in the Internet Routing Table: 778 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 187781316 Equivalent to 11 /8s, 49 /16s and 80 /24s Percentage of available ARIN address space announced: 70.0 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: 18363 Total RIPE prefixes after maximum aggregation: 14147 Prefixes being announced from the RIPE address blocks: 15145 Unique aggregates announced from the RIPE address blocks: 10078 RIPE Region origin ASes present in the Internet Routing Table: 3681 RIPE Region origin ASes announcing only one prefix: 1988 RIPE Region transit ASes present in the Internet Routing Table: 671 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 107554592 Equivalent to 6 /8s, 105 /16s and 39 /24s Percentage of available RIPE address space announced: 71.2 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 1288 1228 950 Telstra Pty Ltd 4538 463 1162 16 China Education and Research 703 409 334 318 UUNET Technologies, Inc. 2907 405 1926 371 SINET Japan 2764 385 361 361 connect.com.au pty ltd 7474 298 289 202 Optus Communications Pty Ltd 4755 297 111 83 Videsh Sanchar Nigam Ltd. Aut 4134 274 1962 97 Data Communications Bureau 9443 274 44 63 Primus Telecommunications 9394 254 113 4 CHINA RAILWAY Internet(CRNET) 17557 236 15 99 Pakistan Telecom 4766 212 1520 148 Korea Internet Exchange for " 4804 165 84 68 Microplex PTY LTD 7539 164 253 161 TANet2, sponsored by NSC, TAI 9583 149 32 5 Satyam Infoway Ltd., 9768 137 385 82 Korea Telecom 4713 127 906 104 NTT Communications Corporatio 7657 123 22 86 The Internet Group Limited 4780 118 186 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 1034 2611 844 UUNET Technologies, Inc. 3301 394 924 349 TeliaNet Sweden 3215 261 570 157 France Telecom / &Equant 1257 236 486 232 SWIPnet Swedish IP Network 680 231 2147 230 DFN-IP service G-WiN 5515 216 697 171 Sonera Finland Autonomous Sys 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 130 788 119 BTnet UK Regional network 3303 124 579 124 Swisscom Ltd 12302 123 8 44 MobiFon S.A. 8297 118 37 66 Teleglobe Autonomous System i 3269 116 693 70 TELECOM ITALIA 517 102 227 100 KPNQwest Germany GmbH 9051 101 6 25 INCONET Autonomous System 2874 97 100 37 Global One Services AB 5511 92 192 80 France Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2138 8355 1506 UUNET Technologies, Inc. 7018 1214 7510 908 AT&T 3908 846 1675 481 Supernet, Inc. 1 836 8123 610 BBN Planet 1239 796 3366 625 Sprint 4323 640 436 253 Time Warner Communications, I 852 628 1128 413 Telus Advanced Communications 7046 618 835 403 UUNET Technologies, Inc. 209 556 1993 322 Qwest 7132 518 545 158 Southwestern Bell Internet Se 3549 485 843 243 Global Crossing 690 436 67 282 Merit Network 2914 421 2177 418 Verio, Inc. 7843 385 313 50 Adelphia Corp. 705 381 116 273 UUNET Technologies, Inc. 2149 370 224 309 Performance Systems, Inc. 3741 345 731 235 The Internet Solution 2386 331 371 189 AT&T Data Communications Serv 6197 326 215 168 BellSouth Network Solutions, 3561 321 2183 287 Cable & Wireless USA Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 463 447 China Education and Research 4323 640 387 Time Warner Communications, I 3908 846 365 Supernet, Inc. 7132 518 360 Southwestern Bell Internet Se 1221 1288 338 Telstra Pty Ltd 7843 385 335 Adelphia Corp. 7018 1214 306 AT&T 4151 305 289 USDA 6198 309 276 BellSouth Network Solutions, 11371 280 274 Rhythms NetConnections 9394 254 250 CHINA RAILWAY Internet(CRNET) 3549 485 242 Global Crossing 6347 318 237 SAVVIS Communications Corpora 209 556 234 Qwest 7029 245 230 Alltel Information Services, 1 836 226 BBN Planet 852 628 215 Telus Advanced Communications 7046 618 215 UUNET Technologies, Inc. 4755 297 214 Videsh Sanchar Nigam Ltd. Aut 9443 274 211 Primus Telecommunications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64581 PRIVATE 192.89.47.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.89.49.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.89.158.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.89.183.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.89.190.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.89.191.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.89.192.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.89.193.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.89.194.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.130.46.0/24 5515 Sonera Finland Auton 64553 PRIVATE 192.130.156.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.194.181.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.194.236.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.194.244.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.194.245.0/24 5515 Sonera Finland Auton 64581 PRIVATE 192.194.246.0/23 5515 Sonera Finland Auton 64581 PRIVATE 192.194.248.0/23 5515 Sonera Finland Auton 64581 PRIVATE 193.208.88.0/24 5515 Sonera Finland Auton 64581 PRIVATE 193.209.70.0/24 5515 Sonera Finland Auton 64581 PRIVATE 193.209.129.0/24 5515 Sonera Finland Auton 64581 PRIVATE 193.210.27.0/24 5515 Sonera Finland Auton 64581 PRIVATE 193.210.59.0/24 5515 Sonera Finland Auton 64581 PRIVATE 193.210.120.0/23 5515 Sonera Finland Auton 64581 PRIVATE 193.210.122.0/24 5515 Sonera Finland Auton 64581 PRIVATE 193.210.123.0/24 5515 Sonera Finland Auton 64558 PRIVATE 193.211.44.0/24 5515 Sonera Finland Auton 64581 PRIVATE 193.211.61.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.89.71.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.89.164.0/22 5515 Sonera Finland Auton 64581 PRIVATE 194.89.246.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.89.248.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.89.249.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.111.64.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.111.65.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.111.66.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.111.67.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.111.68.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.111.69.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.111.70.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.111.71.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.137.62.0/24 5515 Sonera Finland Auton 64558 PRIVATE 194.137.237.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.142.170.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.104.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.157.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.158.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.159.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.160.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.178.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.250.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.251.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.197.252.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.252.103.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.252.104.0/24 5515 Sonera Finland Auton 64581 PRIVATE 194.252.202.0/23 5515 Sonera Finland Auton 64581 PRIVATE 195.156.255.0/24 5515 Sonera Finland Auton 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 /14:230 /15:405 /16:7189 /17:1388 /18:2552 /19:7419 /20:6909 /21:4909 /22:7522 /23:9180 /24:61077 /25:224 /26:239 /27:105 /28:90 /29:92 /30:130 /31:0 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1383 2138 UUNET Technologies, Inc. 1221 1145 1288 Telstra Pty Ltd 702 658 1034 UUNET Technologies, Inc. 7018 634 1214 AT&T 3908 579 846 Supernet, Inc. 4323 510 640 Time Warner Communications, I 1239 455 796 Sprint 7046 435 618 UUNET Technologies, Inc. 1 433 836 BBN Planet 690 432 436 Merit Network 852 382 628 Telus Advanced Communications 209 369 556 Qwest 3549 348 485 Global Crossing 2764 341 385 connect.com.au pty ltd 703 330 409 UUNET Technologies, Inc. 705 329 381 UUNET Technologies, Inc. 2149 278 370 Performance Systems, Inc. 6197 275 326 BellSouth Network Solutions, 11371 274 280 Rhythms NetConnections 7066 272 301 Virginia Polytechnic Institut Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 9:1 12:482 13:10 15:1 17:5 20:2 24:760 25:1 32:68 38:9 40:6 44:1 57:14 61:277 62:170 63:1890 64:1167 65:1076 66:813 67:53 68:4 80:209 81:7 128:64 129:121 130:23 131:56 132:11 133:3 134:126 135:9 136:250 137:102 138:147 139:48 140:188 141:64 142:83 143:37 144:143 145:11 146:218 147:157 148:133 149:92 150:41 151:50 152:342 153:33 154:8 155:89 156:76 157:116 158:73 159:125 160:24 161:55 162:140 163:107 164:98 165:123 166:224 167:188 168:95 169:50 170:290 171:2 189:1 192:5434 193:2234 194:2117 195:799 196:428 198:3708 199:3224 200:2368 201:1 202:3051 203:4559 204:3304 205:2147 206:2505 207:2638 208:2562 209:2796 210:558 211:201 212:869 213:590 214:9 215:18 216:3012 217:461 218:21 End of report