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 14 Jun, 2002 Analysis Summary ---------------- BGP routing table entries examined: 116633 Prefixes after maximum aggregation: 75593 Unique aggregates announced to Internet: 52672 Total ASes present in the Internet Routing Table: 13222 Origin-only ASes present in the Internet Routing Table: 11458 Origin ASes announcing only one prefix: 5048 Transit ASes present in the Internet Routing Table: 1764 Transit-only ASes present in the Internet Routing Table: 52 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: 26 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 36 Number of addresses announced to Internet: 1196237788 Equivalent to 71 /8s, 77 /16s and 35 /24s Percentage of available address space announced: 32.3 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 53.7 Total number of prefixes smaller than registry allocations: 49179 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18425 Total APNIC prefixes after maximum aggregation: 11036 Prefixes being announced from the APNIC address blocks: 16897 Unique aggregates announced from the APNIC address blocks: 9854 APNIC Region origin ASes present in the Internet Routing Table: 1536 APNIC Region origin ASes announcing only one prefix: 504 APNIC Region transit ASes present in the Internet Routing Table: 276 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 89807456 Equivalent to 5 /8s, 90 /16s and 90 /24s Percentage of available APNIC address space announced: 66.4 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: 79070 Total ARIN prefixes after maximum aggregation: 50068 Prefixes being announced from the ARIN address blocks: 54241 Unique aggregates announced from the ARIN address blocks: 16714 ARIN Region origin ASes present in the Internet Routing Table: 7799 ARIN Region origin ASes announcing only one prefix: 2490 ARIN Region transit ASes present in the Internet Routing Table: 766 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 193366356 Equivalent to 11 /8s, 134 /16s and 137 /24s Percentage of available ARIN address space announced: 72.0 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 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: 19138 Total RIPE prefixes after maximum aggregation: 14489 Prefixes being announced from the RIPE address blocks: 15831 Unique aggregates announced from the RIPE address blocks: 10548 RIPE Region origin ASes present in the Internet Routing Table: 3835 RIPE Region origin ASes announcing only one prefix: 2054 RIPE Region transit ASes present in the Internet Routing Table: 707 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 110449440 Equivalent to 6 /8s, 149 /16s and 83 /24s Percentage of available RIPE address space announced: 73.1 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 1261 1222 907 Telstra Pty Ltd 4538 461 1130 16 China Education and Research 703 412 350 330 UUNET Technologies, Inc. 2907 378 1827 351 SINET Japan 2764 376 359 343 connect.com.au pty ltd 7474 311 291 207 Optus Communications Pty Ltd 17557 303 20 115 Pakistan Telecom 4134 290 2132 102 Data Communications Bureau 4755 287 115 77 Videsh Sanchar Nigam Ltd. Aut 9443 250 45 65 Primus Telecommunications 4766 225 1516 156 Korea Internet Exchange for " 4814 197 79 14 China Telecom (Group) - Beiji 4713 183 1009 106 NTT Communications Corporatio 9583 173 32 5 Satyam Infoway Ltd., 7539 154 203 149 TANet2, sponsored by NSC, TAI 17676 147 2274 22 XTAGE CORPORATION 9768 146 386 75 Korea Telecom 7657 138 22 86 The Internet Group Limited 9800 115 187 23 CHINA UNICOM 4780 112 186 39 Digital United Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1023 2619 847 UUNET Technologies, Inc. 3301 393 908 344 TeliaNet Sweden 3352 281 537 27 Ibernet, Internet Access Netw 3215 264 598 163 France Telecom / &Equant 680 233 2149 230 DFN-IP service G-WiN 3320 231 1946 184 Deutsche Telekom AG 5515 206 783 172 Sonera Finland Autonomous Sys 1257 203 430 200 SWIPnet Swedish IP Network 5400 203 83 94 Concert European Core Network 719 191 306 129 LANLINK autonomous system 786 179 1873 178 The JANET IP Service 8708 140 23 137 Romania Data Systems S.A. 2856 125 789 115 BTnet UK Regional network 12302 122 10 29 MobiFon S.A. 3303 121 546 120 Swisscom Ltd 3269 113 692 70 TELECOM ITALIA 8297 112 57 65 Teleglobe Autonomous System i 3246 107 284 101 Song Networks / Clinet 3233 102 6 56 RNC - Romanian Natioanal R&D 2874 98 85 38 Global One Services AB ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2149 3127 366 2551 Performance Systems, Inc. 701 2005 9005 1410 UUNET Technologies, Inc. 7018 1287 7437 934 AT&T 3908 898 1642 493 Supernet, Inc. 1239 809 3406 645 Sprint 705 801 176 275 UUNET Technologies, Inc. 852 780 1191 447 Telus Advanced Communications 1 700 8148 449 GENUITY 4323 629 436 257 Time Warner Communications, I 209 606 1972 338 Qwest 7046 603 851 399 UUNET Technologies, Inc. 690 586 81 374 Merit Network 7132 574 611 133 Southwestern Bell Internet Se 7843 526 369 76 Adelphia Corp. 3549 484 857 323 Global Crossing 7066 475 202 248 Virginia Polytechnic Institut 2914 395 2108 386 Verio, Inc. 15290 386 299 200 AT&T Canada IES 6197 346 246 170 BellSouth Network Solutions, 6347 337 370 78 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 701 2005 595 UUNET Technologies, Inc. 705 801 526 UUNET Technologies, Inc. 7843 526 450 Adelphia Corp. 4538 461 445 China Education and Research 7132 574 441 Southwestern Bell Internet Se 3908 898 405 Supernet, Inc. 4323 629 372 Time Warner Communications, I 1221 1261 354 Telstra Pty Ltd 7018 1287 353 AT&T 852 780 333 Telus Advanced Communications 11371 292 286 Rhythms NetConnections 174 299 270 PSINet Inc. 4151 285 269 USDA 209 606 268 Qwest 6347 337 259 SAVVIS Communications Corpora 3352 281 254 Ibernet, Internet Access Netw 1 700 251 GENUITY 7029 263 248 Alltel Information Services, 4355 297 244 EarthLink, Inc. 7066 475 227 Virginia Polytechnic Institut List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 6262 UNALLOCATED 150.229.0.0/19 7572 Australian Academic 25975 UNALLOCATED 192.58.243.0/24 4565 Epoch Networks 25975 UNALLOCATED 192.104.242.0/24 4565 Epoch Networks 1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p 12501 UNALLOCATED 193.13.234.0/24 3301 TeliaNet Sweden 12501 UNALLOCATED 193.180.0.0/24 3301 TeliaNet Sweden 12501 UNALLOCATED 193.180.5.0/24 3301 TeliaNet Sweden 12501 UNALLOCATED 193.180.7.0/24 3301 TeliaNet Sweden 12501 UNALLOCATED 193.180.243.0/24 3301 TeliaNet Sweden 12501 UNALLOCATED 193.180.244.0/23 3301 TeliaNet Sweden 12501 UNALLOCATED 193.180.246.0/24 3301 TeliaNet Sweden 12501 UNALLOCATED 194.165.224.0/19 3301 TeliaNet Sweden 25975 UNALLOCATED 198.177.251.0/24 4565 Epoch Networks 25975 UNALLOCATED 198.177.252.0/23 4565 Epoch Networks 25975 UNALLOCATED 198.177.254.0/24 4565 Epoch Networks 18228 UNALLOCATED 202.6.160.0/20 3758 SingNet 17996 UNALLOCATED 202.162.32.0/20 17885 ISP-Project 17902 UNALLOCATED 203.109.150.0/24 4648 Netgate 25979 UNALLOCATED 205.213.213.0/24 701 UUNET Technologies, 25979 UNALLOCATED 205.213.214.0/24 701 UUNET Technologies, 25979 UNALLOCATED 205.213.215.0/24 701 UUNET Technologies, 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 12501 UNALLOCATED 212.32.128.0/18 3301 TeliaNet Sweden 12501 UNALLOCATED 212.217.128.0/17 3301 TeliaNet Sweden 12501 UNALLOCATED 213.79.128.0/17 3301 TeliaNet Sweden 25967 UNALLOCATED 216.234.80.0/20 701 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 GENUITY 154.150.0.0/16 6494 IDCI 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.26.98.0/24 1239 Sprint 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. 192.83.16.0/20 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 /8:21 /9:6 /10:7 /11:12 /12:34 /13:89 /14:233 /15:415 /16:7245 /17:1452 /18:2612 /19:7645 /20:7240 /21:5094 /22:7825 /23:9513 /24:66466 /25:199 /26:180 /27:82 /28:86 /29:51 /30:90 /31:1 /32:35 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 2149 2879 3127 Performance Systems, Inc. 702 631 1023 UUNET Technologies, Inc. 705 594 801 UUNET Technologies, Inc. 701 567 2005 UUNET Technologies, Inc. 3908 488 898 Supernet, Inc. 690 465 586 Merit Network 7066 380 475 Virginia Polytechnic Institut 7018 339 1287 AT&T 7843 318 526 Adelphia Corp. 209 275 606 Qwest 174 262 299 PSINet Inc. 7046 250 603 UUNET Technologies, Inc. 6197 249 346 BellSouth Network Solutions, 7029 248 263 Alltel Information Services, 11371 245 292 Rhythms NetConnections 3301 235 393 TeliaNet Sweden 6198 232 319 BellSouth Network Solutions, 18566 219 223 Covad Communications 6517 217 239 Yipes Communications, Inc. 1239 210 809 Sprint Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:505 13:10 15:2 17:6 20:2 24:780 25:1 32:41 38:3012 40:6 44:1 57:13 61:266 62:200 63:1923 64:1233 65:1637 66:953 67:84 68:170 80:237 81:27 128:60 129:140 130:24 131:48 132:11 133:3 134:119 135:8 136:246 137:93 138:150 139:58 140:168 141:121 142:83 143:37 144:151 145:14 146:174 147:139 148:210 149:92 150:40 151:127 152:262 153:34 154:15 155:99 156:77 157:126 158:69 159:127 160:18 161:68 162:154 163:100 164:255 165:130 166:227 167:172 168:130 169:59 170:343 171:2 192:5484 193:2365 194:2061 195:942 196:398 198:3688 199:3230 200:2572 202:3222 203:4620 204:3259 205:2177 206:2562 207:2680 208:2676 209:2696 210:587 211:223 212:917 213:641 214:9 215:19 216:3006 217:456 218:39 219:41 End of report