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 17 May, 2002 Analysis Summary ---------------- BGP routing table entries examined: 112248 Prefixes after maximum aggregation: 73217 Unique aggregates announced to Internet: 52555 Total ASes present in the Internet Routing Table: 13075 Origin-only ASes present in the Internet Routing Table: 11335 Origin ASes announcing only one prefix: 4978 Transit ASes present in the Internet Routing Table: 1740 Transit-only ASes present in the Internet Routing Table: 49 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: 11 Non-routable prefixes present in the Routing Table: 1 Prefixes being announced from the IANA Reserved Address blocks: 40 Number of addresses announced to Internet: 1179664060 Equivalent to 70 /8s, 80 /16s and 62 /24s Percentage of available address space announced: 31.8 Percentage of allocated address space announced: 59.3 Percentage of available address space allocated: 53.7 Total number of prefixes smaller than registry allocations: 45313 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18016 Total APNIC prefixes after maximum aggregation: 10886 Prefixes being announced from the APNIC address blocks: 16528 Unique aggregates announced from the APNIC address blocks: 10235 APNIC Region origin ASes present in the Internet Routing Table: 1510 APNIC Region origin ASes announcing only one prefix: 497 APNIC Region transit ASes present in the Internet Routing Table: 270 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 84693696 Equivalent to 5 /8s, 12 /16s and 82 /24s Percentage of available APNIC address space announced: 62.6 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: 75420 Total ARIN prefixes after maximum aggregation: 47997 Prefixes being announced from the ARIN address blocks: 53719 Unique aggregates announced from the ARIN address blocks: 16805 ARIN Region origin ASes present in the Internet Routing Table: 7725 ARIN Region origin ASes announcing only one prefix: 2446 ARIN Region transit ASes present in the Internet Routing Table: 754 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 192265156 Equivalent to 11 /8s, 117 /16s and 187 /24s Percentage of available ARIN address space announced: 71.6 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 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: 14334 Prefixes being announced from the RIPE address blocks: 15512 Unique aggregates announced from the RIPE address blocks: 9747 RIPE Region origin ASes present in the Internet Routing Table: 3791 RIPE Region origin ASes announcing only one prefix: 2035 RIPE Region transit ASes present in the Internet Routing Table: 699 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 114854192 Equivalent to 6 /8s, 216 /16s and 137 /24s Percentage of available RIPE address space announced: 76.1 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 1270 1223 914 Telstra Pty Ltd 4538 478 1194 17 China Education and Research 2907 432 1910 373 SINET Japan 703 403 337 324 UUNET Technologies, Inc. 2764 396 360 363 connect.com.au pty ltd 7474 308 291 206 Optus Communications Pty Ltd 4134 281 2068 95 Data Communications Bureau 17557 270 18 108 Pakistan Telecom 4755 265 109 75 Videsh Sanchar Nigam Ltd. Aut 9443 253 44 59 Primus Telecommunications 4766 224 1518 156 Korea Internet Exchange for " 9583 177 32 5 Satyam Infoway Ltd., 7539 152 218 146 TANet2, sponsored by NSC, TAI 9768 146 386 80 Korea Telecom 7657 131 22 87 The Internet Group Limited 4814 127 66 13 China Telecom (Group) - Beiji 17676 125 1954 10 XTAGE CORPORATION 4780 118 186 39 Digital United Inc. 4713 114 993 105 NTT Communications Corporatio 9800 114 186 22 CHINA UNICOM RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1035 2607 853 UUNET Technologies, Inc. 3301 394 908 346 TeliaNet Sweden 5515 268 776 176 Sonera Finland Autonomous Sys 3215 264 597 164 France Telecom / &Equant 680 231 2149 230 DFN-IP service G-WiN 3320 231 1947 178 Deutsche Telekom AG 1257 208 430 205 SWIPnet Swedish IP Network 5400 200 83 95 Concert European Core Network 786 182 1874 182 The JANET IP Service 719 168 289 120 LANLINK autonomous system 8708 141 22 136 Romania Data Systems S.A. 12302 131 9 49 MobiFon S.A. 2856 126 786 116 BTnet UK Regional network 3303 117 546 115 Swisscom Ltd 8297 116 4137 62 Teleglobe Autonomous System i 3269 115 694 71 TELECOM ITALIA 5511 111 191 92 France Telecom 517 101 226 97 KPNQwest Germany GmbH 2830 100 244 76 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 2089 8380 1458 UUNET Technologies, Inc. 7018 1293 7558 936 AT&T 3908 883 1644 486 Supernet, Inc. 1239 828 3412 669 Sprint 1 813 8185 459 BBN Planet 7046 690 872 476 UUNET Technologies, Inc. 852 664 1132 422 Telus Advanced Communications 4323 632 436 257 Time Warner Communications, I 209 583 1967 325 Qwest 7132 568 606 136 Southwestern Bell Internet Se 690 564 82 366 Merit Network 3549 515 854 320 Global Crossing 7843 503 364 57 Adelphia Corp. 7066 473 202 248 Virginia Polytechnic Institut 2914 399 2110 390 Verio, Inc. 705 373 100 265 UUNET Technologies, Inc. 3741 344 731 236 The Internet Solution 4293 342 84 265 Cable & Wireless USA 2149 341 191 283 Performance Systems, Inc. 6197 341 260 164 BellSouth Network Solutions, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 478 461 China Education and Research 7843 503 446 Adelphia Corp. 7132 568 432 Southwestern Bell Internet Se 3908 883 397 Supernet, Inc. 4323 632 375 Time Warner Communications, I 7018 1293 357 AT&T 1221 1270 356 Telstra Pty Ltd 1 813 354 BBN Planet 11371 292 286 Rhythms NetConnections 4151 300 284 USDA 209 583 258 Qwest 6347 337 258 SAVVIS Communications Corpora 7029 261 246 Alltel Information Services, 852 664 242 Telus Advanced Communications 4355 276 238 EarthLink, Inc. 7066 473 225 Virginia Polytechnic Institut 7046 690 214 UUNET Technologies, Inc. 6198 313 209 BellSouth Network Solutions, 6517 240 206 Yipes Communications, Inc. 18566 209 205 Covad Communications List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 18189 UNALLOCATED 202.59.196.0/24 703 UUNET Technologies, 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 25810 UNALLOCATED 209.242.165.32/27 195 San Diego Supercompu 25810 UNALLOCATED 209.242.165.128/25 195 San Diego Supercompu 25810 UNALLOCATED 209.242.166.0/26 195 San Diego Supercompu 25810 UNALLOCATED 209.242.166.72/29 195 San Diego Supercompu 25810 UNALLOCATED 209.242.166.80/28 195 San Diego Supercompu 25810 UNALLOCATED 209.242.166.96/29 195 San Diego Supercompu 25810 UNALLOCATED 209.242.166.112/28 195 San Diego Supercompu 25810 UNALLOCATED 209.242.166.128/29 195 San Diego Supercompu 25810 UNALLOCATED 209.242.166.160/27 195 San Diego Supercompu Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.0.2.0/24 1103 SURFnet BV 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. 192.83.14.0/24 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 /9:6 /10:7 /11:13 /12:32 /13:85 /14:232 /15:407 /16:7200 /17:1442 /18:2569 /19:7517 /20:7112 /21:5054 /22:7740 /23:9388 /24:62606 /25:215 /26:188 /27:89 /28:98 /29:46 /30:113 /31:0 /32:69 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 658 2089 UUNET Technologies, Inc. 702 643 1035 UUNET Technologies, Inc. 3908 472 883 Supernet, Inc. 690 455 564 Merit Network 7066 378 473 Virginia Polytechnic Institut 7018 336 1293 AT&T 7046 321 690 UUNET Technologies, Inc. 7843 293 503 Adelphia Corp. 209 267 583 Qwest 1 251 813 BBN Planet 7029 246 261 Alltel Information Services, 6197 245 341 BellSouth Network Solutions, 11371 245 292 Rhythms NetConnections 3301 237 394 TeliaNet Sweden 6198 231 313 BellSouth Network Solutions, 4293 220 342 Cable & Wireless USA 6517 218 240 Yipes Communications, Inc. 3549 216 515 Global Crossing 1239 215 828 Sprint 18566 205 209 Covad Communications Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 9:1 12:508 13:10 15:2 17:7 20:2 24:768 25:1 32:40 38:8 40:6 44:1 57:13 61:219 62:202 63:1973 64:1197 65:1388 66:916 67:77 68:12 80:231 81:27 128:59 129:133 130:23 131:47 132:13 133:3 134:120 135:9 136:254 137:93 138:150 139:56 140:181 141:120 142:78 143:38 144:148 145:11 146:178 147:134 148:168 149:94 150:40 151:60 152:269 153:33 154:3 155:99 156:74 157:127 158:69 159:127 160:18 161:64 162:147 163:101 164:271 165:141 166:229 167:171 168:124 169:57 170:338 171:2 192:5441 193:2305 194:2108 195:797 196:410 198:3694 199:3243 200:2517 202:3135 203:4559 204:3270 205:2178 206:2618 207:2668 208:2817 209:2719 210:593 211:223 212:879 213:622 214:9 215:18 216:3023 217:457 218:17 End of report
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Routing Table Analysis