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 03 May, 2002 Analysis Summary ---------------- BGP routing table entries examined: 111873 Prefixes after maximum aggregation: 72897 Unique aggregates announced to Internet: 53102 Total ASes present in the Internet Routing Table: 13028 Origin-only ASes present in the Internet Routing Table: 11298 Origin ASes announcing only one prefix: 4965 Transit ASes present in the Internet Routing Table: 1730 Transit-only ASes present in the Internet Routing Table: 47 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: 4 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: 1188794684 Equivalent to 70 /8s, 219 /16s and 145 /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: 45077 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 18140 Total APNIC prefixes after maximum aggregation: 10897 Prefixes being announced from the APNIC address blocks: 16645 Unique aggregates announced from the APNIC address blocks: 10272 APNIC Region origin ASes present in the Internet Routing Table: 1503 APNIC Region origin ASes announcing only one prefix: 493 APNIC Region transit ASes present in the Internet Routing Table: 269 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 84391488 Equivalent to 5 /8s, 7 /16s and 182 /24s Percentage of available APNIC address space announced: 62.4 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: 74929 Total ARIN prefixes after maximum aggregation: 47684 Prefixes being announced from the ARIN address blocks: 53032 Unique aggregates announced from the ARIN address blocks: 16682 ARIN Region origin ASes present in the Internet Routing Table: 7694 ARIN Region origin ASes announcing only one prefix: 2430 ARIN Region transit ASes present in the Internet Routing Table: 752 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 191550660 Equivalent to 11 /8s, 106 /16s and 212 /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: 18804 Total RIPE prefixes after maximum aggregation: 14316 Prefixes being announced from the RIPE address blocks: 15483 Unique aggregates announced from the RIPE address blocks: 10336 RIPE Region origin ASes present in the Internet Routing Table: 3784 RIPE Region origin ASes announcing only one prefix: 2042 RIPE Region transit ASes present in the Internet Routing Table: 692 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 108931888 Equivalent to 6 /8s, 126 /16s and 43 /24s Percentage of available RIPE address space announced: 72.1 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 1277 1210 941 Telstra Pty Ltd 4538 477 1194 17 China Education and Research 2907 434 1878 371 SINET Japan 703 410 336 327 UUNET Technologies, Inc. 2764 397 362 364 connect.com.au pty ltd 7474 307 291 209 Optus Communications Pty Ltd 4134 280 2036 94 Data Communications Bureau 9443 274 44 63 Primus Telecommunications 17557 269 18 108 Pakistan Telecom 4755 248 109 74 Videsh Sanchar Nigam Ltd. Aut 4766 221 1518 158 Korea Internet Exchange for " 9583 169 32 5 Satyam Infoway Ltd., 4804 167 92 66 Microplex PTY LTD 7539 165 238 159 TANet2, sponsored by NSC, TAI 9768 146 386 80 Korea Telecom 7657 126 22 89 The Internet Group Limited 4814 125 64 5 China Telecom (Group) - Beiji 17676 122 1952 9 XTAGE CORPORATION 4713 115 993 106 NTT Communications Corporatio 4780 113 186 39 Digital United Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 1037 2580 851 UUNET Technologies, Inc. 3301 394 924 346 TeliaNet Sweden 5515 275 761 173 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 210 462 207 SWIPnet Swedish IP Network 5400 198 82 93 Concert European Core Network 786 182 1874 182 The JANET IP Service 8708 143 22 137 Romania Data Systems S.A. 719 136 270 96 LANLINK autonomous system 12302 130 9 49 MobiFon S.A. 2856 126 786 116 BTnet UK Regional network 8297 122 53 67 Teleglobe Autonomous System i 3303 117 546 116 Swisscom Ltd 3269 116 694 71 TELECOM ITALIA 5536 107 9 39 Internet Egypt Network 2118 106 109 20 EUnet/RELCOM Autonomous Syste 5511 106 191 93 France Telecom 517 101 226 97 KPNQwest Germany GmbH ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 2055 8409 1469 UUNET Technologies, Inc. 7018 1280 7524 935 AT&T 3908 874 1661 486 Supernet, Inc. 1239 824 3389 661 Sprint 1 812 8188 456 BBN Planet 7046 808 877 582 UUNET Technologies, Inc. 852 662 1148 421 Telus Advanced Communications 4323 632 436 256 Time Warner Communications, I 209 583 1984 321 Qwest 7132 569 604 140 Southwestern Bell Internet Se 3549 519 856 321 Global Crossing 690 493 71 312 Merit Network 7066 473 202 248 Virginia Polytechnic Institut 7843 456 349 48 Adelphia Corp. 2914 417 2145 404 Verio, Inc. 705 377 100 268 UUNET Technologies, Inc. 2149 346 191 288 Performance Systems, Inc. 6197 346 342 135 BellSouth Network Solutions, 3741 344 731 236 The Internet Solution 6347 336 370 81 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 477 460 China Education and Research 7132 569 429 Southwestern Bell Internet Se 7843 456 408 Adelphia Corp. 3908 874 388 Supernet, Inc. 4323 632 376 Time Warner Communications, I 1 812 356 BBN Planet 7018 1280 345 AT&T 1221 1277 336 Telstra Pty Ltd 4151 304 288 USDA 11371 292 286 Rhythms NetConnections 209 583 262 Qwest 6347 336 255 SAVVIS Communications Corpora 7029 262 247 Alltel Information Services, 852 662 241 Telus Advanced Communications 7046 808 226 UUNET Technologies, Inc. 7066 473 225 Virginia Polytechnic Institut 4355 259 223 EarthLink, Inc. 6197 346 211 BellSouth Network Solutions, 9443 274 211 Primus Telecommunications 6517 244 210 Yipes Communications, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 25707 UNALLOCATED 63.167.148.0/24 7018 AT&T 112 UNALLOCATED 192.175.48.0/24 7500 A Root DNS Server in 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 25733 UNALLOCATED 208.33.184.0/22 1239 Sprint 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 /9:8 /10:7 /11:13 /12:32 /13:85 /14:231 /15:404 /16:7186 /17:1426 /18:2605 /19:7491 /20:7070 /21:5029 /22:7729 /23:9367 /24:62392 /25:224 /26:194 /27:86 /28:92 /29:53 /30:92 /31:0 /32:37 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 702 648 1037 UUNET Technologies, Inc. 701 612 2055 UUNET Technologies, Inc. 3908 453 874 Supernet, Inc. 7046 435 808 UUNET Technologies, Inc. 690 432 493 Merit Network 7066 381 473 Virginia Polytechnic Institut 7018 331 1280 AT&T 209 275 583 Qwest 7843 267 456 Adelphia Corp. 7029 247 262 Alltel Information Services, 6197 246 346 BellSouth Network Solutions, 11371 245 292 Rhythms NetConnections 1 243 812 BBN Planet 3301 236 394 TeliaNet Sweden 6198 228 304 BellSouth Network Solutions, 6517 222 244 Yipes Communications, Inc. 3549 219 519 Global Crossing 1239 213 824 Sprint 1580 202 214 HQ, 5th Signal Command 3215 199 264 France Telecom / &Equant Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:2 4:2 9:1 12:497 13:10 15:2 17:7 20:2 24:760 25:1 32:67 38:8 40:6 44:1 57:13 61:202 62:197 63:2087 64:1212 65:1284 66:881 67:68 68:9 80:239 81:17 128:59 129:133 130:23 131:47 132:12 133:3 134:121 135:9 136:313 137:93 138:149 139:49 140:186 141:119 142:80 143:38 144:149 145:12 146:225 147:135 148:163 149:92 150:41 151:60 152:308 153:33 154:3 155:99 156:76 157:125 158:69 159:130 160:24 161:56 162:151 163:103 164:271 165:124 166:224 167:170 168:122 169:54 170:302 171:2 192:5449 193:2309 194:2126 195:830 196:438 198:3737 199:3208 200:2435 202:3163 203:4535 204:3281 205:2164 206:2564 207:2647 208:2602 209:2718 210:654 211:212 212:874 213:597 214:9 215:18 216:3012 217:458 218:20 End of report