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 30 Aug, 2002 Analysis Summary ---------------- BGP routing table entries examined: 114907 Prefixes after maximum aggregation: 74444 Unique aggregates announced to Internet: 53655 Total ASes present in the Internet Routing Table: 13620 Origin-only ASes present in the Internet Routing Table: 11788 Origin ASes announcing only one prefix: 5269 Transit ASes present in the Internet Routing Table: 1832 Transit-only ASes present in the Internet Routing Table: 58 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 18 Illegal AS announcements present in the Routing Table: 29 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 34 Number of addresses announced to Internet: 1193623332 Equivalent to 71 /8s, 37 /16s and 63 /24s Percentage of available address space announced: 32.2 Percentage of allocated address space announced: 59.0 Percentage of available address space allocated: 54.6 Total number of prefixes smaller than registry allocations: 46812 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 19003 Total APNIC prefixes after maximum aggregation: 11386 Prefixes being announced from the APNIC address blocks: 17549 Unique aggregates announced from the APNIC address blocks: 10791 APNIC Region origin ASes present in the Internet Routing Table: 1596 APNIC Region origin ASes announcing only one prefix: 527 APNIC Region transit ASes present in the Internet Routing Table: 277 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 94136800 Equivalent to 5 /8s, 156 /16s and 105 /24s Percentage of available APNIC address space announced: 61.9 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 220/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 76409 Total ARIN prefixes after maximum aggregation: 48339 Prefixes being announced from the ARIN address blocks: 54392 Unique aggregates announced from the ARIN address blocks: 17296 ARIN Region origin ASes present in the Internet Routing Table: 8000 ARIN Region origin ASes announcing only one prefix: 2602 ARIN Region transit ASes present in the Internet Routing Table: 797 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 195831536 Equivalent to 11 /8s, 172 /16s and 38 /24s Percentage of available ARIN address space announced: 68.7 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, 68/7, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 19495 Total RIPE prefixes after maximum aggregation: 14719 Prefixes being announced from the RIPE address blocks: 16124 Unique aggregates announced from the RIPE address blocks: 9915 RIPE Region origin ASes present in the Internet Routing Table: 3966 RIPE Region origin ASes announcing only one prefix: 2140 RIPE Region transit ASes present in the Internet Routing Table: 740 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 117727872 Equivalent to 7 /8s, 4 /16s and 98 /24s Percentage of available RIPE address space announced: 78.0 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 1202 1186 882 Telstra Pty Ltd 4538 580 1330 18 China Education and Research 703 397 375 310 UUNET 2907 361 1816 340 SINET Japan 2764 356 357 327 connect.com.au pty ltd 7474 316 292 212 Optus Communications Pty Ltd 4134 301 2220 95 Data Communications Bureau 4755 287 143 75 Videsh Sanchar Nigam Ltd. Aut 17557 284 21 112 Pakistan Telecom 4766 250 1507 157 Korea Internet Exchange for " 4814 231 79 14 China Telecom (Group) 17676 201 3138 35 XTAGE CORPORATION 9443 177 57 65 Primus Telecommunications 9583 173 32 5 Satyam Infoway Ltd., 7539 147 205 141 TANet2, sponsored by NSC, TAI 9768 145 385 74 Korea Telecom 4515 140 102 81 Star Internet Services Ltd. 7657 129 22 89 The Internet Group Limited 9800 121 187 23 CHINA UNICOM 4739 116 56 107 Commerical Internet eXchange RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 886 2427 743 UUNET - Commercial IP service 3301 393 907 341 TeliaNet Sweden 5515 319 783 179 Sonera Solution Autonomous Sy 3215 290 641 179 France Telecom Transpac 3320 247 1964 213 Deutsche Telekom AG 680 238 2151 234 DFN-IP service G-WiN 5400 213 85 101 BT Ignite European Backbone 1257 209 444 204 SWIPnet Swedish IP Network 719 191 306 130 LANLINK autonomous system 786 177 1873 177 The JANET IP Service 8708 147 41 143 Romania Data Systems S.A. 3303 143 546 142 Swisscom Ltd 2856 126 786 116 BTnet UK Regional network 12302 124 18 31 MobiFon S.A. 3246 120 372 113 Song Networks 5511 110 192 88 France Telecom 3233 108 10 9 RNC - Romanian Natioanal R&D 3269 106 658 63 TELECOM ITALIA 2874 102 85 39 Global One Services AB 8220 100 166 96 COLT Internet - International ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 1772 9125 1363 UUNET Technologies, Inc. 7018 1291 7198 922 AT&T 3908 1040 1649 499 Supernet, Inc. 1239 847 3227 654 Sprint 852 730 1175 452 Telus Advanced Communications 1 667 8055 433 GENUITY 7843 656 371 274 Adelphia Corp. 7046 604 883 312 UUNET Technologies, Inc. 7132 601 664 143 Southwestern Bell Internet Se 4323 556 435 171 Time Warner Communications, I 209 521 2074 346 Qwest 690 519 75 326 Merit Network 7066 489 203 256 Virginia Polytechnic Institut 2548 456 1129 272 Business Internet, Inc. 3549 422 806 305 Global Crossing 6197 364 256 183 BellSouth Network Solutions, 15290 363 246 179 AT&T Canada IES 2914 355 2039 355 Verio, Inc. 4355 355 286 86 EarthLink, Inc. 6347 348 370 76 SAVVIS Communications Corpora Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4538 580 562 China Education and Research 3908 1040 541 Supernet, Inc. 7132 601 458 Southwestern Bell Internet Se 4323 556 385 Time Warner Communications, I 7843 656 382 Adelphia Corp. 7018 1291 369 AT&T 1221 1202 320 Telstra Pty Ltd 7046 604 292 UUNET Technologies, Inc. 4151 304 288 USDA 852 730 278 Telus Advanced Communications 6347 348 272 SAVVIS Communications Corpora 4355 355 269 EarthLink, Inc. 18566 264 260 Covad Communications 376 347 238 Reseau Interordinateurs Scien 1 667 234 GENUITY 7066 489 233 Virginia Polytechnic Institut 4814 231 217 China Telecom (Group) 4755 287 212 Videsh Sanchar Nigam Ltd. Aut 4134 301 206 Data Communications Bureau 1580 211 200 ANOSCEUR List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 23174 UNALLOCATED 12.160.205.0/24 7018 AT&T 26326 UNALLOCATED 63.226.42.0/24 3908 Supernet, Inc. 26313 UNALLOCATED 65.122.198.0/24 209 Qwest 26250 UNALLOCATED 65.164.157.0/24 4323 Time Warner Communic 26338 UNALLOCATED 65.200.70.0/24 701 UUNET Technologies, 23466 UNALLOCATED 65.222.163.0/24 209 Qwest 22312 UNALLOCATED 66.35.152.0/24 6983 ITC^Deltacom 26234 UNALLOCATED 66.150.105.0/24 19024 Internap Network Ser 26149 UNALLOCATED 66.150.188.0/23 10912 InterNAP Network Ser 26346 UNALLOCATED 66.250.176.0/21 16631 Cogent Communication 26276 UNALLOCATED 147.185.0.0/20 6395 Broadwing Communicat 22775 UNALLOCATED 198.81.96.0/20 16631 Cogent Communication 22775 UNALLOCATED 198.81.112.0/20 16631 Cogent Communication 26131 UNALLOCATED 198.212.98.0/24 3599 Berbee Information N 22312 UNALLOCATED 198.252.43.0/24 3502 Intelligence Network 26104 UNALLOCATED 200.142.160.0/20 4230 Embratel 25824 UNALLOCATED 204.76.114.0/24 7018 AT&T 22076 UNALLOCATED 204.126.80.0/23 5738 SoVerNet, Inc. 26303 UNALLOCATED 204.196.81.0/27 13504 St. Of LA./Office Of 26303 UNALLOCATED 204.196.81.32/27 13504 St. Of LA./Office Of 26303 UNALLOCATED 204.196.81.64/27 13504 St. Of LA./Office Of 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 22312 UNALLOCATED 207.90.13.0/24 3502 Intelligence Network 26299 UNALLOCATED 207.113.106.0/24 5696 WINSTAR 26287 UNALLOCATED 207.113.108.0/24 5696 WINSTAR 26299 UNALLOCATED 207.113.110.0/24 5696 WINSTAR 22076 UNALLOCATED 207.136.220.0/24 5738 SoVerNet, Inc. 23135 UNALLOCATED 208.49.130.0/24 3549 Global Crossing 26352 UNALLOCATED 209.218.226.0/24 701 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 GENUITY 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 DISA NETWORK SERVICES 192.44.0.0/19 702 UUNET - Commercial IP service 192.58.92.0/24 19548 Adelphia Business Solutions 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 Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.91.198.0/24 2568 CTS Network Services 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T 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 192.136.136.0/24 7046 UUNET Technologies, Inc. 192.136.136.0/22 568 DISO-UNRRA 192.139.62.0/24 6539 GT Group Telecom Services Cor 192.140.0.0/16 5511 France Telecom 192.153.136.0/21 568 DISO-UNRRA 192.156.0.0/19 568 DISO-UNRRA 192.156.164.0/24 19548 Adelphia Business Solutions 192.172.0.0/19 568 DISO-UNRRA 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 /12:37 /13:86 /14:236 /15:425 /16:7309 /17:1485 /18:2686 /19:7818 /20:7639 /21:5331 /22:8090 /23:9730 /24:63147 /25:223 /26:234 /27:138 /28:85 /29:48 /30:79 /31:1 /32:34 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 3908 612 1040 Supernet, Inc. 702 541 886 UUNET - Commercial IP service 701 498 1772 UUNET Technologies, Inc. 690 465 519 Merit Network 7843 456 656 Adelphia Corp. 7066 388 489 Virginia Polytechnic Institut 7018 382 1291 AT&T 7046 289 604 UUNET Technologies, Inc. 6197 265 364 BellSouth Network Solutions, 18566 260 264 Covad Communications 6198 240 316 BellSouth Network Solutions, 3301 234 393 TeliaNet Sweden 1239 229 847 Sprint 3215 222 290 France Telecom Transpac 4355 204 355 EarthLink, Inc. 1580 199 211 ANOSCEUR 209 195 521 Qwest 11492 188 192 Cable One 4323 187 556 Time Warner Communications, I 5400 187 213 BT Ignite European Backbone Number of /24s announced per /8 block (Global) ---------------------------------------------- 3:1 4:1 12:551 13:10 15:2 17:6 20:4 24:819 25:1 32:41 38:9 40:6 44:1 55:1 57:14 61:319 62:233 63:1844 64:1226 65:1474 66:1085 67:98 68:95 80:265 81:45 128:65 129:158 130:21 131:54 132:11 133:2 134:125 135:9 136:497 137:95 138:149 139:69 140:185 141:73 142:67 143:50 144:138 145:17 146:257 147:143 148:243 149:81 150:41 151:59 152:264 153:36 154:11 155:107 156:71 157:114 158:65 159:140 160:20 161:74 162:123 163:89 164:263 165:128 166:104 167:266 168:121 169:61 170:194 171:3 192:5473 193:2376 194:2080 195:817 196:417 198:3683 199:3123 200:2644 202:3303 203:4746 204:3266 205:2138 206:2493 207:2504 208:2581 209:2661 210:614 211:242 212:870 213:688 214:8 215:19 216:2856 217:488 218:42 219:1 End of report
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Routing Table Analysis