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 15 Jun, 2001 Analysis Summary ---------------- BGP routing table entries examined: 105884 Origin ASes present in the Internet Routing Table: 11066 Origin ASes announcing only one prefix: 4042 Transit ASes present in the Internet Routing Table: 1481 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 16 Illegal AS announcements present in the Routing Table: 84 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 14 Number of addresses announced to Internet: 1252712430 Equivalent to 74 /8s, 170 /16s and 223 /24s Percentage of available address space announced: 33.8 Percentage of allocated address space announced: 65.7 Percentage of available address space allocated: 51.5 Total number of prefixes smaller than registry allocations: 72546 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16025 Prefixes being announced from the APNIC address blocks: 14568 APNIC Region origin ASes present in the Internet Routing Table: 1284 APNIC Region origin ASes announcing only one prefix: 454 APNIC Region transit ASes present in the Internet Routing Table: 218 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 70733100 Equivalent to 4 /8s, 55 /16s and 77 /24s Percentage of available APNIC address space announced: 69.5 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239, 17408 - 18431 APNIC Address Blocks 61/8, 202/7, 210/7 and 218/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 72897 Prefixes being announced from the ARIN address blocks: 52120 ARIN Region origin ASes present in the Internet Routing Table: 6734 ARIN Region origin ASes announcing only one prefix: 1996 ARIN Region transit ASes present in the Internet Routing Table: 703 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 12 Number of ARIN addresses announced to Internet: 200030041 Equivalent to 11 /8s, 236 /16s and 55 /24s Percentage of available ARIN address space announced: 79.5 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 - 22527 ARIN Address Blocks 24/8, 63/8, 64/6, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 16945 Prefixes being announced from the RIPE address blocks: 13030 RIPE Region origin ASes present in the Internet Routing Table: 3079 RIPE Region origin ASes announcing only one prefix: 1592 RIPE Region transit ASes present in the Internet Routing Table: 560 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 133597214 Equivalent to 7 /8s, 246 /16s and 136 /24s Percentage of available RIPE address space announced: 88.5 RIPE AS Blocks 1877 - 1901, 2042, 2047, 2107 - 2136, 2585 - 2614 2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 - 5631 6656 - 6911, 8192 - 9215, 12288 - 13311, 15360 - 16383 20480 - 21503 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 Description 1221 1743 1347 Telstra 2764 917 367 connect.com.au pty ltd 2907 374 1800 SINET Japan 4755 348 225 VSNL India 703 341 374 UUNET Technologies, Inc. 7474 226 275 Optus Communications 7539 220 195 TANet2, sponsored by NSC, TAI 4134 218 1439 Data Communications Bureau 4766 174 1258 KORnet Powered BY Korea Telec 4740 156 21 Ozemail 7545 148 21 TPG Internet Pty Ltd 7657 146 25 The Internet Group Limited 9443 132 38 INTERNETPRIMUS-AS-A 4786 128 15 NetConnect Communications Pty 4763 117 85 Telstra New Zealand 9583 115 61 Satyam Infoway Ltd., 17561 115 151 Internet service provision to 7586 111 17 Paradox Digital Pty. Ltd 4713 108 853 NTT-OCNET 9797 104 32 Asia Online Australia RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 657 1780 UUNET Technologies, Inc. 15870 435 7 Global Center Frankfurt 3301 411 917 TeliaNet Sweden 1257 281 502 Swipnet AB 1270 260 863 UUNET Germany 680 230 2055 Deutschef Forschurgsnetz 15878 216 8 Global Center Paris 3215 208 486 RAIN 719 186 291 LANLINK 786 185 1904 JANET IP Service 5515 175 654 Sonera Finland 3320 167 1410 Deutsche Telekom AG 5400 138 68 Concert Internet Plus Europea 8708 137 14 Romania Data System 3303 129 592 Swisscom 517 128 273 Xlink 2856 120 776 BTnet UK Regional network 1267 100 1956 IUnet S.p.A 1290 97 406 PSINet UK Ltd. 3269 92 664 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2457 8044 UUNET Technologies, Inc. 1 938 8842 BBN Planet 7018 909 6950 AT&T 7046 802 1098 UUNET Technologies, Inc. 3491 675 392 CAIS Internet 1239 642 3195 Sprint ICM-Inria 2914 553 2348 Verio, Inc. 3561 552 2407 Cable & Wireless USA 690 514 70 Merit Network 4293 494 101 Cable & Wireless USA 209 467 1838 Qwest 18994 467 10 Global Crossing 2548 419 998 Digital Express Group, Inc. 2149 412 457 Performance Systems, Inc. 3908 400 566 Supernet, Inc. 705 362 58 UUNET Technologies, Inc. 5106 353 137 Ameritech Advanced Data Servi 3549 339 1065 Global Crossing 3967 338 456 Exodus Communication 11371 337 100 Rhythms NetConnections Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2457 8044 UUNET Technologies, Inc. 1221 1743 1347 Telstra 1 938 8842 BBN Planet 2764 917 367 connect.com.au pty ltd 7018 909 6950 AT&T 7046 802 1098 UUNET Technologies, Inc. 3491 675 392 CAIS Internet 702 657 1780 UUNET Technologies, Inc. 1239 642 3195 Sprint ICM-Inria 2914 553 2348 Verio, Inc. 3561 552 2407 Cable & Wireless USA 690 514 70 Merit Network 4293 494 101 Cable & Wireless USA 209 467 1838 Qwest 18994 467 10 Global Crossing 15870 435 7 Global Center Frankfurt 2548 419 998 Digital Express Group, Inc. 2149 412 457 Performance Systems, Inc. 3301 411 917 TeliaNet Sweden 3908 400 566 Supernet, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 19791 UNALLOCATED 63.85.88.0/22 701 UUNET Technologies, 19772 UNALLOCATED 63.85.211.0/24 701 UUNET Technologies, 16841 UNALLOCATED 63.109.95.0/24 3356 Level 3 Communicatio 19229 UNALLOCATED 63.109.152.0/22 701 UUNET Technologies, 19874 UNALLOCATED 63.119.205.0/24 701 UUNET Technologies, 19874 UNALLOCATED 63.142.232.0/24 701 UUNET Technologies, 19780 UNALLOCATED 63.145.50.0/24 12179 InterNAP Network Ser 19780 UNALLOCATED 63.145.61.0/24 12179 InterNAP Network Ser 65530 PRIVATE 63.188.0.0/20 4999 Sprint 65530 PRIVATE 63.188.0.0/18 4999 Sprint 65530 PRIVATE 63.188.16.0/20 4999 Sprint 65530 PRIVATE 63.188.32.0/20 4999 Sprint 65530 PRIVATE 63.188.48.0/20 4999 Sprint 65530 PRIVATE 63.188.64.0/20 4999 Sprint 65530 PRIVATE 63.188.64.0/18 4999 Sprint 65530 PRIVATE 63.188.80.0/20 4999 Sprint 65530 PRIVATE 63.188.96.0/20 4999 Sprint 65530 PRIVATE 63.188.112.0/20 4999 Sprint 65530 PRIVATE 63.188.128.0/20 4999 Sprint 65530 PRIVATE 63.188.128.0/18 4999 Sprint 65530 PRIVATE 63.188.144.0/20 4999 Sprint 65530 PRIVATE 63.188.160.0/20 4999 Sprint 65530 PRIVATE 63.188.176.0/20 4999 Sprint 19853 UNALLOCATED 63.251.35.0/24 12179 InterNAP Network Ser 19824 UNALLOCATED 64.60.208.0/20 2548 Digital Express Grou 578 UNALLOCATED 64.230.242.0/27 577 Bell Canada 19771 UNALLOCATED 65.89.150.0/24 174 PSINet Inc. 19607 UNALLOCATED 65.113.228.0/24 209 Qwest 19833 UNALLOCATED 65.160.120.0/24 1239 Sprint ICM-Inria 19743 UNALLOCATED 65.163.182.0/24 1239 Sprint ICM-Inria 19159 UNALLOCATED 65.163.208.0/24 1239 Sprint ICM-Inria 19159 UNALLOCATED 65.163.210.0/24 1239 Sprint ICM-Inria 19772 UNALLOCATED 65.166.200.0/24 701 UUNET Technologies, 19853 UNALLOCATED 65.197.91.0/24 12179 InterNAP Network Ser 19841 UNALLOCATED 66.21.63.0/24 6383 bellsouth.net, inc. 19743 UNALLOCATED 66.89.98.0/24 1239 Sprint ICM-Inria 19771 UNALLOCATED 149.2.143.0/24 174 PSINet Inc. 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 19229 UNALLOCATED 170.131.224.0/19 701 UUNET Technologies, 1877 UNALLOCATED 192.108.196.0/24 1800 SPRINT 1877 UNALLOCATED 192.108.209.0/24 1880 Stupi, house man's 1877 UNALLOCATED 192.108.210.0/24 1880 Stupi, house man's 1877 UNALLOCATED 192.108.214.0/24 1800 SPRINT 19607 UNALLOCATED 192.216.78.0/24 1 BBN Planet 5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies, 20043 UNALLOCATED 200.63.65.0/24 16814 NSS, S.A. 20043 UNALLOCATED 200.63.66.0/24 16814 NSS, S.A. 20043 UNALLOCATED 200.63.67.0/24 16814 NSS, S.A. 20043 UNALLOCATED 200.63.68.0/24 16814 NSS, S.A. 20043 UNALLOCATED 200.63.69.0/24 16814 NSS, S.A. 20043 UNALLOCATED 200.63.70.0/24 16814 NSS, S.A. 20043 UNALLOCATED 200.63.71.0/24 16814 NSS, S.A. 20043 UNALLOCATED 200.63.73.0/24 16814 NSS, S.A. 9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation 17653 UNALLOCATED 202.52.192.0/24 4637 Hong Kong Telecom 17653 UNALLOCATED 202.52.193.0/24 4637 Hong Kong Telecom 17653 UNALLOCATED 202.52.195.0/24 9225 Level 3 Communicatio 17653 UNALLOCATED 202.52.200.0/24 4637 Hong Kong Telecom 65502 PRIVATE 203.166.83.0/24 10084 Western Australian I 65500 PRIVATE 203.166.86.0/24 10084 Western Australian I 9700 UNALLOCATED 203.255.208.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.209.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.210.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.211.0/24 3786 DACOM Corporation 19336 UNALLOCATED 204.117.67.0/24 1239 Sprint ICM-Inria 5555 UNALLOCATED 205.110.64.0/24 721 DLA Systems Automati 5555 UNALLOCATED 205.110.68.0/22 721 DLA Systems Automati 5555 UNALLOCATED 205.110.72.0/21 721 DLA Systems Automati 19850 UNALLOCATED 205.148.123.0/24 1239 Sprint ICM-Inria 19850 UNALLOCATED 205.148.125.0/24 7018 AT&T 19336 UNALLOCATED 205.216.65.0/24 3561 Cable & Wireless USA 19816 UNALLOCATED 206.131.232.0/21 2914 Verio, Inc. 19816 UNALLOCATED 206.180.160.0/20 2914 Verio, Inc. 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 19865 UNALLOCATED 207.99.22.0/24 701 UUNET Technologies, 19796 UNALLOCATED 207.246.208.0/24 2548 Digital Express Grou 19796 UNALLOCATED 207.246.209.0/24 2548 Digital Express Grou 19833 UNALLOCATED 208.131.42.0/23 1239 Sprint ICM-Inria 19824 UNALLOCATED 209.58.224.0/20 2548 Digital Express Grou 19865 UNALLOCATED 209.123.219.0/24 701 UUNET Technologies, 19841 UNALLOCATED 209.149.162.0/24 6383 bellsouth.net, inc. 19791 UNALLOCATED 209.190.154.0/23 701 UUNET Technologies, 19848 UNALLOCATED 216.168.144.0/20 577 Bell Canada 19848 UNALLOCATED 216.168.146.0/23 577 Bell Canada Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 128.65.0.0/16 3463 ACES Research Inc 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. 153.34.0.0/15 701 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 172.32.1.0/25 1221 Telstra 172.122.0.0/16 701 UUNET Technologies, Inc. 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 /8:21 /9:5 /10:6 /11:9 /12:32 /13:77 /14:208 /15:350 /16:6903 /17:1180 /18:2187 /19:6746 /20:5272 /21:4540 /22:6825 /23:8710 /24:60569 /25:246 /26:349 /27:447 /28:456 /29:361 /30:300 /31:1 /32:84 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1594 1743 Telstra 701 1588 2457 UUNET Technologies, Inc. 2764 873 917 connect.com.au pty ltd 3491 650 675 CAIS Internet 7046 638 802 UUNET Technologies, Inc. 690 511 514 Merit Network 4293 477 494 Cable & Wireless USA 18994 465 467 Global Crossing 1 441 938 BBN Planet 15870 434 435 Global Center Frankfurt 7018 428 909 AT&T 702 416 657 UUNET Technologies, Inc. 209 350 467 Qwest 3561 342 552 Cable & Wireless USA 5106 341 353 Ameritech Advanced Data Servi 1239 325 642 Sprint ICM-Inria 11371 324 337 Rhythms NetConnections 18993 321 324 Global Crossing 705 318 362 UUNET Technologies, Inc. 2548 307 419 Digital Express Group, Inc. Advertised prefixes smaller than registry allocations (per /8 block) -------------------------------------------------------------------- 6:12 9:6 12:559 13:13 15:11 17:13 20:2 24:855 26:1 30:1 32:31 35:4 38:572 40:2 44:11 47:37 52:2 53:4 55:1 56:5 57:15 61:89 62:194 63:2560 64:2848 65:1017 66:699 80:8 128:62 129:255 130:57 131:62 132:37 133:1 134:237 135:16 136:29 137:171 138:237 139:84 140:258 141:224 142:143 143:100 144:182 145:31 146:189 147:168 148:192 149:174 150:61 151:260 152:1104 153:37 154:27 155:141 156:74 157:156 158:112 159:100 160:70 161:126 162:151 163:224 164:177 165:280 166:270 167:165 168:204 169:54 170:453 171:20 172:1 192:31 193:2544 194:2719 195:1021 196:4 198:5 199:4057 200:2666 202:3691 203:6185 204:4355 205:2916 206:4188 207:3816 208:5113 209:4217 210:1140 211:312 212:1151 213:586 216:4699 217:384 End of report
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Routing Analysis