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 01 Jun, 2001 Analysis Summary ---------------- BGP routing table entries examined: 107671 Origin ASes present in the Internet Routing Table: 10993 Origin ASes announcing only one prefix: 4006 Transit ASes present in the Internet Routing Table: 1458 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: 33 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 16 Number of addresses announced to Internet: 1233416619 Equivalent to 73 /8s, 132 /16s and 113 /24s Percentage of available address space announced: 33.3 Percentage of allocated address space announced: 64.6 Percentage of available address space allocated: 51.5 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15398 Prefixes being announced from the APNIC address blocks: 13903 APNIC Region origin ASes present in the Internet Routing Table: 1263 APNIC Region origin ASes announcing only one prefix: 442 APNIC Region transit ASes present in the Internet Routing Table: 207 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 69540541 Equivalent to 4 /8s, 37 /16s and 26 /24s Percentage of available APNIC address space announced: 68.4 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: 74885 Prefixes being announced from the ARIN address blocks: 53222 ARIN Region origin ASes present in the Internet Routing Table: 6693 ARIN Region origin ASes announcing only one prefix: 1994 ARIN Region transit ASes present in the Internet Routing Table: 697 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 12 Number of ARIN addresses announced to Internet: 198605942 Equivalent to 11 /8s, 214 /16s and 124 /24s Percentage of available ARIN address space announced: 78.9 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, 64/7, 66/7, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 17384 Prefixes being announced from the RIPE address blocks: 13517 RIPE Region origin ASes present in the Internet Routing Table: 3047 RIPE Region origin ASes announcing only one prefix: 1570 RIPE Region transit ASes present in the Internet Routing Table: 555 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 99124106 Equivalent to 5 /8s, 232 /16s and 131 /24s Percentage of available RIPE address space announced: 65.6 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 1722 1329 Telstra 2764 430 328 connect.com.au pty ltd 2907 365 1767 SINET Japan 703 353 394 UUNET Technologies, Inc. 4755 339 221 VSNL India 7539 222 195 TANet2, sponsored by NSC, TAI 4134 200 1419 Data Communications Bureau 7474 194 171 Optus Communications 4766 173 1258 KORnet Powered BY Korea Telec 4740 160 37 Ozemail 7657 156 25 The Internet Group Limited 1237 152 140 System Engineering Research I 17561 151 137 Internet service provision to 7545 149 21 TPG Internet Pty Ltd 9443 132 47 INTERNETPRIMUS-AS-A 4786 125 14 NetConnect Communications Pty 7586 118 10 Paradox Digital Pty. Ltd 4763 115 85 Telstra New Zealand 7617 114 91 One.Net Pty Ltd 9583 112 62 Satyam Infoway Ltd., RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 3301 902 950 TeliaNet Sweden 702 650 1755 UUNET Technologies, Inc. 15870 441 7 Global Center Frankfurt 1257 283 503 Swipnet AB 1270 265 864 UUNET Germany 680 226 2007 Deutschef Forschurgsnetz 15878 221 8 Global Center Paris 3215 220 471 RAIN 719 186 291 LANLINK 786 185 1904 JANET IP Service 5515 175 638 Sonera Finland 3320 164 1418 Deutsche Telekom AG 5400 136 67 Concert Internet Plus Europea 8708 130 14 Romania Data System 3303 129 592 Swisscom 517 128 273 Xlink 2856 116 775 BTnet UK Regional network 1267 99 1954 IUnet S.p.A 1290 98 407 PSINet UK Ltd. 3269 90 568 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2415 7538 UUNET Technologies, Inc. 7018 1800 7007 AT&T 705 1488 129 UUNET Technologies, Inc. 1 924 8919 BBN Planet 7046 811 1131 UUNET Technologies, Inc. 3491 674 392 CAIS Internet 1239 658 3274 Sprint ICM-Inria 2914 564 2335 Verio, Inc. 3561 543 2434 Cable & Wireless USA 690 487 66 Merit Network 18994 474 11 Global Crossing 4293 472 100 Cable & Wireless USA 209 463 1829 Qwest 2149 414 489 Performance Systems, Inc. 2548 406 997 Digital Express Group, Inc. 3908 391 533 Supernet, Inc. 3549 344 1064 Global Crossing 5106 333 132 Ameritech Advanced Data Servi 11371 333 100 Rhythms NetConnections 3967 331 454 Exodus Communication Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2415 7538 UUNET Technologies, Inc. 7018 1800 7007 AT&T 1221 1722 1329 Telstra 705 1488 129 UUNET Technologies, Inc. 1 924 8919 BBN Planet 3301 902 950 TeliaNet Sweden 7046 811 1131 UUNET Technologies, Inc. 3491 674 392 CAIS Internet 1239 658 3274 Sprint ICM-Inria 702 650 1755 UUNET Technologies, Inc. 2914 564 2335 Verio, Inc. 3561 543 2434 Cable & Wireless USA 690 487 66 Merit Network 18994 474 11 Global Crossing 4293 472 100 Cable & Wireless USA 209 463 1829 Qwest 15870 441 7 Global Center Frankfurt 2764 430 328 connect.com.au pty ltd 2149 414 489 Performance Systems, Inc. 2548 406 997 Digital Express Group, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 16998 UNALLOCATED 63.127.205.0/24 1239 Sprint ICM-Inria 16998 UNALLOCATED 63.170.150.0/24 1239 Sprint ICM-Inria 16998 UNALLOCATED 63.175.19.0/24 1239 Sprint ICM-Inria 60002 RESERVED 64.76.148.0/24 19583 IMPSAT CHILE S.A. 578 UNALLOCATED 64.230.243.96/27 577 Bell Canada 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 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 5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies, 16028 UNALLOCATED 193.251.160.0/24 5511 OPENTRANSIT 16028 UNALLOCATED 193.251.162.0/24 5511 OPENTRANSIT 16028 UNALLOCATED 193.251.163.0/24 5511 OPENTRANSIT 16028 UNALLOCATED 193.251.164.0/24 5511 OPENTRANSIT 65000 PRIVATE 198.208.54.0/24 7046 UUNET Technologies, 65000 PRIVATE 198.208.187.0/24 7046 UUNET Technologies, 5978 UNALLOCATED 199.211.157.0/24 303 Navy Personnel R & D 5978 UNALLOCATED 199.211.162.0/24 303 Navy Personnel R & D 9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation 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 5978 UNALLOCATED 204.222.228.0/24 303 Navy Personnel R & D 5978 UNALLOCATED 204.222.229.0/24 303 Navy Personnel R & D 16998 UNALLOCATED 206.67.166.0/24 1239 Sprint ICM-Inria 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 12762 UNALLOCATED 212.51.224.0/21 8437 UTA.AT Backbone 12762 UNALLOCATED 212.51.232.0/21 8447 HIGHWAY194 Autonomo 12762 UNALLOCATED 212.51.240.0/21 5385 TELEPORT Consulting 12762 UNALLOCATED 212.51.248.0/21 8437 UTA.AT Backbone Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 128.65.0.0/16 3463 ACES Research Inc 128.199.0.0/16 5519 GX Networks (former 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 139.157.0.0/16 5515 Sonera Finland 144.7.0.0/16 701 UUNET Technologies, Inc. 146.104.0.0/16 1136 SURFnet BV 153.34.0.0/15 701 UUNET Technologies, Inc. 153.36.0.0/14 701 UUNET Technologies, Inc. 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 /8:20 /9:5 /10:6 /11:9 /12:32 /13:76 /14:207 /15:346 /16:6902 /17:1170 /18:2157 /19:6689 /20:5195 /21:4526 /22:6825 /23:8784 /24:62286 /25:269 /26:439 /27:479 /28:485 /29:382 /30:324 /31:1 /32:57 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:750 13:10 15:1 17:3 24:675 26:1 32:125 38:572 44:3 47:1 53:2 55:1 57:13 61:31 62:130 63:1964 64:1673 65:998 66:340 80:2 128:38 129:134 130:23 131:39 132:9 133:1 134:169 135:12 136:16 137:122 138:246 139:44 140:139 141:158 142:69 143:41 144:135 145:9 146:141 147:135 148:94 149:121 150:36 151:298 152:582 153:32 154:19 155:78 156:52 157:110 158:181 159:75 160:27 161:53 162:68 163:139 164:97 165:129 166:203 167:140 168:98 169:35 170:253 171:4 192:5434 193:1858 194:2052 195:747 196:410 198:3662 199:3372 200:2100 201:1 202:2500 203:4830 204:3361 205:2269 206:2838 207:2969 208:3042 209:3207 210:551 211:125 212:823 213:804 214:9 215:11 216:3057 217:352 End of report