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 18 May, 2001 Analysis Summary ---------------- BGP routing table entries examined: 106302 Origin ASes present in the Internet Routing Table: 10868 Origin ASes announcing only one prefix: 3970 Transit ASes present in the Internet Routing Table: 1434 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: 19 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 1 Number of addresses announced to Internet: 1230918418 Equivalent to 73 /8s, 94 /16s and 83 /24s Percentage of available address space announced: 33.2 Percentage of allocated address space announced: 64.0 Percentage of available address space allocated: 51.9 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15978 Prefixes being announced from the APNIC address blocks: 14530 APNIC Region origin ASes present in the Internet Routing Table: 1248 APNIC Region origin ASes announcing only one prefix: 442 APNIC Region transit ASes present in the Internet Routing Table: 205 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 72191777 Equivalent to 4 /8s, 77 /16s and 143 /24s Percentage of available APNIC address space announced: 71.0 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: 73572 Prefixes being announced from the ARIN address blocks: 50747 ARIN Region origin ASes present in the Internet Routing Table: 6618 ARIN Region origin ASes announcing only one prefix: 1985 ARIN Region transit ASes present in the Internet Routing Table: 686 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 200075426 Equivalent to 11 /8s, 236 /16s and 232 /24s Percentage of available ARIN address space announced: 91.7 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 ARIN Address Blocks 63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 16733 Prefixes being announced from the RIPE address blocks: 13079 RIPE Region origin ASes present in the Internet Routing Table: 3000 RIPE Region origin ASes announcing only one prefix: 1539 RIPE Region transit ASes present in the Internet Routing Table: 541 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 98389962 Equivalent to 5 /8s, 221 /16s and 79 /24s Percentage of available RIPE address space announced: 65.2 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 /19 equiv Description 1221 1743 665 Telstra 2764 875 172 connect.com.au pty ltd 703 382 206 UUNET Technologies, Inc. 2907 364 884 SINET Japan 4755 327 110 VSNL India 4538 241 1048 China Education and Research 7539 214 97 Delegated to TWNIC for subseq 4134 195 635 Data Communications Bureau 7474 191 86 Optus Communications 7657 183 13 The Internet Group Limited 7545 156 11 TPG Internet Pty Ltd 4740 151 9 Ozemail 17561 151 68 Internet service provision to 1237 149 50 System Engineering Research I 4766 148 681 KORnet Powered BY Korea Telec 4786 126 7 NetConnect Communications Pty 9443 124 23 INTERNETPRIMUS-AS-A 7586 121 9 Paradox Digital Pty. Ltd 4736 120 17 Magna Data 7617 120 46 One.Net Pty Ltd RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 702 591 833 UUNET Technologies, Inc. 15870 450 3 Global Center Frankfurt 3301 392 401 TeliaNet Sweden 1257 278 263 Swipnet AB 1270 268 440 UUNET Germany 680 215 970 Deutschef Forschurgsnetz 3215 211 231 RAIN 719 186 146 LANLINK 786 185 952 JANET IP Service 5515 173 318 Sonera Finland 3320 163 709 Deutsche Telekom AG 5400 132 34 Concert Internet Plus Europea 517 128 136 Xlink 3303 126 296 Swisscom 8708 120 7 Romania Data System 2856 118 396 BTnet UK Regional network 1267 100 978 IUnet S.p.A 1290 98 203 PSINet UK Ltd. 1901 91 69 EUnet Austria 3269 86 278 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2364 3781 UUNET Technologies, Inc. 705 1157 54 UUNET Technologies, Inc. 7018 1026 3306 AT&T 1 948 4464 BBN Planet 7046 804 2612 UUNET Technologies, Inc. 3491 678 180 CAIS Internet 1239 637 1597 Sprint ICM-Inria 2914 594 1181 Verio, Inc. 3561 542 1208 Cable & Wireless USA 4293 485 42 Cable & Wireless USA 18994 480 5 Global Crossing 690 472 47 Merit Network 209 454 797 Qwest 2548 405 506 Digital Express Group, Inc. 3908 386 265 Supernet, Inc. 174 368 2614 PSINet Inc. 3602 358 73 Sprint Canada 3549 349 526 Global Crossing 4323 340 140 Time Warner Communications, I 3967 338 227 Exodus Communication Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2364 3781 UUNET Technologies, Inc. 1221 1743 665 Telstra 705 1157 54 UUNET Technologies, Inc. 7018 1026 3306 AT&T 1 948 4464 BBN Planet 2764 875 172 connect.com.au pty ltd 7046 804 2612 UUNET Technologies, Inc. 3491 678 180 CAIS Internet 1239 637 1597 Sprint ICM-Inria 2914 594 1181 Verio, Inc. 702 591 833 UUNET Technologies, Inc. 3561 542 1208 Cable & Wireless USA 4293 485 42 Cable & Wireless USA 18994 480 5 Global Crossing 690 472 47 Merit Network 209 454 797 Qwest 15870 450 3 Global Center Frankfurt 2548 405 506 Digital Express Group, Inc. 3301 392 401 TeliaNet Sweden 3908 386 265 Supernet, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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, 65527 PRIVATE 195.138.163.0/24 6221 US Cybersites, Inc 17441 UNALLOCATED 203.131.192.0/24 6347 SAVVIS Communication 65502 PRIVATE 203.166.83.0/24 10084 Western Australian I 65500 PRIVATE 203.166.86.0/24 10084 Western Australian I 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 65527 PRIVATE 206.98.236.0/24 6221 US Cybersites, Inc 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 65527 PRIVATE 208.130.10.0/24 6221 US Cybersites, Inc 65527 PRIVATE 208.140.136.0/21 6221 US Cybersites, Inc 65527 PRIVATE 208.140.170.0/24 6221 US Cybersites, Inc 65527 PRIVATE 208.140.174.0/23 6221 US Cybersites, Inc Advertised IANA Reserved Addresses ---------------------------------- Network Origin AS Description 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 /12:31 /13:73 /14:203 /15:346 /16:6936 /17:1167 /18:2138 /19:6650 /20:5201 /21:4529 /22:6813 /23:8705 /24:61097 /25:265 /26:455 /27:449 /28:463 /29:380 /30:296 /31:1 /32:64 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:362 13:10 15:1 17:2 24:690 26:1 32:13 38:576 44:3 47:1 53:2 55:1 57:11 61:32 62:121 63:1955 64:1670 65:568 66:318 128:43 129:106 130:23 131:36 132:9 133:1 134:169 135:11 136:16 137:122 138:245 139:47 140:139 141:165 142:63 143:41 144:139 145:9 146:137 147:135 148:93 149:124 150:27 151:300 152:629 153:32 154:18 155:80 156:47 157:106 158:178 159:76 160:27 161:56 162:62 163:135 164:95 165:119 166:175 167:139 168:82 169:35 170:266 171:2 192:5447 193:1956 194:2067 195:774 196:403 198:3658 199:3394 200:2051 201:1 202:2521 203:4981 204:3358 205:2265 206:2835 207:2903 208:2961 209:3153 210:746 211:159 212:877 213:413 214:9 215:12 216:3023 217:231 End of report