Weekly Routing Table Report
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 16 Mar, 2001 Analysis Summary ---------------- BGP routing table entries examined: 101454 Origin ASes present in the Internet Routing Table: 10295 Origin ASes announcing only one prefix: 3673 Transit ASes present in the Internet Routing Table: 1364 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 15 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: 1212764391 Equivalent to 72 /8s, 73 /16s and 80 /24s Percentage of available address space announced: 32.7 Percentage of allocated address space announced: 64.2 Percentage of available address space allocated: 51.0 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15577 Prefixes being announced from the APNIC address blocks: 14101 APNIC Region origin ASes present in the Internet Routing Table: 1195 APNIC Region origin ASes announcing only one prefix: 427 APNIC Region transit ASes present in the Internet Routing Table: 197 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 68405865 Equivalent to 4 /8s, 19 /16s and 202 /24s Percentage of available APNIC address space announced: 67.3 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: 70227 Prefixes being announced from the ARIN address blocks: 47910 ARIN Region origin ASes present in the Internet Routing Table: 6271 ARIN Region origin ASes announcing only one prefix: 1818 ARIN Region transit ASes present in the Internet Routing Table: 646 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 178852306 Equivalent to 10 /8s, 169 /16s and 17 /24s Percentage of available ARIN address space announced: 82.0 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: 15631 Prefixes being announced from the RIPE address blocks: 12351 RIPE Region origin ASes present in the Internet Routing Table: 2831 RIPE Region origin ASes announcing only one prefix: 1428 RIPE Region transit ASes present in the Internet Routing Table: 519 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 92441309 Equivalent to 5 /8s, 130 /16s and 138 /24s Percentage of available RIPE address space announced: 78.7 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 RIPE Address Blocks 62/8, 193/8, 194/7, 212/7 and 217/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /19 equiv Description 1221 2093 685 Telstra 2764 429 140 connect.com.au pty ltd 703 393 253 UUNET Technologies, Inc. 2907 379 909 SINET Japan 4755 277 109 VSNL India 4538 244 1032 China Education and Research 9269 205 24 Hong Kong CTI 4740 200 13 Ozemail 7657 200 12 The Internet Group Limited 7545 196 8 TPG Internet Pty Ltd 7474 188 86 Optus Communications 4134 180 591 Data Communications Bureau 4766 178 626 KORnet Powered BY Korea Telec 4763 176 35 Telstra New Zealand 1237 169 71 System Engineering Research I 7539 152 97 Delegated to TWNIC for subseq 3462 137 205 Data Communications Institute 7586 128 9 Paradox Digital Pty. Ltd 4786 127 7 NetConnect Communications Pty 9797 126 8 Asia Online Australia RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 702 407 622 UUNET Technologies, Inc. 3301 404 321 TeliaNet Sweden 1257 288 248 Swipnet AB 1270 277 455 UUNET Germany 680 207 905 Deutschef Forschurgsnetz 719 189 146 LANLINK 5515 189 335 Sonera Finland 786 184 960 JANET IP Service 3215 180 199 RAIN 3320 158 462 Deutsche Telekom AG 1849 149 255 UUNET UK (formerly PIPEX) 517 134 136 Xlink 3303 133 318 Swisscom 2856 121 388 BTnet UK Regional network 5400 116 32 Concert Internet Plus Europea 1267 97 978 IUnet S.p.A 1901 97 77 EUnet Austria 2830 91 38 UUNET UK (formerly PIPEX) 1290 84 205 PSINet UK Ltd. 3269 84 276 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2373 3561 UUNET Technologies, Inc. 1 993 4533 BBN Planet 705 952 49 UUNET Technologies, Inc. 7018 937 3027 AT&T 7046 736 550 UUNET Technologies, Inc. 1239 637 1564 Sprint ICM-Inria 174 629 2800 PSINet Inc. 2914 608 1244 Verio, Inc. 3549 578 534 Global Crossing 3561 565 1258 Cable & Wireless USA 4293 481 59 Cable & Wireless USA 209 446 723 Qwest 2548 400 515 Digital Express Group, Inc. 3908 378 277 Supernet, Inc. 816 370 162 UUNET Canada4 8151 365 204 UniNet S.A. de C.V. 690 339 36 Merit Network 8013 338 55 PSINet Ltd. Canada 4323 337 136 Time Warner Communications, I 11371 328 49 Rhythms NetConnections Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2373 3561 UUNET Technologies, Inc. 1221 2093 685 Telstra 1 993 4533 BBN Planet 705 952 49 UUNET Technologies, Inc. 7018 937 3027 AT&T 7046 736 550 UUNET Technologies, Inc. 1239 637 1564 Sprint ICM-Inria 174 629 2800 PSINet Inc. 2914 608 1244 Verio, Inc. 3549 578 534 Global Crossing 3561 565 1258 Cable & Wireless USA 4293 481 59 Cable & Wireless USA 209 446 723 Qwest 2764 429 140 connect.com.au pty ltd 702 407 622 UUNET Technologies, Inc. 3301 404 321 TeliaNet Sweden 2548 400 515 Digital Express Group, Inc. 703 393 253 UUNET Technologies, Inc. 2907 379 909 SINET Japan 3908 378 277 Supernet, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65535 PRIVATE 62.4.68.96/27 6461 AboveNet Communicati 2027 UNALLOCATED 150.185.0.0/16 10530 Interpacket Group, I 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 2027 UNALLOCATED 150.186.0.0/16 10530 Interpacket Group, I 2027 UNALLOCATED 150.187.0.0/16 10530 Interpacket Group, I 2027 UNALLOCATED 150.188.0.0/16 10530 Interpacket Group, I 2027 UNALLOCATED 150.189.0.0/16 10530 Interpacket Group, I 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, 65008 PRIVATE 193.48.190.0/24 2200 INRIA-Rocquencourt 65008 PRIVATE 193.49.4.0/24 2200 INRIA-Rocquencourt 65008 PRIVATE 194.167.0.0/24 2200 INRIA-Rocquencourt 65500 PRIVATE 203.166.86.0/24 10084 Western Australian I 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 65200 PRIVATE 216.248.176.0/22 6983 Viper Computer Syste 20483 UNALLOCATED 217.150.0.0/20 9110 AG TELECOM AS Russia Advertised IANA Reserved Addresses ---------------------------------- Network Origin AS Description 91.16.23.0/24 11770 Net56 Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:21 /9:4 /10:4 /11:9 /12:31 /13:62 /14:204 /15:320 /16:6907 /17:1106 /18:2057 /19:6455 /20:4886 /21:4373 /22:6752 /23:8663 /24:58367 /25:272 /26:344 /27:149 /28:104 /29:60 /30:146 /31:1 /32:157 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:324 13:10 15:1 17:1 24:657 26:1 32:11 38:7 44:3 47:1 53:2 55:1 57:9 61:42 62:122 63:1862 64:1464 65:300 66:177 91:1 128:31 129:108 130:20 131:24 132:11 133:3 134:143 135:10 136:16 137:112 138:237 139:51 140:113 141:25 142:58 143:45 144:35 145:9 146:134 147:91 148:122 149:135 150:27 151:358 152:972 153:35 154:12 155:72 156:34 157:107 158:57 159:78 160:15 161:55 162:60 163:136 164:132 165:119 166:174 167:86 168:80 169:30 170:215 171:2 192:5356 193:1833 194:2023 195:762 196:388 198:3673 199:3326 200:1862 202:2439 203:5030 204:3400 205:2256 206:2744 207:2804 208:2946 209:3416 210:445 211:161 212:790 213:309 214:9 215:11 216:2859 217:137 End of report
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Routing Analysis