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 23 Feb, 2001 Analysis Summary ---------------- BGP routing table entries examined: 101198 Origin ASes present in the Internet Routing Table: 10071 Origin ASes announcing only one prefix: 3584 Transit ASes present in the Internet Routing Table: 1348 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: 14 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 3 Number of addresses announced to Internet: 1243790830 Equivalent to 74 /8s, 34 /16s and 189 /24s Percentage of available address space announced: 33.6 Percentage of allocated address space announced: 65.8 Percentage of available address space allocated: 51.0 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15712 Prefixes being announced from the APNIC address blocks: 14048 APNIC Region origin ASes present in the Internet Routing Table: 1162 APNIC Region origin ASes announcing only one prefix: 420 APNIC Region transit ASes present in the Internet Routing Table: 193 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 69937651 Equivalent to 4 /8s, 43 /16s and 41 /24s Percentage of available APNIC address space announced: 68.8 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: 69818 Prefixes being announced from the ARIN address blocks: 47624 ARIN Region origin ASes present in the Internet Routing Table: 6144 ARIN Region origin ASes announcing only one prefix: 1786 ARIN Region transit ASes present in the Internet Routing Table: 637 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 13 Number of ARIN addresses announced to Internet: 194202724 Equivalent to 11 /8s, 147 /16s and 76 /24s Percentage of available ARIN address space announced: 89.0 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: 15654 Prefixes being announced from the RIPE address blocks: 12384 RIPE Region origin ASes present in the Internet Routing Table: 2764 RIPE Region origin ASes announcing only one prefix: 1378 RIPE Region transit ASes present in the Internet Routing Table: 516 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 16 Number of RIPE addresses announced to Internet: 107480842 Equivalent to 6 /8s, 104 /16s and 7 /24s Percentage of available RIPE address space announced: 91.5 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 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 2394 1189 Telstra 2764 427 140 connect.com.au pty ltd 703 391 253 UUNET Technologies, Inc. 2907 376 909 SINET Japan 4755 305 111 VSNL India 4618 212 56 Internet Thailand 4740 209 13 Ozemail 9269 206 24 Hong Kong CTI 4538 205 948 China Education and Research 7545 203 7 TPG Internet Pty Ltd 7474 199 89 Optus Communications 7657 198 12 The Internet Group Limited 4763 187 43 Telstra New Zealand 4766 174 619 KORnet Powered BY Korea Telec 4134 173 557 Data Communications Bureau 3462 137 205 Data Communications Institute 4786 131 8 NetConnect Communications Pty 7539 131 86 Delegated to TWNIC for subseq 7586 131 10 Paradox Digital Pty. Ltd 7496 128 9 Power Up RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 702 413 607 UUNET Technologies, Inc. 3301 402 330 TeliaNet Sweden 1257 311 248 Swipnet AB 3215 273 183 RAIN 1270 271 450 UUNET Germany 680 203 889 Deutschef Forschurgsnetz 719 190 146 LANLINK 786 184 960 JANET IP Service 5515 168 318 Sonera Finland 3320 167 462 Deutsche Telekom AG 1849 154 271 UUNET UK (formerly PIPEX) 1942 139 53 GIP Renater 517 135 137 Xlink 2856 130 388 BTnet UK Regional network 3303 129 277 Swisscom 5400 113 31 Concert Internet Plus Europea 1901 104 77 EUnet Austria 1267 99 986 IUnet S.p.A 3269 86 275 TELECOM ITALIA 2830 85 30 UUNET UK (formerly PIPEX) ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2666 3571 UUNET Technologies, Inc. 1 1006 4565 BBN Planet 7018 932 3017 AT&T 705 739 41 UUNET Technologies, Inc. 7046 715 524 UUNET Technologies, Inc. 1239 641 1551 Sprint ICM-Inria 2914 626 1271 Verio, Inc. 174 583 2799 PSINet Inc. 3561 573 1276 Cable & Wireless USA 3549 533 473 Frontier GlobalCenter 2551 498 345 NETCOM On-Line Communication 4293 471 57 Cable & Wireless USA 209 470 658 Qwest 2548 394 515 Digital Express Group, Inc. 3908 389 280 Supernet, Inc. 8151 364 204 UniNet S.A. de C.V. 271 349 270 BCnet Backbone 8013 339 63 PSINet Ltd. Canada 690 328 34 Merit Network 11371 325 49 Rhythms NetConnections Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2666 3571 UUNET Technologies, Inc. 1221 2394 1189 Telstra 1 1006 4565 BBN Planet 7018 932 3017 AT&T 705 739 41 UUNET Technologies, Inc. 7046 715 524 UUNET Technologies, Inc. 1239 641 1551 Sprint ICM-Inria 2914 626 1271 Verio, Inc. 174 583 2799 PSINet Inc. 3561 573 1276 Cable & Wireless USA 3549 533 473 Frontier GlobalCenter 2551 498 345 NETCOM On-Line Communication 4293 471 57 Cable & Wireless USA 209 470 658 Qwest 2764 427 140 connect.com.au pty ltd 702 413 607 UUNET Technologies, Inc. 3301 402 330 TeliaNet Sweden 2548 394 515 Digital Express Group, Inc. 703 391 253 UUNET Technologies, Inc. 3908 389 280 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, 65500 PRIVATE 203.166.86.0/24 10084 Western Australian I 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, Advertised IANA Reserved Addresses ---------------------------------- Network Origin AS Description 39.96.40.224/30 14408 iCAIR 91.16.23.0/24 11770 Net56 103.22.7.0/24 9768 PubNet (Korea Telecom) Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:23 /9:4 /10:5 /11:10 /12:32 /13:62 /14:196 /15:306 /16:6866 /17:1062 /18:2040 /19:6379 /20:4714 /21:4339 /22:6578 /23:8567 /24:58739 /25:271 /26:345 /27:147 /28:110 /29:83 /30:178 /31:0 /32:142 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:316 13:10 15:1 17:1 24:660 26:1 32:7 38:8 44:3 53:2 55:1 57:8 61:42 62:121 63:1763 64:1361 65:112 66:120 91:1 103:1 128:38 129:115 130:20 131:31 132:10 133:3 134:108 135:8 136:16 137:112 138:288 139:54 140:105 141:45 142:56 143:42 144:193 145:9 146:133 147:92 148:122 149:117 150:25 151:334 152:974 153:35 154:12 155:73 156:18 157:106 158:55 159:78 160:16 161:56 162:60 163:131 164:132 165:113 166:173 167:87 168:81 169:31 170:201 171:2 192:5370 193:1841 194:2019 195:793 196:389 198:3711 199:3424 200:1835 202:2425 203:5183 204:3672 205:2450 206:2735 207:2984 208:2934 209:3295 210:394 211:146 212:835 213:308 214:9 215:11 216:2811 217:113 End of report
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Routing Analysis