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 02 Mar, 2001 Analysis Summary ---------------- BGP routing table entries examined: 101782 Origin ASes present in the Internet Routing Table: 10158 Origin ASes announcing only one prefix: 3648 Transit ASes present in the Internet Routing Table: 1351 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: 1245881361 Equivalent to 74 /8s, 66 /16s and 164 /24s Percentage of available address space announced: 33.6 Percentage of allocated address space announced: 65.9 Percentage of available address space allocated: 51.0 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15777 Prefixes being announced from the APNIC address blocks: 14124 APNIC Region origin ASes present in the Internet Routing Table: 1171 APNIC Region origin ASes announcing only one prefix: 429 APNIC Region transit ASes present in the Internet Routing Table: 192 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 70384792 Equivalent to 4 /8s, 49 /16s and 252 /24s Percentage of available APNIC address space announced: 69.2 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: 70153 Prefixes being announced from the ARIN address blocks: 47971 ARIN Region origin ASes present in the Internet Routing Table: 6186 ARIN Region origin ASes announcing only one prefix: 1815 ARIN Region transit ASes present in the Internet Routing Table: 638 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 194580734 Equivalent to 11 /8s, 153 /16s and 16 /24s Percentage of available ARIN address space announced: 89.2 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: 15838 Prefixes being announced from the RIPE address blocks: 12549 RIPE Region origin ASes present in the Internet Routing Table: 2800 RIPE Region origin ASes announcing only one prefix: 1404 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: 16 Number of RIPE addresses announced to Internet: 109079953 Equivalent to 6 /8s, 128 /16s and 109 /24s Percentage of available RIPE address space announced: 92.9 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 2389 1189 Telstra 2764 426 140 connect.com.au pty ltd 703 401 253 UUNET Technologies, Inc. 2907 378 909 SINET Japan 4755 296 111 VSNL India 4740 275 17 Ozemail 4538 220 1006 China Education and Research 4618 211 56 Internet Thailand 9269 205 24 Hong Kong CTI 7474 202 89 Optus Communications 7545 201 7 TPG Internet Pty Ltd 7657 192 12 The Internet Group Limited 4763 177 35 Telstra New Zealand 4766 175 620 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 82 Delegated to TWNIC for subseq 7586 131 10 Paradox Digital Pty. Ltd 7617 125 46 One.Net Pty Ltd RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 3301 403 330 TeliaNet Sweden 702 397 607 UUNET Technologies, Inc. 1257 290 248 Swipnet AB 3215 274 183 RAIN 1270 272 450 UUNET Germany 680 203 889 Deutschef Forschurgsnetz 719 190 146 LANLINK 786 184 960 JANET IP Service 5515 169 318 Sonera Finland 3320 167 462 Deutsche Telekom AG 1849 149 263 UUNET UK (formerly PIPEX) 1942 139 53 GIP Renater 517 134 136 Xlink 3303 129 277 Swisscom 2856 125 388 BTnet UK Regional network 3352 114 321 Ibernet, Internet A 5400 112 31 Concert Internet Plus Europea 1901 104 77 EUnet Austria 1267 98 986 IUnet S.p.A 2830 89 30 UUNET UK (formerly PIPEX) ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2693 3546 UUNET Technologies, Inc. 1 1000 4549 BBN Planet 7018 921 3024 AT&T 705 781 51 UUNET Technologies, Inc. 7046 724 525 UUNET Technologies, Inc. 1239 645 1554 Sprint ICM-Inria 2914 617 1261 Verio, Inc. 174 613 2808 PSINet Inc. 3561 580 1276 Cable & Wireless USA 3549 540 497 Global Crossing 2551 490 344 NETCOM On-Line Communication 4293 476 58 Cable & Wireless USA 209 468 674 Qwest 3908 394 280 Supernet, Inc. 2548 393 514 Digital Express Group, Inc. 8151 366 197 UniNet S.A. de C.V. 271 350 270 BCnet Backbone 8013 339 63 PSINet Ltd. Canada 690 332 35 Merit Network 11371 327 49 Rhythms NetConnections Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2693 3546 UUNET Technologies, Inc. 1221 2389 1189 Telstra 1 1000 4549 BBN Planet 7018 921 3024 AT&T 705 781 51 UUNET Technologies, Inc. 7046 724 525 UUNET Technologies, Inc. 1239 645 1554 Sprint ICM-Inria 2914 617 1261 Verio, Inc. 174 613 2808 PSINet Inc. 3561 580 1276 Cable & Wireless USA 3549 540 497 Global Crossing 2551 490 344 NETCOM On-Line Communication 4293 476 58 Cable & Wireless USA 209 468 674 Qwest 2764 426 140 connect.com.au pty ltd 3301 403 330 TeliaNet Sweden 703 401 253 UUNET Technologies, Inc. 702 397 607 UUNET Technologies, Inc. 3908 394 280 Supernet, Inc. 2548 393 514 Digital Express Group, 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 /11:9 /12:31 /13:61 /14:201 /15:314 /16:6889 /17:1070 /18:2095 /19:6411 /20:4792 /21:4338 /22:6640 /23:8610 /24:58989 /25:279 /26:352 /27:151 /28:111 /29:76 /30:178 /31:0 /32:153 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:311 13:10 15:1 17:1 24:673 26:1 32:6 38:8 44:3 47:1 53:2 55:1 57:8 61:38 62:123 63:1813 64:1375 65:157 66:146 91:1 103:1 128:34 129:110 130:20 131:31 132:11 133:3 134:136 135:8 136:16 137:112 138:239 139:54 140:102 141:35 142:57 143:44 144:193 145:10 146:132 147:92 148:123 149:123 150:24 151:357 152:979 153:35 154:12 155:73 156:29 157:105 158:56 159:78 160:16 161:55 162:60 163:132 164:129 165:114 166:175 167:90 168:81 169:31 170:202 171:2 192:5349 193:1833 194:2014 195:817 196:366 198:3712 199:3422 200:1830 202:2423 203:5177 204:3656 205:2467 206:2777 207:3001 208:2944 209:3345 210:426 211:145 212:818 213:295 214:9 215:11 216:2817 217:132 End of report