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 09 Mar, 2001 Analysis Summary ---------------- BGP routing table entries examined: 101587 Origin ASes present in the Internet Routing Table: 10242 Origin ASes announcing only one prefix: 3665 Transit ASes present in the Internet Routing Table: 1374 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: 14 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 2 Number of addresses announced to Internet: 1244351344 Equivalent to 74 /8s, 43 /16s and 75 /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: 15875 Prefixes being announced from the APNIC address blocks: 14211 APNIC Region origin ASes present in the Internet Routing Table: 1190 APNIC Region origin ASes announcing only one prefix: 428 APNIC Region transit ASes present in the Internet Routing Table: 197 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 67053608 Equivalent to 3 /8s, 255 /16s and 40 /24s Percentage of available APNIC address space announced: 65.9 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: 69945 Prefixes being announced from the ARIN address blocks: 47720 ARIN Region origin ASes present in the Internet Routing Table: 6241 ARIN Region origin ASes announcing only one prefix: 1824 ARIN Region transit ASes present in the Internet Routing Table: 655 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 211929698 Equivalent to 12 /8s, 161 /16s and 202 /24s Percentage of available ARIN address space announced: 97.2 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: 15753 Prefixes being announced from the RIPE address blocks: 12466 RIPE Region origin ASes present in the Internet Routing Table: 2810 RIPE Region origin ASes announcing only one prefix: 1413 RIPE Region transit ASes present in the Internet Routing Table: 520 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 92205759 Equivalent to 5 /8s, 126 /16s and 242 /24s Percentage of available RIPE address space announced: 78.5 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 2375 679 Telstra 2764 474 141 connect.com.au pty ltd 703 401 253 UUNET Technologies, Inc. 2907 378 909 SINET Japan 4755 297 112 VSNL India 4740 273 17 Ozemail 4538 264 1055 China Education and Research 9269 205 24 Hong Kong CTI 7545 201 7 TPG Internet Pty Ltd 7474 200 87 Optus Communications 7657 198 12 The Internet Group Limited 4763 177 35 Telstra New Zealand 4134 176 570 Data Communications Bureau 4766 175 620 KORnet Powered BY Korea Telec 3462 137 205 Data Communications Institute 7539 137 91 Delegated to TWNIC for subseq 4786 134 8 NetConnect Communications Pty 7586 129 10 Paradox Digital Pty. Ltd 9797 128 8 Asia Online Australia 7617 124 46 One.Net Pty Ltd RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 702 404 629 UUNET Technologies, Inc. 3301 399 321 TeliaNet Sweden 1257 288 248 Swipnet AB 1270 273 451 UUNET Germany 3215 248 190 RAIN 680 204 889 Deutschef Forschurgsnetz 5515 195 343 Sonera Finland 719 190 146 LANLINK 786 183 959 JANET IP Service 3320 166 462 Deutsche Telekom AG 1849 148 255 UUNET UK (formerly PIPEX) 1942 139 53 GIP Renater 517 131 136 Xlink 3303 131 286 Swisscom 2856 123 388 BTnet UK Regional network 5400 114 32 Concert Internet Plus Europea 1267 97 978 IUnet S.p.A 1901 96 69 EUnet Austria 2830 89 30 UUNET UK (formerly PIPEX) 3269 86 275 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2373 3684 UUNET Technologies, Inc. 1 997 4549 BBN Planet 7018 925 3043 AT&T 705 875 46 UUNET Technologies, Inc. 7046 719 525 UUNET Technologies, Inc. 1239 641 1573 Sprint ICM-Inria 174 616 2800 PSINet Inc. 2914 612 1252 Verio, Inc. 3561 574 1267 Cable & Wireless USA 3549 554 534 Global Crossing 4293 479 58 Cable & Wireless USA 209 463 675 Qwest 816 425 74 UUNET Canada4 2548 398 515 Digital Express Group, Inc. 3908 375 277 Supernet, Inc. 8151 365 197 UniNet S.A. de C.V. 8013 337 62 PSINet Ltd. Canada 690 329 19 Merit Network 11371 327 49 Rhythms NetConnections 3967 322 221 Exodus Communication Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 1221 2375 679 Telstra 701 2373 3684 UUNET Technologies, Inc. 1 997 4549 BBN Planet 7018 925 3043 AT&T 705 875 46 UUNET Technologies, Inc. 7046 719 525 UUNET Technologies, Inc. 1239 641 1573 Sprint ICM-Inria 174 616 2800 PSINet Inc. 2914 612 1252 Verio, Inc. 3561 574 1267 Cable & Wireless USA 3549 554 534 Global Crossing 4293 479 58 Cable & Wireless USA 2764 474 141 connect.com.au pty ltd 209 463 675 Qwest 816 425 74 UUNET Canada4 702 404 629 UUNET Technologies, Inc. 703 401 253 UUNET Technologies, Inc. 3301 399 321 TeliaNet Sweden 2548 398 515 Digital Express Group, Inc. 2907 378 909 SINET Japan 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 91.16.23.0/24 11770 Net56 100.100.100.0/24 9318 AS Object of HANARO Telecom i 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 /10:4 /11:9 /12:31 /13:62 /14:203 /15:318 /16:6904 /17:1085 /18:2046 /19:6434 /20:4853 /21:4352 /22:6679 /23:8586 /24:58696 /25:280 /26:350 /27:156 /28:111 /29:65 /30:184 /31:0 /32:152 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:317 13:10 15:1 24:674 26:1 32:5 38:8 44:3 47:1 53:2 55:1 57:8 61:39 62:123 63:1836 64:1426 65:225 66:166 91:1 100:1 128:30 129:105 130:20 131:32 132:11 133:3 134:138 135:8 136:16 137:112 138:239 139:54 140:103 141:26 142:58 143:45 144:189 145:9 146:133 147:90 148:123 149:132 150:26 151:358 152:949 153:35 154:12 155:72 156:31 157:106 158:58 159:76 160:16 161:55 162:60 163:134 164:129 165:122 166:174 167:90 168:80 169:30 170:205 171:2 192:5353 193:1824 194:2029 195:812 196:388 198:3699 199:3344 200:1836 202:2439 203:5108 204:3517 205:2355 206:2745 207:2852 208:2931 209:3367 210:499 211:165 212:793 213:299 214:9 215:11 216:2845 217:129 End of report