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 30 Mar, 2001 Analysis Summary ---------------- BGP routing table entries examined: 102113 Origin ASes present in the Internet Routing Table: 10430 Origin ASes announcing only one prefix: 3741 Transit ASes present in the Internet Routing Table: 1375 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: 17 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: 1214667866 Equivalent to 72 /8s, 102 /16s and 92 /24s Percentage of available address space announced: 32.8 Percentage of allocated address space announced: 64.3 Percentage of available address space allocated: 51.0 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15583 Prefixes being announced from the APNIC address blocks: 14173 APNIC Region origin ASes present in the Internet Routing Table: 1211 APNIC Region origin ASes announcing only one prefix: 435 APNIC Region transit ASes present in the Internet Routing Table: 198 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 69169775 Equivalent to 4 /8s, 31 /16s and 114 /24s Percentage of available APNIC address space announced: 68.0 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: 70655 Prefixes being announced from the ARIN address blocks: 47994 ARIN Region origin ASes present in the Internet Routing Table: 6353 ARIN Region origin ASes announcing only one prefix: 1858 ARIN Region transit ASes present in the Internet Routing Table: 651 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 179855217 Equivalent to 10 /8s, 184 /16s and 95 /24s Percentage of available ARIN address space announced: 82.5 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: 15858 Prefixes being announced from the RIPE address blocks: 12560 RIPE Region origin ASes present in the Internet Routing Table: 2866 RIPE Region origin ASes announcing only one prefix: 1448 RIPE Region transit ASes present in the Internet Routing Table: 524 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 93806295 Equivalent to 5 /8s, 151 /16s and 94 /24s Percentage of available RIPE address space announced: 79.9 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 20480 - 21503 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 2083 692 Telstra 703 451 264 UUNET Technologies, Inc. 2764 429 139 connect.com.au pty ltd 2907 373 892 SINET Japan 4755 296 110 VSNL India 4538 244 1032 China Education and Research 9269 206 24 Hong Kong CTI 7474 195 86 Optus Communications 4134 182 603 Data Communications Bureau 4763 179 35 Telstra New Zealand 4766 178 626 KORnet Powered BY Korea Telec 1237 168 71 System Engineering Research I 7657 164 12 The Internet Group Limited 7545 150 10 TPG Internet Pty Ltd 4740 145 10 Ozemail 3462 138 205 Data Communications Institute 4786 128 7 NetConnect Communications Pty 4713 126 427 NTT-OCNET 7539 124 38 Delegated to TWNIC for subseq 7617 123 46 One.Net Pty Ltd RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 702 417 624 UUNET Technologies, Inc. 3301 395 329 TeliaNet Sweden 1257 287 248 Swipnet AB 1270 276 455 UUNET Germany 680 208 913 Deutschef Forschurgsnetz 3215 202 227 RAIN 5515 191 335 Sonera Finland 719 190 146 LANLINK 786 183 959 JANET IP Service 3320 157 454 Deutsche Telekom AG 1849 149 255 UUNET UK (formerly PIPEX) 517 128 134 Xlink 3303 124 298 Swisscom 5400 124 33 Concert Internet Plus Europea 2856 122 388 BTnet UK Regional network 8708 105 5 Romania Data System 1901 99 77 EUnet Austria 1267 98 979 IUnet S.p.A 2830 95 38 UUNET UK (formerly PIPEX) 1290 85 205 PSINet UK Ltd. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2442 3623 UUNET Technologies, Inc. 705 1183 55 UUNET Technologies, Inc. 1 968 4504 BBN Planet 7018 948 3057 AT&T 7046 803 544 UUNET Technologies, Inc. 1239 636 1600 Sprint ICM-Inria 2914 610 1222 Verio, Inc. 174 582 2777 PSINet Inc. 3561 558 1240 Cable & Wireless USA 3549 540 496 Global Crossing 4293 477 52 Cable & Wireless USA 209 450 723 Qwest 690 404 64 Merit Network 2548 397 514 Digital Express Group, Inc. 3908 378 270 Supernet, Inc. 8112 370 64 Bell Atlantic Internet Soluti 4323 338 136 Time Warner Communications, I 8151 329 191 UniNet S.A. de C.V. 11371 329 49 Rhythms NetConnections 3967 328 222 Exodus Communication Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2442 3623 UUNET Technologies, Inc. 1221 2083 692 Telstra 705 1183 55 UUNET Technologies, Inc. 1 968 4504 BBN Planet 7018 948 3057 AT&T 7046 803 544 UUNET Technologies, Inc. 1239 636 1600 Sprint ICM-Inria 2914 610 1222 Verio, Inc. 174 582 2777 PSINet Inc. 3561 558 1240 Cable & Wireless USA 3549 540 496 Global Crossing 4293 477 52 Cable & Wireless USA 703 451 264 UUNET Technologies, Inc. 209 450 723 Qwest 2764 429 139 connect.com.au pty ltd 702 417 624 UUNET Technologies, Inc. 690 404 64 Merit Network 2548 397 514 Digital Express Group, Inc. 3301 395 329 TeliaNet Sweden 3908 378 270 Supernet, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 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 65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio 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 106.1.1.0/24 5705 Sirius Solutions, Inc. 106.1.2.0/24 5705 Sirius Solutions, Inc. 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 /12:30 /13:64 /14:202 /15:328 /16:6907 /17:1108 /18:2079 /19:6515 /20:4962 /21:4391 /22:6761 /23:8638 /24:58825 /25:269 /26:345 /27:146 /28:111 /29:73 /30:160 /31:1 /32:160 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:340 13:10 15:1 17:1 24:687 26:1 32:10 38:7 44:3 47:1 53:2 55:1 57:9 61:41 62:134 63:1883 64:1429 65:541 66:209 91:1 106:2 128:31 129:122 130:21 131:24 132:11 133:1 134:147 135:8 136:16 137:114 138:246 139:52 140:106 141:174 142:55 143:150 144:35 145:11 146:134 147:92 148:143 149:136 150:25 151:362 152:968 153:33 154:13 155:75 156:37 157:107 158:59 159:79 160:17 161:56 162:90 163:134 164:134 165:118 166:173 167:90 168:81 169:31 170:220 171:2 192:5350 193:1827 194:2038 195:774 196:381 198:3619 199:3364 200:1876 202:2435 203:4976 204:3374 205:2241 206:2747 207:2793 208:2932 209:3183 210:487 211:169 212:810 213:351 214:8 215:11 216:2865 217:165 End of report