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 06 Apr, 2001 Analysis Summary ---------------- BGP routing table entries examined: 102338 Origin ASes present in the Internet Routing Table: 10506 Origin ASes announcing only one prefix: 3773 Transit ASes present in the Internet Routing Table: 1397 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: 1218893376 Equivalent to 72 /8s, 166 /16s and 214 /24s Percentage of available address space announced: 32.9 Percentage of allocated address space announced: 64.5 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: 14073 APNIC Region origin ASes present in the Internet Routing Table: 1222 APNIC Region origin ASes announcing only one prefix: 439 APNIC Region transit ASes present in the Internet Routing Table: 204 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 69182459 Equivalent to 4 /8s, 31 /16s and 163 /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: 70742 Prefixes being announced from the ARIN address blocks: 48171 ARIN Region origin ASes present in the Internet Routing Table: 6397 ARIN Region origin ASes announcing only one prefix: 1876 ARIN Region transit ASes present in the Internet Routing Table: 658 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 180496434 Equivalent to 10 /8s, 194 /16s and 40 /24s Percentage of available ARIN address space announced: 82.8 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: 16002 Prefixes being announced from the RIPE address blocks: 12681 RIPE Region origin ASes present in the Internet Routing Table: 2885 RIPE Region origin ASes announcing only one prefix: 1458 RIPE Region transit ASes present in the Internet Routing Table: 533 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 96435151 Equivalent to 5 /8s, 191 /16s and 123 /24s Percentage of available RIPE address space announced: 82.1 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 2084 684 Telstra 2764 431 139 connect.com.au pty ltd 703 376 204 UUNET Technologies, Inc. 2907 365 884 SINET Japan 4755 291 108 VSNL India 4538 243 1024 China Education and Research 7474 196 86 Optus Communications 4134 183 615 Data Communications Bureau 4763 177 34 Telstra New Zealand 4766 177 618 KORnet Powered BY Korea Telec 1237 164 71 System Engineering Research I 7657 160 12 The Internet Group Limited 7539 158 101 Delegated to TWNIC for subseq 9269 156 22 Hong Kong CTI 7545 152 10 TPG Internet Pty Ltd 17561 150 60 Internet service provision to 4740 149 10 Ozemail 4786 127 7 NetConnect Communications Pty 7617 124 46 One.Net Pty Ltd 9797 123 10 Asia Online Australia RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 702 427 634 UUNET Technologies, Inc. 3301 399 337 TeliaNet Sweden 1257 279 247 Swipnet AB 1270 278 448 UUNET Germany 680 208 913 Deutschef Forschurgsnetz 3215 203 227 RAIN 719 190 146 LANLINK 5515 190 336 Sonera Finland 786 184 959 JANET IP Service 3320 158 710 Deutsche Telekom AG 1849 139 243 UUNET UK (formerly PIPEX) 517 128 134 Xlink 5400 124 33 Concert Internet Plus Europea 3303 123 298 Swisscom 2856 122 388 BTnet UK Regional network 1290 115 206 PSINet UK Ltd. 8708 113 5 Romania Data System 1267 97 978 IUnet S.p.A 1901 97 69 EUnet Austria 2830 96 38 UUNET UK (formerly PIPEX) ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2419 3628 UUNET Technologies, Inc. 705 1286 58 UUNET Technologies, Inc. 1 967 4497 BBN Planet 7018 948 3055 AT&T 7046 809 552 UUNET Technologies, Inc. 1239 642 1588 Sprint ICM-Inria 2914 605 1219 Verio, Inc. 3561 557 1249 Cable & Wireless USA 174 556 2768 PSINet Inc. 3549 540 496 Global Crossing 4293 482 51 Cable & Wireless USA 209 442 674 Qwest 690 414 49 Merit Network 2548 398 514 Digital Express Group, Inc. 3908 382 262 Supernet, Inc. 8112 372 76 Bell Atlantic Internet Soluti 8151 365 218 UniNet S.A. de C.V. 8013 339 55 PSINet Ltd. Canada 4323 337 136 Time Warner Communications, I 3967 332 223 Exodus Communication Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2419 3628 UUNET Technologies, Inc. 1221 2084 684 Telstra 705 1286 58 UUNET Technologies, Inc. 1 967 4497 BBN Planet 7018 948 3055 AT&T 7046 809 552 UUNET Technologies, Inc. 1239 642 1588 Sprint ICM-Inria 2914 605 1219 Verio, Inc. 3561 557 1249 Cable & Wireless USA 174 556 2768 PSINet Inc. 3549 540 496 Global Crossing 4293 482 51 Cable & Wireless USA 209 442 674 Qwest 2764 431 139 connect.com.au pty ltd 702 427 634 UUNET Technologies, Inc. 690 414 49 Merit Network 3301 399 337 TeliaNet Sweden 2548 398 514 Digital Express Group, Inc. 3908 382 262 Supernet, Inc. 703 376 204 UUNET Technologies, 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, 65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio 65500 PRIVATE 203.166.86.0/24 10084 Western Australian I 5555 UNALLOCATED 205.110.64.0/24 721 DLA Systems Automati 5555 UNALLOCATED 205.110.68.0/22 721 DLA Systems Automati 5555 UNALLOCATED 205.110.72.0/21 721 DLA Systems Automati 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 /11:10 /12:29 /13:66 /14:204 /15:330 /16:6916 /17:1116 /18:2088 /19:6536 /20:5007 /21:4411 /22:6680 /23:8570 /24:59077 /25:260 /26:339 /27:146 /28:108 /29:67 /30:174 /31:1 /32:174 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:351 13:10 15:1 17:1 24:700 26:1 32:10 38:7 44:3 47:1 53:2 55:1 57:9 61:28 62:134 63:1891 64:1422 65:652 66:216 91:1 106:2 128:31 129:122 130:20 131:25 132:11 133:1 134:152 135:8 136:17 137:115 138:247 139:52 140:108 141:172 142:55 143:151 144:37 145:9 146:134 147:92 148:149 149:134 150:26 151:360 152:874 153:33 154:13 155:75 156:38 157:103 158:61 159:79 160:18 161:56 162:91 163:135 164:128 165:126 166:174 167:135 168:80 169:30 170:210 171:2 192:5383 193:1867 194:2040 195:759 196:375 198:3642 199:3370 200:1889 202:2468 203:4958 204:3376 205:2254 206:2729 207:2784 208:2911 209:3208 210:495 211:171 212:816 213:379 214:9 215:11 216:2871 217:177 End of report
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Routing Analysis