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 27 Apr, 2001 Analysis Summary ---------------- BGP routing table entries examined: 104638 Origin ASes present in the Internet Routing Table: 10673 Origin ASes announcing only one prefix: 3885 Transit ASes present in the Internet Routing Table: 1436 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 21 Illegal AS announcements present in the Routing Table: 19 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 1 Number of addresses announced to Internet: 1223206251 Equivalent to 72 /8s, 232 /16s and 165 /24s Percentage of available address space announced: 33.0 Percentage of allocated address space announced: 63.6 Percentage of available address space allocated: 51.9 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15702 Prefixes being announced from the APNIC address blocks: 14207 APNIC Region origin ASes present in the Internet Routing Table: 1233 APNIC Region origin ASes announcing only one prefix: 441 APNIC Region transit ASes present in the Internet Routing Table: 199 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 71044162 Equivalent to 4 /8s, 60 /16s and 12 /24s Percentage of available APNIC address space announced: 69.8 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: 72658 Prefixes being announced from the ARIN address blocks: 49910 ARIN Region origin ASes present in the Internet Routing Table: 6488 ARIN Region origin ASes announcing only one prefix: 1937 ARIN Region transit ASes present in the Internet Routing Table: 688 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 181209106 Equivalent to 10 /8s, 205 /16s and 8 /24s Percentage of available ARIN address space announced: 83.1 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: 16259 Prefixes being announced from the RIPE address blocks: 12958 RIPE Region origin ASes present in the Internet Routing Table: 2951 RIPE Region origin ASes announcing only one prefix: 1505 RIPE Region transit ASes present in the Internet Routing Table: 549 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 96959193 Equivalent to 5 /8s, 199 /16s and 122 /24s Percentage of available RIPE address space announced: 64.2 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, 80/7, 193/8, 194/7, 212/7 and 217/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /19 equiv Description 1221 2010 692 Telstra 2764 428 139 connect.com.au pty ltd 703 390 205 UUNET Technologies, Inc. 2907 363 875 SINET Japan 4755 317 111 VSNL India 7539 219 101 Delegated to TWNIC for subseq 4134 194 631 Data Communications Bureau 4766 186 766 KORnet Powered BY Korea Telec 7474 184 85 Optus Communications 4538 183 989 China Education and Research 7657 173 13 The Internet Group Limited 9269 161 22 Hong Kong CTI 1237 156 70 System Engineering Research I 4740 153 10 Ozemail 17561 151 61 Internet service provision to 7545 146 10 TPG Internet Pty Ltd 4786 128 7 NetConnect Communications Pty 7586 125 10 Paradox Digital Pty. Ltd 7617 124 46 One.Net Pty Ltd 9443 122 22 INTERNETPRIMUS-AS-A RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 702 538 649 UUNET Technologies, Inc. 3301 389 337 TeliaNet Sweden 1257 278 263 Swipnet AB 1270 276 448 UUNET Germany 680 211 938 Deutschef Forschurgsnetz 3215 211 228 RAIN 5515 191 336 Sonera Finland 719 189 146 LANLINK 786 180 935 JANET IP Service 3320 161 710 Deutsche Telekom AG 5400 128 40 Concert Internet Plus Europea 517 127 134 Xlink 3303 124 298 Swisscom 2856 122 388 BTnet UK Regional network 8708 118 5 Romania Data System 1290 116 206 PSINet UK Ltd. 1849 105 223 UUNET UK (formerly PIPEX) 1267 101 978 IUnet S.p.A 1901 97 77 EUnet Austria 3269 85 277 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2367 3732 UUNET Technologies, Inc. 705 1752 73 UUNET Technologies, Inc. 7018 963 3159 AT&T 1 962 4472 BBN Planet 7046 773 553 UUNET Technologies, Inc. 1239 631 1581 Sprint ICM-Inria 2914 604 1202 Verio, Inc. 3561 562 1249 Cable & Wireless USA 18994 525 6 Crossing 3549 499 515 Global Crossing 174 475 2755 PSINet Inc. 4293 475 51 Cable & Wireless USA 209 450 715 Qwest 690 445 44 Merit Network 2548 402 514 Digital Express Group, Inc. 3908 375 262 Supernet, Inc. 8151 365 226 UniNet S.A. de C.V. 3602 345 72 Sprint Canada 3967 337 226 Exodus Communication 4323 337 136 Time Warner Communications, I Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2367 3732 UUNET Technologies, Inc. 1221 2010 692 Telstra 705 1752 73 UUNET Technologies, Inc. 7018 963 3159 AT&T 1 962 4472 BBN Planet 7046 773 553 UUNET Technologies, Inc. 1239 631 1581 Sprint ICM-Inria 2914 604 1202 Verio, Inc. 3561 562 1249 Cable & Wireless USA 702 538 649 UUNET Technologies, Inc. 18994 525 6 Crossing 3549 499 515 Global Crossing 174 475 2755 PSINet Inc. 4293 475 51 Cable & Wireless USA 209 450 715 Qwest 690 445 44 Merit Network 2764 428 139 connect.com.au pty ltd 2548 402 514 Digital Express Group, Inc. 703 390 205 UUNET Technologies, Inc. 3301 389 337 TeliaNet Sweden List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 60002 RESERVED 64.76.148.0/24 19583 CHILE S.A. 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 64842 PRIVATE 164.159.151.0/24 19143 Fish and Wildlife Se 64842 PRIVATE 164.159.152.0/22 19143 Fish and Wildlife Se 64842 PRIVATE 164.159.159.0/24 19143 Fish and Wildlife Se 64842 PRIVATE 164.159.160.0/24 19143 Fish and Wildlife Se 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, 60002 RESERVED 200.9.98.0/24 6429 RdC Internet 60002 RESERVED 200.9.99.0/24 6429 RdC Internet 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 201.115.100.0/24 7018 AT&T 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 /13:67 /14:204 /15:331 /16:6936 /17:1138 /18:2101 /19:6595 /20:5104 /21:4438 /22:6747 /23:8662 /24:60408 /25:288 /26:463 /27:294 /28:296 /29:227 /30:193 /31:1 /32:77 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:353 13:10 15:1 17:2 24:682 26:1 32:23 38:7 44:3 47:1 53:2 55:1 57:11 61:28 62:133 63:1939 64:1473 65:1069 66:310 128:35 129:114 130:22 131:26 132:9 133:1 134:166 135:9 136:16 137:119 138:250 139:62 140:143 141:163 142:60 143:41 144:132 145:9 146:133 147:134 148:142 149:123 150:28 151:301 152:792 153:33 154:17 155:81 156:40 157:108 158:173 159:84 160:28 161:58 162:61 163:135 164:87 165:124 166:176 167:133 168:85 169:33 170:256 171:2 192:5381 193:1974 194:2079 195:810 196:407 198:3667 199:3403 200:1974 201:1 202:2484 203:5033 204:3379 205:2243 206:2705 207:2914 208:2930 209:3178 210:504 211:150 212:838 213:382 214:9 215:11 216:2944 217:212 End of report
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Routing Analysis