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 13 Apr, 2001 Analysis Summary ---------------- BGP routing table entries examined: 103359 Origin ASes present in the Internet Routing Table: 10563 Origin ASes announcing only one prefix: 3791 Transit ASes present in the Internet Routing Table: 1417 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: 23 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 4 Number of addresses announced to Internet: 1238454464 Equivalent to 73 /8s, 209 /16s and 80 /24s Percentage of available address space announced: 33.4 Percentage of allocated address space announced: 65.5 Percentage of available address space allocated: 51.0 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16123 Prefixes being announced from the APNIC address blocks: 14631 APNIC Region origin ASes present in the Internet Routing Table: 1225 APNIC Region origin ASes announcing only one prefix: 432 APNIC Region transit ASes present in the Internet Routing Table: 200 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 71027382 Equivalent to 4 /8s, 59 /16s and 202 /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: 71093 Prefixes being announced from the ARIN address blocks: 48604 ARIN Region origin ASes present in the Internet Routing Table: 6428 ARIN Region origin ASes announcing only one prefix: 1891 ARIN Region transit ASes present in the Internet Routing Table: 672 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 181106981 Equivalent to 10 /8s, 203 /16s and 121 /24s Percentage of available ARIN address space announced: 83.0 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: 16120 Prefixes being announced from the RIPE address blocks: 12783 RIPE Region origin ASes present in the Internet Routing Table: 2911 RIPE Region origin ASes announcing only one prefix: 1468 RIPE Region transit ASes present in the Internet Routing Table: 544 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 96664777 Equivalent to 5 /8s, 194 /16s and 252 /24s Percentage of available RIPE address space announced: 82.3 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 2000 684 Telstra 2764 872 164 connect.com.au pty ltd 703 377 204 UUNET Technologies, Inc. 2907 363 884 SINET Japan 4755 300 110 VSNL India 4538 240 1022 China Education and Research 7539 218 97 Delegated to TWNIC for subseq 4766 187 770 KORnet Powered BY Korea Telec 4134 186 616 Data Communications Bureau 7474 186 85 Optus Communications 1237 163 71 System Engineering Research I 9269 160 22 Hong Kong CTI 7657 155 12 The Internet Group Limited 4740 153 10 Ozemail 17561 150 60 Internet service provision to 7545 149 10 TPG Internet Pty Ltd 4786 128 7 NetConnect Communications Pty 7617 124 46 One.Net Pty Ltd 7586 123 9 Paradox Digital Pty. Ltd 9797 122 10 Asia Online Australia RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 702 467 662 UUNET Technologies, Inc. 3301 390 337 TeliaNet Sweden 1257 278 247 Swipnet AB 1270 278 448 UUNET Germany 680 206 913 Deutschef Forschurgsnetz 3215 206 235 RAIN 719 190 146 LANLINK 5515 190 336 Sonera Finland 786 184 959 JANET IP Service 3320 159 710 Deutsche Telekom AG 517 129 135 Xlink 5400 125 33 Concert Internet Plus Europea 3303 123 298 Swisscom 2856 122 388 BTnet UK Regional network 1290 116 206 PSINet UK Ltd. 8708 115 5 Romania Data System 1849 108 224 UUNET UK (formerly PIPEX) 3352 108 241 Ibernet, Internet A 1267 97 978 IUnet S.p.A 1901 97 77 EUnet Austria ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2411 3625 UUNET Technologies, Inc. 705 1390 62 UUNET Technologies, Inc. 7018 965 3194 AT&T 1 964 4497 BBN Planet 7046 824 560 UUNET Technologies, Inc. 1239 651 1638 Sprint ICM-Inria 2914 605 1211 Verio, Inc. 3561 554 1248 Cable & Wireless USA 174 529 2759 PSINet Inc. 3549 517 495 Global Crossing 4293 480 52 Cable & Wireless USA 209 449 675 Qwest 690 414 49 Merit Network 2548 398 514 Digital Express Group, Inc. 3908 382 262 Supernet, Inc. 8151 361 218 UniNet S.A. de C.V. 4323 337 136 Time Warner Communications, I 3967 335 224 Exodus Communication 8013 335 54 PSINet Ltd. Canada 11371 318 49 Rhythms NetConnections Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2411 3625 UUNET Technologies, Inc. 1221 2000 684 Telstra 705 1390 62 UUNET Technologies, Inc. 7018 965 3194 AT&T 1 964 4497 BBN Planet 2764 872 164 connect.com.au pty ltd 7046 824 560 UUNET Technologies, Inc. 1239 651 1638 Sprint ICM-Inria 2914 605 1211 Verio, Inc. 3561 554 1248 Cable & Wireless USA 174 529 2759 PSINet Inc. 3549 517 495 Global Crossing 4293 480 52 Cable & Wireless USA 702 467 662 UUNET Technologies, Inc. 209 449 675 Qwest 690 414 49 Merit Network 2548 398 514 Digital Express Group, Inc. 3301 390 337 TeliaNet Sweden 3908 382 262 Supernet, Inc. 703 377 204 UUNET Technologies, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65130 PRIVATE 65.28.144.0/20 7017 Continental Cablevis 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, 65132 PRIVATE 202.160.247.176/28 7473 SINGTEL-IX 65132 PRIVATE 202.160.247.208/28 7473 SINGTEL-IX 65132 PRIVATE 202.160.247.224/28 7473 SINGTEL-IX 65535 PRIVATE 203.24.169.0/24 17486 Swiftel Communicatio 65132 PRIVATE 203.126.77.0/24 7473 SINGTEL-IX 65500 PRIVATE 203.166.86.0/24 10084 Western Australian I 65333 PRIVATE 203.208.131.0/24 7473 SINGTEL-IX 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 106.1.1.0/24 5705 Sirius Solutions, Inc. 106.1.2.0/24 5705 Sirius Solutions, Inc. 223.255.46.0/24 6853 GLOBAL-ONE-PORTUGAL 223.255.70.0/24 6853 GLOBAL-ONE-PORTUGAL Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:22 /9:4 /10:4 /11:10 /12:29 /13:67 /14:205 /15:330 /16:6925 /17:1127 /18:2102 /19:6576 /20:5032 /21:4440 /22:6736 /23:8682 /24:59899 /25:264 /26:374 /27:155 /28:134 /29:90 /30:93 /31:1 /32:58 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:354 13:10 15:1 17:1 24:708 26:1 32:12 38:7 44:3 47:2 53:2 55:1 57:12 61:28 62:133 63:1923 64:1456 65:751 66:246 106:2 128:31 129:115 130:20 131:25 132:9 133:1 134:161 135:8 136:16 137:116 138:246 139:52 140:141 141:174 142:56 143:76 144:132 145:9 146:134 147:134 148:153 149:134 150:27 151:176 152:838 153:33 154:13 155:76 156:39 157:108 158:61 159:80 160:18 161:56 162:61 163:135 164:113 165:127 166:175 167:134 168:81 169:32 170:210 171:2 192:5397 193:1907 194:2056 195:766 196:376 198:3676 199:3382 200:1914 202:2506 203:5143 204:3358 205:2241 206:2726 207:2830 208:2915 209:3269 210:735 211:191 212:809 213:393 214:8 215:11 216:2903 217:191 223:2 End of report