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 02 Feb, 2001 Analysis Summary ---------------- BGP routing table entries examined: 100908 Origin ASes present in the Internet Routing Table: 9827 Origin ASes announcing only one prefix: 3489 Transit ASes present in the Internet Routing Table: 1316 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 18 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: 2 Number of addresses announced to Internet: 1202892915 Equivalent to 71 /8s, 178 /16s and 176 /24s Percentage of available address space announced: 32.5 Percentage of allocated address space announced: 63.6 Percentage of available address space allocated: 51.0 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15560 Prefixes being announced from the APNIC address blocks: 13998 APNIC Region origin ASes present in the Internet Routing Table: 1142 APNIC Region origin ASes announcing only one prefix: 406 APNIC Region transit ASes present in the Internet Routing Table: 187 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 12 Number of APNIC addresses announced to Internet: 65649152 Equivalent to 3 /8s, 233 /16s and 186 /24s Percentage of available APNIC address space announced: 64.5 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: 69861 Prefixes being announced from the ARIN address blocks: 47377 ARIN Region origin ASes present in the Internet Routing Table: 5985 ARIN Region origin ASes announcing only one prefix: 1732 ARIN Region transit ASes present in the Internet Routing Table: 628 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 13 Number of ARIN addresses announced to Internet: 175815311 Equivalent to 10 /8s, 122 /16s and 186 /24s Percentage of available ARIN address space announced: 80.6 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: 15470 Prefixes being announced from the RIPE address blocks: 12207 RIPE Region origin ASes present in the Internet Routing Table: 2698 RIPE Region origin ASes announcing only one prefix: 1349 RIPE Region transit ASes present in the Internet Routing Table: 499 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 89469667 Equivalent to 5 /8s, 85 /16s and 50 /24s Percentage of available RIPE address space announced: 76.2 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 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 2384 1189 Telstra 2764 436 139 connect.com.au pty ltd 703 416 250 UUNET Technologies, Inc. 2907 366 892 SINET Japan 4755 312 110 VSNL India 7657 217 12 The Internet Group Limited 9269 209 24 Hong Kong CTI 4618 207 56 Internet Thailand 4740 207 13 Ozemail 7545 205 7 TPG Internet Pty Ltd 7474 191 90 Optus Communications 4763 190 43 Telstra New Zealand 4766 175 619 KORnet Powered BY Korea Telec 4134 169 523 Data Communications Bureau 7586 135 10 Paradox Digital Pty. Ltd 3462 131 181 Data Communications Institute 4786 129 7 NetConnect Communications Pty 7496 124 9 Power Up 7617 122 46 One.Net Pty Ltd 9797 122 10 Asia Online Australia RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 3301 392 306 TeliaNet Sweden 702 367 490 UUNET Technologies, Inc. 1270 333 432 UUNET Germany 1257 314 240 Swipnet AB 3215 204 180 RAIN 719 193 146 LANLINK 5515 193 359 Sonera Finland 680 188 864 Deutschef Forschurgsnetz 786 184 960 JANET IP Service 3320 166 462 Deutsche Telekom AG 1849 162 280 UUNET UK (formerly PIPEX) 1942 140 53 GIP Renater 2856 138 394 BTnet UK Regional network 517 134 137 Xlink 3303 128 277 Swisscom 5400 110 32 Concert Internet Plus Europea 1901 103 77 EUnet Austria 1267 98 986 IUnet S.p.A 3259 95 88 UUNET FRANCE 2830 83 30 UUNET UK (formerly PIPEX) ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /19 equiv Description 701 2608 3599 UUNET Technologies, Inc. 1 1009 4612 BBN Planet 7018 913 3017 AT&T 7046 730 542 UUNET Technologies, Inc. 1239 695 1589 Sprint ICM-Inria 2914 614 1289 Verio, Inc. 174 597 2806 PSINet Inc. 705 597 37 UUNET Technologies, Inc. 3561 565 1306 Cable & Wireless USA 2548 543 523 Digital Express Group, Inc. 3549 537 441 Frontier GlobalCenter 8013 523 64 PSINet Ltd. Canada 2551 504 345 NETCOM On-Line Communication 4293 449 57 Cable & Wireless USA 209 433 633 Qwest 271 424 271 BCnet Backbone 3908 386 280 Supernet, Inc. 6082 359 63 Management Analysis, Incorpor 8151 357 192 UniNet S.A. de C.V. 11371 324 49 Rhythms NetConnections Global Per AS prefix count summary ---------------------------------- ASN No of nets /19 equiv Description 701 2608 3599 UUNET Technologies, Inc. 1221 2384 1189 Telstra 1 1009 4612 BBN Planet 7018 913 3017 AT&T 7046 730 542 UUNET Technologies, Inc. 1239 695 1589 Sprint ICM-Inria 2914 614 1289 Verio, Inc. 174 597 2806 PSINet Inc. 705 597 37 UUNET Technologies, Inc. 3561 565 1306 Cable & Wireless USA 2548 543 523 Digital Express Group, Inc. 3549 537 441 Frontier GlobalCenter 8013 523 64 PSINet Ltd. Canada 2551 504 345 NETCOM On-Line Communication 4293 449 57 Cable & Wireless USA 2764 436 139 connect.com.au pty ltd 209 433 633 Qwest 271 424 271 BCnet Backbone 703 416 250 UUNET Technologies, Inc. 3301 392 306 TeliaNet Sweden List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65535 PRIVATE 63.140.210.0/23 5696 WINSTAR 65535 PRIVATE 63.140.240.0/24 5696 WINSTAR 65535 PRIVATE 63.140.241.0/24 5696 WINSTAR 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, 17411 UNALLOCATED 202.137.32.0/21 703 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 39.96.40.224/30 14408 iCAIR 91.16.23.0/24 11770 Net56 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 /10:5 /11:10 /12:32 /13:61 /14:196 /15:306 /16:6807 /17:1025 /18:2025 /19:6319 /20:4543 /21:4291 /22:6497 /23:8428 /24:58495 /25:297 /26:399 /27:230 /28:220 /29:154 /30:321 /31:1 /32:221 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:302 15:1 24:625 26:1 32:6 38:9 44:2 53:2 55:1 57:9 61:60 62:126 63:1637 64:1200 65:43 66:111 91:1 128:33 129:231 130:20 131:31 132:9 133:4 134:104 135:8 136:123 137:144 138:189 139:51 140:102 141:138 142:58 143:38 144:126 145:11 146:132 147:90 148:120 149:115 150:23 151:331 152:959 153:62 154:76 155:71 156:15 157:108 158:56 159:56 160:18 161:57 162:61 163:125 164:105 165:101 166:174 167:82 168:69 169:30 170:207 171:2 192:5419 193:1822 194:2013 195:756 196:394 198:3749 199:3419 200:1810 202:2448 203:5211 204:3572 205:2461 206:2817 207:2997 208:2881 209:3419 210:382 211:136 212:817 213:305 214:8 215:11 216:2747 217:97 End of report