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 22 Jun, 2001 Analysis Summary ---------------- BGP routing table entries examined: 105195 Origin ASes present in the Internet Routing Table: 11133 Origin ASes announcing only one prefix: 4062 Transit ASes present in the Internet Routing Table: 1482 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 16 Illegal AS announcements present in the Routing Table: 27 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 15 Number of addresses announced to Internet: 1220402161 Equivalent to 72 /8s, 189 /16s and 219 /24s Percentage of available address space announced: 32.9 Percentage of allocated address space announced: 64.0 Percentage of available address space allocated: 51.5 Total number of prefixes smaller than registry allocations: 71844 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15442 Prefixes being announced from the APNIC address blocks: 14005 APNIC Region origin ASes present in the Internet Routing Table: 1289 APNIC Region origin ASes announcing only one prefix: 458 APNIC Region transit ASes present in the Internet Routing Table: 216 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 71557800 Equivalent to 4 /8s, 67 /16s and 226 /24s Percentage of available APNIC address space announced: 70.4 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: 72755 Prefixes being announced from the ARIN address blocks: 52069 ARIN Region origin ASes present in the Internet Routing Table: 6753 ARIN Region origin ASes announcing only one prefix: 1998 ARIN Region transit ASes present in the Internet Routing Table: 705 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 200204129 Equivalent to 11 /8s, 238 /16s and 223 /24s Percentage of available ARIN address space announced: 79.6 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, 21504 - 22527 ARIN Address Blocks 24/8, 63/8, 64/6, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 16987 Prefixes being announced from the RIPE address blocks: 13080 RIPE Region origin ASes present in the Internet Routing Table: 3100 RIPE Region origin ASes announcing only one prefix: 1606 RIPE Region transit ASes present in the Internet Routing Table: 562 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 100623525 Equivalent to 5 /8s, 255 /16s and 100 /24s Percentage of available RIPE address space announced: 66.6 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 /20 equiv Description 1221 1745 1348 Telstra 2764 452 329 connect.com.au pty ltd 703 383 380 UUNET Technologies, Inc. 2907 367 1783 SINET Japan 4755 340 185 VSNL India 7474 230 275 Optus Communications 4134 220 1441 Data Communications Bureau 7539 209 183 TANet2, sponsored by NSC, TAI 4766 179 1258 KORnet Powered BY Korea Telec 7545 148 23 TPG Internet Pty Ltd 7657 134 24 The Internet Group Limited 9443 132 38 INTERNETPRIMUS-AS-A 4786 125 15 NetConnect Communications Pty 4740 120 16 Ozemail 4763 117 85 Telstra New Zealand 9583 115 59 Satyam Infoway Ltd., 17561 115 151 Internet service provision to 7586 113 17 Paradox Digital Pty. Ltd 4713 107 869 NTT-OCNET 9797 104 32 Asia Online Australia RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 655 1765 UUNET Technologies, Inc. 15870 432 8 Global Center Frankfurt 3301 412 917 TeliaNet Sweden 1257 282 504 Swipnet AB 1270 260 871 UUNET Germany 680 229 2053 Deutschef Forschurgsnetz 15878 216 8 Global Center Paris 3215 204 494 RAIN 786 185 1904 JANET IP Service 719 183 291 LANLINK 5515 174 654 Sonera Finland 3320 166 1410 Deutsche Telekom AG 8708 139 14 Romania Data System 5400 138 68 Concert Internet Plus Europea 3303 130 576 Swisscom 517 127 272 Xlink 2856 120 776 BTnet UK Regional network 1267 100 1954 IUnet S.p.A 1290 96 406 PSINet UK Ltd. 3269 91 663 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2445 8051 UUNET Technologies, Inc. 7018 939 6980 AT&T 1 932 8826 BBN Planet 7046 777 1094 UUNET Technologies, Inc. 3491 675 392 CAIS Internet 1239 658 3218 Sprint ICM-Inria 2914 554 2348 Verio, Inc. 690 544 76 Merit Network 3561 543 2458 Cable & Wireless USA 4293 495 101 Cable & Wireless USA 209 468 1854 Qwest 18994 460 11 Global Crossing 2548 416 997 Digital Express Group, Inc. 2149 408 409 Performance Systems, Inc. 3908 403 565 Supernet, Inc. 3549 398 1041 Global Crossing 5106 358 136 Ameritech Advanced Data Servi 4323 344 314 Time Warner Communications, I 11371 335 100 Rhythms NetConnections 15290 333 429 AT&T Canada IES Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2445 8051 UUNET Technologies, Inc. 1221 1745 1348 Telstra 7018 939 6980 AT&T 1 932 8826 BBN Planet 7046 777 1094 UUNET Technologies, Inc. 3491 675 392 CAIS Internet 1239 658 3218 Sprint ICM-Inria 702 655 1765 UUNET Technologies, Inc. 2914 554 2348 Verio, Inc. 690 544 76 Merit Network 3561 543 2458 Cable & Wireless USA 4293 495 101 Cable & Wireless USA 209 468 1854 Qwest 18994 460 11 Global Crossing 2764 452 329 connect.com.au pty ltd 15870 432 8 Global Center Frankfurt 2548 416 997 Digital Express Group, Inc. 3301 412 917 TeliaNet Sweden 2149 408 409 Performance Systems, Inc. 3908 403 565 Supernet, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65530 PRIVATE 63.188.0.0/20 4999 Sprint 65530 PRIVATE 63.188.0.0/18 4999 Sprint 65530 PRIVATE 63.188.48.0/20 4999 Sprint 65530 PRIVATE 63.188.64.0/20 4999 Sprint 65530 PRIVATE 63.188.64.0/18 4999 Sprint 65530 PRIVATE 63.188.112.0/20 4999 Sprint 65530 PRIVATE 63.188.128.0/20 4999 Sprint 65530 PRIVATE 63.188.128.0/18 4999 Sprint 65530 PRIVATE 63.188.176.0/20 4999 Sprint 578 UNALLOCATED 64.230.242.0/27 577 Bell Canada 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 5962 UNALLOCATED 192.41.249.0/24 721 DLA Systems Automati 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, 9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation 9700 UNALLOCATED 203.255.208.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.209.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.210.0/24 3786 DACOM Corporation 9700 UNALLOCATED 203.255.211.0/24 3786 DACOM Corporation 5954 UNALLOCATED 204.130.191.0/24 721 DLA Systems Automati 64666 PRIVATE 206.35.144.0/22 7923 Unwired Planet 5979 UNALLOCATED 206.197.206.0/24 721 DLA Systems Automati 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 64666 PRIVATE 208.232.188.0/22 7923 Unwired Planet Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 128.65.0.0/16 3463 ACES Research Inc 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 7170 AT&T Government Markets 135.0.0.0/13 10455 Lucent Technologies 137.0.0.0/13 568 DISO-UNRRA 138.94.0.0/16 1 BBN Planet 144.7.0.0/16 701 UUNET Technologies, Inc. 153.34.0.0/15 701 UUNET Technologies, Inc. 153.36.0.0/14 701 UUNET Technologies, Inc. 154.150.0.0/16 6494 IDCI 158.0.0.0/13 568 DISO-UNRRA 164.233.0.0/16 6020 * 172.32.1.0/25 1221 Telstra 172.122.0.0/16 701 UUNET Technologies, Inc. 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 /8:19 /9:5 /10:6 /11:9 /12:32 /13:78 /14:210 /15:353 /16:6900 /17:1181 /18:2186 /19:6768 /20:5294 /21:4507 /22:6787 /23:8683 /24:59904 /25:268 /26:354 /27:435 /28:454 /29:369 /30:309 /31:1 /32:83 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1597 2445 UUNET Technologies, Inc. 1221 1588 1745 Telstra 3491 650 675 CAIS Internet 7046 613 777 UUNET Technologies, Inc. 690 541 544 Merit Network 4293 478 495 Cable & Wireless USA 18994 458 460 Global Crossing 7018 450 939 AT&T 1 438 932 BBN Planet 15870 430 432 Global Center Frankfurt 702 413 655 UUNET Technologies, Inc. 2764 408 452 connect.com.au pty ltd 209 349 468 Qwest 5106 347 358 Ameritech Advanced Data Servi 1239 335 658 Sprint ICM-Inria 3561 334 543 Cable & Wireless USA 11371 322 335 Rhythms NetConnections 18993 320 323 Global Crossing 703 313 383 UUNET Technologies, Inc. 2548 305 416 Digital Express Group, Inc. Advertised prefixes smaller than registry allocations (per /8 block) -------------------------------------------------------------------- 4:1 6:12 9:6 12:568 13:13 15:9 17:13 20:2 24:858 26:1 32:33 35:4 38:572 40:2 44:11 47:38 52:2 53:4 55:1 56:5 57:15 61:87 62:196 63:2501 64:2832 65:1033 66:719 80:12 128:61 129:197 130:62 131:63 132:40 133:1 134:235 135:16 136:29 137:175 138:278 139:84 140:248 141:225 142:147 143:99 144:94 145:31 146:187 147:177 148:208 149:174 150:61 151:261 152:1117 153:37 154:25 155:141 156:75 157:153 158:102 159:104 160:71 161:131 162:161 163:216 164:179 165:286 166:258 167:150 168:199 169:55 170:432 171:20 172:1 192:31 193:2560 194:2716 195:1031 196:4 198:7 199:3931 200:2731 202:3700 203:5973 204:4341 205:2933 206:4159 207:3815 208:5175 209:4169 210:775 211:282 212:1161 213:590 216:4754 217:390 218:2 End of report