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 Jul, 2001 Analysis Summary ---------------- BGP routing table entries examined: 103233 Origin ASes present in the Internet Routing Table: 11185 Origin ASes announcing only one prefix: 4127 Transit ASes present in the Internet Routing Table: 1520 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 17 Illegal AS announcements present in the Routing Table: 20 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 13 Number of addresses announced to Internet: 1219205911 Equivalent to 72 /8s, 171 /16s and 155 /24s Percentage of available address space announced: 32.9 Percentage of allocated address space announced: 63.9 Percentage of available address space allocated: 51.5 Total number of prefixes smaller than registry allocations: 69965 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15010 Prefixes being announced from the APNIC address blocks: 13571 APNIC Region origin ASes present in the Internet Routing Table: 1289 APNIC Region origin ASes announcing only one prefix: 473 APNIC Region transit ASes present in the Internet Routing Table: 224 Average APNIC Region AS path length visible: 5.8 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 71158591 Equivalent to 4 /8s, 61 /16s and 203 /24s Percentage of available APNIC address space announced: 70.0 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: 71367 Prefixes being announced from the ARIN address blocks: 51264 ARIN Region origin ASes present in the Internet Routing Table: 6783 ARIN Region origin ASes announcing only one prefix: 2004 ARIN Region transit ASes present in the Internet Routing Table: 719 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 199350017 Equivalent to 11 /8s, 225 /16s and 215 /24s Percentage of available ARIN address space announced: 79.2 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: 16856 Prefixes being announced from the RIPE address blocks: 12951 RIPE Region origin ASes present in the Internet Routing Table: 3124 RIPE Region origin ASes announcing only one prefix: 1650 RIPE Region transit ASes present in the Internet Routing Table: 576 Average RIPE Region AS path length visible: 6.3 Max RIPE Region AS path length visible: 17 Number of RIPE addresses announced to Internet: 100222080 Equivalent to 5 /8s, 249 /16s and 68 /24s Percentage of available RIPE address space announced: 66.4 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 1557 1309 Telstra 2764 435 345 connect.com.au pty ltd 703 385 382 UUNET Technologies, Inc. 2907 368 1783 SINET Japan 4755 285 165 VSNL India 7474 237 293 Optus Communications 4134 217 1555 Data Communications Bureau 4766 175 1242 KORnet Powered BY Korea Telec 7539 155 175 TANet2, sponsored by NSC, TAI 4786 145 16 NetConnect Communications Pty 7545 142 21 TPG Internet Pty Ltd 9443 132 38 INTERNETPRIMUS-AS-A 4740 117 16 Ozemail 7586 116 18 Paradox Digital Pty. Ltd 7657 115 22 The Internet Group Limited 17561 115 151 Internet service provision to 9583 111 60 Satyam Infoway Ltd., 4713 107 869 NTT-OCNET 4732 106 358 DDI Corporation 9797 103 32 Asia Online Australia RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 656 1828 UUNET Technologies, Inc. 3301 427 918 TeliaNet Sweden 15870 427 12 Global Center Frankfurt 1257 278 504 Swipnet AB 1270 257 870 UUNET Germany 680 230 2053 Deutschef Forschurgsnetz 3215 214 495 RAIN 15878 212 8 Global Center Paris 719 186 291 LANLINK 786 184 1904 JANET IP Service 5515 175 654 Sonera Finland 3320 171 1410 Deutsche Telekom AG 8708 147 15 Romania Data System 5400 133 68 Concert Internet Plus Europea 3303 129 576 Swisscom 517 126 272 Xlink 2856 120 776 BTnet UK Regional network 1267 101 1970 IUnet S.p.A 1290 98 406 PSINet UK Ltd. 3269 92 664 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2450 8067 UUNET Technologies, Inc. 7018 960 7056 AT&T 1 835 8720 BBN Planet 7046 739 1089 UUNET Technologies, Inc. 1239 655 3289 Sprint ICM-Inria 690 549 79 Merit Network 2914 518 2314 Verio, Inc. 4293 497 101 Cable & Wireless USA 209 474 1876 Qwest 3561 454 2404 Cable & Wireless USA 3491 440 378 CAIS Internet 705 424 62 UUNET Technologies, Inc. 2149 417 378 Performance Systems, Inc. 2548 412 980 Digital Express Group, Inc. 18994 410 10 Global Crossing 3908 406 582 Supernet, Inc. 3549 348 813 Global Crossing 3967 337 455 Exodus Communication 11371 331 99 Rhythms NetConnections 15290 324 358 AT&T Canada IES Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2450 8067 UUNET Technologies, Inc. 1221 1557 1309 Telstra 7018 960 7056 AT&T 1 835 8720 BBN Planet 7046 739 1089 UUNET Technologies, Inc. 702 656 1828 UUNET Technologies, Inc. 1239 655 3289 Sprint ICM-Inria 690 549 79 Merit Network 2914 518 2314 Verio, Inc. 4293 497 101 Cable & Wireless USA 209 474 1876 Qwest 3561 454 2404 Cable & Wireless USA 3491 440 378 CAIS Internet 2764 435 345 connect.com.au pty ltd 3301 427 918 TeliaNet Sweden 15870 427 12 Global Center Frankfurt 705 424 62 UUNET Technologies, Inc. 2149 417 378 Performance Systems, Inc. 2548 412 980 Digital Express Group, Inc. 18994 410 10 Global Crossing List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 17675 UNALLOCATED 61.211.160.0/20 3549 Global Crossing 17682 UNALLOCATED 61.213.16.0/20 4713 NTT-OCNET 17682 UNALLOCATED 61.213.32.0/21 4713 NTT-OCNET 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, 17674 UNALLOCATED 202.6.156.0/22 9225 Level 3 Communicatio 9700 UNALLOCATED 202.30.50.0/23 3786 DACOM Corporation 17657 UNALLOCATED 202.161.160.0/20 9653 AGNS HongKong NET 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 5979 UNALLOCATED 206.197.206.0/24 721 DLA Systems Automati 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 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 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 /14:212 /15:352 /16:6895 /17:1180 /18:2170 /19:6702 /20:5326 /21:4471 /22:6719 /23:8465 /24:58814 /25:169 /26:262 /27:352 /28:366 /29:309 /30:282 /31:1 /32:37 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1585 2450 UUNET Technologies, Inc. 1221 1405 1557 Telstra 7046 572 739 UUNET Technologies, Inc. 690 546 549 Merit Network 4293 480 497 Cable & Wireless USA 7018 469 960 AT&T 15870 423 427 Global Center Frankfurt 3491 415 440 CAIS Internet 702 410 656 UUNET Technologies, Inc. 18994 408 410 Global Crossing 2764 390 435 connect.com.au pty ltd 705 385 424 UUNET Technologies, Inc. 1 354 835 BBN Planet 209 350 474 Qwest 1239 336 655 Sprint ICM-Inria 11371 318 331 Rhythms NetConnections 703 314 385 UUNET Technologies, Inc. 18993 312 316 Global Crossing 2548 304 412 Digital Express Group, Inc. 3908 303 406 Supernet, Inc. Advertised prefixes smaller than registry allocations (per /8 block) -------------------------------------------------------------------- 4:1 6:12 9:6 12:568 13:13 15:11 17:13 20:4 24:840 26:1 32:34 35:2 38:358 40:2 43:4 44:11 45:1 47:38 52:2 53:4 55:1 56:5 57:14 61:109 62:188 63:2491 64:2670 65:1205 66:733 80:15 128:60 129:201 130:54 131:63 132:40 133:1 134:235 135:12 136:36 137:176 138:278 139:84 140:194 141:225 142:113 143:98 144:179 145:31 146:192 147:178 148:204 149:131 150:60 151:265 152:812 153:38 154:4 155:145 156:94 157:154 158:100 159:102 160:81 161:134 162:162 163:221 164:169 165:238 166:255 167:155 168:201 169:53 170:434 171:20 172:1 192:15 193:2573 194:2683 195:980 198:4 199:3845 200:2693 202:3667 203:5649 204:4348 205:2896 206:3969 207:3668 208:5175 209:4051 210:719 211:255 212:1096 213:586 216:4638 217:413 218:3 End of report