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 10 Aug, 2001 Analysis Summary ---------------- BGP routing table entries examined: 106745 Origin ASes present in the Internet Routing Table: 11395 Origin ASes announcing only one prefix: 4165 Transit ASes present in the Internet Routing Table: 1480 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 17 Illegal AS announcements present in the Routing Table: 50 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 16 Number of addresses announced to Internet: 1221779990 Equivalent to 72 /8s, 210 /16s and 226 /24s Percentage of available address space announced: 33.0 Percentage of allocated address space announced: 63.5 Percentage of available address space allocated: 51.9 Total number of prefixes smaller than registry allocations: 72999 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 15952 Prefixes being announced from the APNIC address blocks: 14320 APNIC Region origin ASes present in the Internet Routing Table: 1341 APNIC Region origin ASes announcing only one prefix: 449 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: 14 Number of APNIC addresses announced to Internet: 75951605 Equivalent to 4 /8s, 134 /16s and 237 /24s Percentage of available APNIC address space announced: 74.7 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: 73296 Prefixes being announced from the ARIN address blocks: 53107 ARIN Region origin ASes present in the Internet Routing Table: 6855 ARIN Region origin ASes announcing only one prefix: 2031 ARIN Region transit ASes present in the Internet Routing Table: 695 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 202813450 Equivalent to 12 /8s, 22 /16s and 176 /24s Percentage of available ARIN address space announced: 75.6 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, 68/8, 199/8, 200/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 17492 Prefixes being announced from the RIPE address blocks: 13639 RIPE Region origin ASes present in the Internet Routing Table: 3206 RIPE Region origin ASes announcing only one prefix: 1685 RIPE Region transit ASes present in the Internet Routing Table: 570 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 104893563 Equivalent to 6 /8s, 64 /16s and 140 /24s Percentage of available RIPE address space announced: 69.5 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 1595 1315 Telstra Pty Ltd 2764 437 361 connect.com.au pty ltd 703 405 365 UUNET Technologies, Inc. 2907 365 1783 SINET Japan 4755 297 163 Videsh Sanchar Nigam Ltd. Aut 4134 238 1698 Data Communications Bureau 7474 238 292 Optus Communications Pty Ltd 4740 210 26 OzEmail ISP 7539 200 160 TANet2, sponsored by NSC, TAI 4766 177 1336 Korea Internet Exchange for " 7545 150 25 TPG Internet Pty Ltd 9443 143 39 Primus Telecommunications 4786 132 17 NetConnect Communications Pty 4763 120 69 Telstra New Zealand 17561 116 167 Internet service provision to 4713 115 886 NTT Communications Corporatio 9583 114 61 Satyam Infoway Ltd., 7586 112 17 Paradox Digital Pty Ltd 4812 110 278 China Telecom (Group) 7657 110 22 The Internet Group Limited RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 692 1746 UUNET Technologies, Inc. 3301 431 918 TeliaNet Sweden 15870 406 12 Global Center Frankfurt 1257 280 521 SWIPnet Swedish IP Network 1270 236 865 UUNET Germany 3215 233 497 France Telecom / &Equant 680 229 2069 DFN-IP service G-WiN 15878 201 8 Global Center Paris 786 184 1890 The JANET IP Service 3320 183 1940 Deutsche Telekom AG 719 180 291 LANLINK autonomous system 5515 175 654 Sonera Finland Autonomous Sys 8708 152 15 Romania Data Systems S.A. 5400 137 66 Concert European Core Network 3303 132 576 Swisscom Ltd 2856 126 776 BTnet UK Regional network 8503 124 3 PCNET - PCNET DATA Network 5549 122 66 Nextra Deutschland GmbH + Co. 517 119 271 KPNQwest Germany GmbH 5511 111 170 France Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2301 8103 UUNET Technologies, Inc. 7018 993 7069 AT&T 1 884 8688 BBN Planet 3908 883 627 Supernet, Inc. 7046 863 1005 UUNET Technologies, Inc. 2551 798 656 ICG NetAhead, Inc 1239 683 3217 Sprint 2914 509 2296 Verio, Inc. 690 491 76 Merit Network 4293 489 99 Cable & Wireless USA 209 468 2136 Qwest 3561 411 2381 Cable & Wireless USA 2548 392 1009 Business Internet, Inc. 2149 383 296 Performance Systems, Inc. 18994 370 10 Global Crossing 3549 361 818 Global Crossing 577 349 617 Bell Advanced Communications 4323 348 318 Time Warner Communications, I 11371 340 100 Rhythms NetConnections 3967 337 456 Exodus Communication Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2301 8103 UUNET Technologies, Inc. 1221 1595 1315 Telstra Pty Ltd 7018 993 7069 AT&T 1 884 8688 BBN Planet 3908 883 627 Supernet, Inc. 7046 863 1005 UUNET Technologies, Inc. 2551 798 656 ICG NetAhead, Inc 702 692 1746 UUNET Technologies, Inc. 1239 683 3217 Sprint 2914 509 2296 Verio, Inc. 690 491 76 Merit Network 4293 489 99 Cable & Wireless USA 209 468 2136 Qwest 2764 437 361 connect.com.au pty ltd 3301 431 918 TeliaNet Sweden 3561 411 2381 Cable & Wireless USA 15870 406 12 Global Center Frankfurt 703 405 365 UUNET Technologies, Inc. 2548 392 1009 Business Internet, Inc. 2149 383 296 Performance Systems, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.40.0/21 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.48.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.72.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.108.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc. 6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw 65501 PRIVATE 64.243.116.0/24 16890 K&G Network Services 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 64842 PRIVATE 161.217.144.0/24 7046 UUNET Technologies, 64842 PRIVATE 161.217.145.0/24 7046 UUNET Technologies, 6971 UNALLOCATED 192.103.229.0/24 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.230.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.232.0/22 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.236.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 192.103.237.0/24 2516 Kokusai Denshin Denw 65460 PRIVATE 192.231.11.0/24 7018 AT&T 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 9501 UNALLOCATED 202.53.96.0/24 17443 International Intern 9501 UNALLOCATED 202.53.96.0/20 17443 International Intern 9501 UNALLOCATED 202.53.97.0/24 17443 International Intern 9501 UNALLOCATED 202.53.98.0/24 17443 International Intern 9501 UNALLOCATED 202.53.99.0/24 17443 International Intern 9501 UNALLOCATED 202.53.100.0/24 17443 International Intern 9501 UNALLOCATED 202.53.101.0/24 17443 International Intern 9501 UNALLOCATED 202.53.102.0/24 17443 International Intern 4834 UNALLOCATED 202.74.192.0/20 4648 Netgate 17657 UNALLOCATED 202.161.160.0/20 9653 Transit link for Hon 4831 UNALLOCATED 202.172.32.0/20 9740 Cable & Wireless Net 6971 UNALLOCATED 206.58.248.0/22 2516 Kokusai Denshin Denw 6971 UNALLOCATED 206.58.248.0/21 2516 Kokusai Denshin Denw 6971 UNALLOCATED 206.58.252.0/23 2914 Verio, Inc. 6971 UNALLOCATED 206.58.254.0/23 2914 Verio, Inc. 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS 6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.192.0/21 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.192.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.200.0/23 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.202.0/23 2914 Verio, Inc. 6971 UNALLOCATED 216.174.204.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.174.208.0/20 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.174.232.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.174.240.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.128.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 82.105.0.0/16 3269 TELECOM ITALIA 82.105.128.0/17 3269 TELECOM ITALIA 128.65.0.0/16 3463 ACES Research Inc 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 400 Headquarters Standard Systems 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 DISA NETWORK SERVICES 172.32.1.0/25 1221 Telstra Pty Ltd 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 /8:18 /9:5 /10:6 /11:11 /12:32 /13:84 /14:221 /15:367 /16:6930 /17:1198 /18:2277 /19:6805 /20:5606 /21:4606 /22:6870 /23:8705 /24:60660 /25:328 /26:389 /27:417 /28:416 /29:353 /30:337 /31:2 /32:102 Number of /24s announced per /8 block (Global) ---------------------------------------------- 9:3 12:396 13:10 15:1 17:6 20:2 24:661 26:1 32:35 38:7 43:1 44:2 53:2 55:1 57:13 61:63 62:138 63:1895 64:1328 65:552 66:404 80:33 128:42 129:102 130:21 131:45 132:12 133:1 134:169 135:10 136:22 137:127 138:218 139:49 140:133 141:158 142:65 143:41 144:141 145:11 146:147 147:137 148:202 149:93 150:35 151:212 152:418 153:31 154:24 155:77 156:80 157:114 158:72 159:65 160:47 161:148 162:64 163:153 164:145 165:91 166:185 167:136 168:116 169:34 170:275 171:2 192:5389 193:1913 194:2055 195:832 196:408 198:3708 199:3382 200:2365 201:1 202:2738 203:4611 204:3527 205:2373 206:2953 207:2891 208:3085 209:3057 210:520 211:126 212:791 213:453 214:8 215:13 216:3047 217:388 218:2 End of report