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 28 Sep, 2001 Analysis Summary ---------------- BGP routing table entries examined: 108349 Origin ASes present in the Internet Routing Table: 11800 Origin ASes announcing only one prefix: 4354 Transit ASes present in the Internet Routing Table: 1502 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 23 Illegal AS announcements present in the Routing Table: 58 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 14 Number of addresses announced to Internet: 1231864162 Equivalent to 73 /8s, 108 /16s and 193 /24s Percentage of available address space announced: 33.2 Percentage of allocated address space announced: 64.0 Percentage of available address space allocated: 51.9 Total number of prefixes smaller than registry allocations: 73435 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16348 Prefixes being announced from the APNIC address blocks: 14759 APNIC Region origin ASes present in the Internet Routing Table: 1376 APNIC Region origin ASes announcing only one prefix: 461 APNIC Region transit ASes present in the Internet Routing Table: 227 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 80539954 Equivalent to 4 /8s, 204 /16s and 241 /24s Percentage of available APNIC address space announced: 79.2 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: 74504 Prefixes being announced from the ARIN address blocks: 52998 ARIN Region origin ASes present in the Internet Routing Table: 7110 ARIN Region origin ASes announcing only one prefix: 2139 ARIN Region transit ASes present in the Internet Routing Table: 709 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 208629299 Equivalent to 12 /8s, 111 /16s and 110 /24s Percentage of available ARIN address space announced: 77.7 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: 17486 Prefixes being announced from the RIPE address blocks: 13906 RIPE Region origin ASes present in the Internet Routing Table: 3323 RIPE Region origin ASes announcing only one prefix: 1754 RIPE Region transit ASes present in the Internet Routing Table: 568 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 107522335 Equivalent to 6 /8s, 104 /16s and 169 /24s Percentage of available RIPE address space announced: 71.2 RIPE AS Blocks 1877 - 1901, 2043, 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 1612 1313 Telstra Pty Ltd 2764 418 374 connect.com.au pty ltd 703 410 372 UUNET Technologies, Inc. 2907 369 1847 SINET Japan 4755 297 162 Videsh Sanchar Nigam Ltd. Aut 7474 241 274 Optus Communications Pty Ltd 4134 239 1808 Data Communications Bureau 7539 209 190 TANet2, sponsored by NSC, TAI 4740 183 23 OzEmail ISP 4766 181 1338 Korea Internet Exchange for " 9443 153 50 Primus Telecommunications 4786 127 17 NetConnect Communications Pty 17557 127 8 Pakistan Telecom 7545 125 23 TPG Internet Pty Ltd 9768 125 378 Korea Telecom 4763 122 69 Telstra New Zealand 9583 119 60 Satyam Infoway Ltd., 4713 117 885 NTT Communications Corporatio 17561 116 167 Internet service provision to 4808 105 192 CHINANET core WAN North RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 903 1955 UUNET Technologies, Inc. 3301 444 935 TeliaNet Sweden 1257 271 512 SWIPnet Swedish IP Network 680 242 2340 DFN-IP service G-WiN 3215 229 515 France Telecom / &Equant 5515 193 687 Sonera Finland Autonomous Sys 3320 188 1942 Deutsche Telekom AG 786 185 1890 The JANET IP Service 8708 158 16 Romania Data Systems S.A. 15870 149 11 Global Center Frankfurt 1270 147 734 UUNET Germany 719 137 288 LANLINK autonomous system 5400 137 64 Concert European Core Network 3303 130 560 Swisscom Ltd 15878 129 9 Global Center Paris 2856 126 774 BTnet UK Regional network 5549 126 67 Nextra Deutschland GmbH + Co. 517 111 253 KPNQwest Germany GmbH 1267 103 1988 Infostrada S.p.A. 12302 101 6 MobiFon S.A. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2252 8126 UUNET Technologies, Inc. 7018 1048 7150 AT&T 1 866 8638 BBN Planet 7046 816 1007 UUNET Technologies, Inc. 1239 735 3375 Sprint 3908 634 1380 Supernet, Inc. 3967 598 468 Exodus Communication 209 535 2216 Qwest 690 516 97 Merit Network 2914 500 2287 Verio, Inc. 4293 451 112 Cable & Wireless USA 3561 406 2326 Cable & Wireless USA 721 388 4422 DLA Systems Automation Center 2548 374 1005 Business Internet, Inc. 3549 371 820 Global Crossing 4323 362 361 Time Warner Communications, I 2149 358 246 Performance Systems, Inc. 577 354 636 Bell Advanced Communications 3741 352 776 The Internet Solution 705 350 71 UUNET Technologies, Inc. Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2252 8126 UUNET Technologies, Inc. 1221 1612 1313 Telstra Pty Ltd 7018 1048 7150 AT&T 702 903 1955 UUNET Technologies, Inc. 1 866 8638 BBN Planet 7046 816 1007 UUNET Technologies, Inc. 1239 735 3375 Sprint 3908 634 1380 Supernet, Inc. 3967 598 468 Exodus Communication 209 535 2216 Qwest 690 516 97 Merit Network 2914 500 2287 Verio, Inc. 4293 451 112 Cable & Wireless USA 3301 444 935 TeliaNet Sweden 2764 418 374 connect.com.au pty ltd 703 410 372 UUNET Technologies, Inc. 3561 406 2326 Cable & Wireless USA 721 388 4422 DLA Systems Automation Center 2548 374 1005 Business Internet, Inc. 3549 371 820 Global Crossing List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65530 PRIVATE 63.178.38.0/24 4999 Sprint 65530 PRIVATE 63.178.42.0/24 4999 Sprint 65530 PRIVATE 63.178.44.0/24 4999 Sprint 65530 PRIVATE 63.178.58.0/24 4999 Sprint 65530 PRIVATE 63.178.60.0/24 4999 Sprint 65530 PRIVATE 63.178.63.0/24 4999 Sprint 6971 UNALLOCATED 64.42.0.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.0.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 64.42.32.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.40.0/21 2914 Verio, Inc. 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 64.42.80.0/21 2914 Verio, Inc. 6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc. 6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw 578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun 65000 PRIVATE 138.163.4.0/24 665 Department of Navy 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 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 1877 UNALLOCATED 192.108.201.0/24 1880 Stupi, house man's p 5555 UNALLOCATED 192.156.8.0/24 721 DLA Systems Automati 5555 UNALLOCATED 192.156.41.0/24 721 DLA Systems Automati 65460 PRIVATE 192.231.11.0/24 7018 AT&T 5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati 22290 UNALLOCATED 199.217.152.0/24 1239 Sprint 22290 UNALLOCATED 199.217.187.0/24 1239 Sprint 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 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. 64803 PRIVATE 206.81.213.0/24 6225 US West Communicatio 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 22290 UNALLOCATED 207.150.139.0/24 1239 Sprint 22075 UNALLOCATED 209.39.134.0/24 209 Qwest 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 64803 PRIVATE 216.160.71.0/24 6225 US West Communicatio 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 216.174.200.0/21 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 216.210.128.0/18 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.210.128.0/17 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.210.144.0/20 2914 Verio, Inc. 6971 UNALLOCATED 216.210.176.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.184.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.216.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.224.0/20 2914 Verio, Inc. 6971 UNALLOCATED 216.229.96.0/20 2516 Kokusai Denshin Denw Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 128.65.0.0/16 3463 ACES Research Inc 132.0.0.0/10 568 DISO-UNRRA 134.137.0.0/16 400 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 164.235.0.0/16 6025 US DOD NIC Unregistered 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 /8:17 /9:5 /10:7 /11:12 /12:33 /13:86 /14:226 /15:386 /16:7074 /17:1239 /18:2345 /19:6934 /20:5827 /21:4746 /22:6976 /23:8882 /24:62009 /25:311 /26:326 /27:254 /28:254 /29:148 /30:183 /31:1 /32:68 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1465 1612 Telstra Pty Ltd 701 1421 2252 UUNET Technologies, Inc. 7046 639 816 UUNET Technologies, Inc. 702 615 903 UUNET Technologies, Inc. 7018 555 1048 AT&T 690 512 516 Merit Network 4293 437 451 Cable & Wireless USA 1 423 866 BBN Planet 3967 419 598 Exodus Communication 3908 417 634 Supernet, Inc. 1239 407 735 Sprint 209 374 535 Qwest 2764 372 418 connect.com.au pty ltd 703 339 410 UUNET Technologies, Inc. 5106 321 341 Ameritech Advanced Data Servi 6995 308 319 Bell Atlantic Internet Soluti 705 304 350 UUNET Technologies, Inc. 4323 303 362 Time Warner Communications, I 11371 301 313 Rhythms NetConnections 4151 279 321 USDA Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:6 9:1 12:419 13:10 15:1 17:5 20:1 24:817 25:1 26:1 32:73 38:12 43:3 44:2 53:2 55:1 57:15 61:92 62:144 63:1879 64:1325 65:740 66:466 67:2 80:60 128:50 129:108 130:19 131:51 132:39 133:2 134:139 135:10 136:93 137:92 138:217 139:45 140:197 141:198 142:57 143:39 144:152 145:13 146:146 147:129 148:83 149:87 150:37 151:324 152:372 153:45 154:16 155:85 156:92 157:111 158:74 159:68 160:48 161:60 162:67 163:148 164:100 165:98 166:193 167:150 168:118 169:40 170:280 171:2 192:5595 193:1960 194:2029 195:816 196:453 198:4058 199:3822 200:2530 201:1 202:2814 203:4558 204:3361 205:2209 206:2891 207:2588 208:3154 209:3096 210:559 211:143 212:856 213:514 214:8 215:13 216:3005 217:402 218:2 End of report