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 05 Oct, 2001 Analysis Summary ---------------- BGP routing table entries examined: 109173 Origin ASes present in the Internet Routing Table: 11828 Origin ASes announcing only one prefix: 4342 Transit ASes present in the Internet Routing Table: 1528 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: 70 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: 1258644271 Equivalent to 75 /8s, 5 /16s and 99 /24s Percentage of available address space announced: 34.0 Percentage of allocated address space announced: 65.4 Percentage of available address space allocated: 51.9 Total number of prefixes smaller than registry allocations: 73973 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16423 Prefixes being announced from the APNIC address blocks: 14867 APNIC Region origin ASes present in the Internet Routing Table: 1381 APNIC Region origin ASes announcing only one prefix: 459 APNIC Region transit ASes present in the Internet Routing Table: 234 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 81201752 Equivalent to 4 /8s, 215 /16s and 10 /24s Percentage of available APNIC address space announced: 79.8 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: 75127 Prefixes being announced from the ARIN address blocks: 53630 ARIN Region origin ASes present in the Internet Routing Table: 7110 ARIN Region origin ASes announcing only one prefix: 2114 ARIN Region transit ASes present in the Internet Routing Table: 710 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 232748348 Equivalent to 13 /8s, 223 /16s and 117 /24s Percentage of available ARIN address space announced: 86.7 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: 17617 Prefixes being announced from the RIPE address blocks: 14020 RIPE Region origin ASes present in the Internet Routing Table: 3345 RIPE Region origin ASes announcing only one prefix: 1769 RIPE Region transit ASes present in the Internet Routing Table: 586 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 108070239 Equivalent to 6 /8s, 113 /16s and 5 /24s Percentage of available RIPE address space announced: 71.6 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 1616 1313 Telstra Pty Ltd 2764 412 374 connect.com.au pty ltd 703 398 372 UUNET Technologies, Inc. 2907 369 1847 SINET Japan 4755 292 160 Videsh Sanchar Nigam Ltd. Aut 7474 246 274 Optus Communications Pty Ltd 4134 235 1805 Data Communications Bureau 4740 186 23 OzEmail ISP 4766 182 1466 Korea Internet Exchange for " 7539 180 186 TANet2, sponsored by NSC, TAI 9443 158 53 Primus Telecommunications 4786 127 17 NetConnect Communications Pty 7545 125 23 TPG Internet Pty Ltd 9768 123 378 Korea Telecom 4763 122 69 Telstra New Zealand 17557 122 8 Pakistan Telecom 2521 119 170 PSINet Japan 9583 118 60 Satyam Infoway Ltd., 4713 117 885 NTT Communications Corporatio 17561 116 167 Internet service provision to RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 890 1988 UUNET Technologies, Inc. 3301 440 937 TeliaNet Sweden 1257 273 512 SWIPnet Swedish IP Network 680 242 2340 DFN-IP service G-WiN 3215 232 515 France Telecom / &Equant 5515 193 687 Sonera Finland Autonomous Sys 3320 188 1942 Deutsche Telekom AG 786 185 1890 The JANET IP Service 8708 155 16 Romania Data Systems S.A. 15870 144 10 Global Center Frankfurt 5400 141 65 Concert European Core Network 719 137 288 LANLINK autonomous system 1270 137 717 UUNET Germany 3303 129 560 Swisscom Ltd 2856 127 776 BTnet UK Regional network 5549 127 67 Nextra Deutschland GmbH + Co. 15878 123 9 Global Center Paris 517 113 253 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 2256 9112 UUNET Technologies, Inc. 3908 1143 1545 Supernet, Inc. 7018 1065 7232 AT&T 1 877 8623 BBN Planet 7046 810 1005 UUNET Technologies, Inc. 1239 757 3373 Sprint 3967 616 470 Exodus Communication 209 562 2235 Qwest 690 514 80 Merit Network 2914 496 2287 Verio, Inc. 4293 457 112 Cable & Wireless USA 3561 410 2373 Cable & Wireless USA 705 399 82 UUNET Technologies, Inc. 721 394 4407 DLA Systems Automation Center 2548 389 1007 Business Internet, Inc. 3549 372 835 Global Crossing 2149 361 263 Performance Systems, Inc. 4323 352 355 Time Warner Communications, I 577 351 620 Bell Advanced Communications 3741 347 773 The Internet Solution Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2256 9112 UUNET Technologies, Inc. 1221 1616 1313 Telstra Pty Ltd 3908 1143 1545 Supernet, Inc. 7018 1065 7232 AT&T 702 890 1988 UUNET Technologies, Inc. 1 877 8623 BBN Planet 7046 810 1005 UUNET Technologies, Inc. 1239 757 3373 Sprint 3967 616 470 Exodus Communication 209 562 2235 Qwest 690 514 80 Merit Network 2914 496 2287 Verio, Inc. 4293 457 112 Cable & Wireless USA 3301 440 937 TeliaNet Sweden 2764 412 374 connect.com.au pty ltd 3561 410 2373 Cable & Wireless USA 705 399 82 UUNET Technologies, Inc. 703 398 372 UUNET Technologies, Inc. 721 394 4407 DLA Systems Automation Center 2548 389 1007 Business Internet, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 22153 UNALLOCATED 63.167.108.0/24 1239 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 64.42.16.0/20 2914 Verio, Inc. 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 64.42.56.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.64.0/21 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 64.42.104.0/22 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 22153 UNALLOCATED 65.161.192.0/24 1239 Sprint 22153 UNALLOCATED 65.165.127.0/24 1239 Sprint 65000 PRIVATE 138.163.4.0/24 665 Department of Navy 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 64512 PRIVATE 161.132.234.0/24 8143 Publicom Corp. 22153 UNALLOCATED 168.215.234.0/23 22026 Time Warner Telecom 22153 UNALLOCATED 168.215.236.0/23 22026 Time Warner Telecom 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 22290 UNALLOCATED 198.140.161.0/24 2914 Verio, Inc. 5555 UNALLOCATED 199.10.190.0/24 721 DLA Systems Automati 22290 UNALLOCATED 199.217.152.0/24 2914 Verio, Inc. 22290 UNALLOCATED 199.217.187.0/24 2914 Verio, Inc. 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 22290 UNALLOCATED 205.159.194.0/24 2914 Verio, Inc. 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 2914 Verio, Inc. 22075 UNALLOCATED 209.39.134.0/24 2914 Verio, Inc. 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 216.174.202.0/24 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 216.174.240.0/21 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 216.210.140.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.144.0/20 2914 Verio, Inc. 6971 UNALLOCATED 216.210.160.0/21 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 216.210.200.0/22 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 216.210.240.0/20 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 /8:18 /9:5 /10:8 /11:12 /12:33 /13:87 /14:226 /15:387 /16:7114 /17:1269 /18:2372 /19:6986 /20:5899 /21:4800 /22:7078 /23:9078 /24:62286 /25:306 /26:326 /27:251 /28:251 /29:150 /30:173 /31:1 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1469 1616 Telstra Pty Ltd 701 1434 2256 UUNET Technologies, Inc. 3908 868 1143 Supernet, Inc. 7046 634 810 UUNET Technologies, Inc. 702 603 890 UUNET Technologies, Inc. 7018 561 1065 AT&T 690 511 514 Merit Network 4293 443 457 Cable & Wireless USA 3967 436 616 Exodus Communication 1 422 877 BBN Planet 1239 421 757 Sprint 209 400 562 Qwest 2764 366 412 connect.com.au pty ltd 705 348 399 UUNET Technologies, Inc. 703 327 398 UUNET Technologies, Inc. 5106 319 338 Ameritech Advanced Data Servi 4151 300 342 USDA 11371 299 310 Rhythms NetConnections 4323 294 352 Time Warner Communications, I 2548 280 389 Business Internet, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:6 9:1 12:417 13:10 15:1 17:5 20:1 24:800 25:1 26:1 32:74 38:14 43:4 44:2 53:2 57:15 61:100 62:145 63:1936 64:1306 65:810 66:468 67:32 80:65 128:52 129:111 130:19 131:44 132:39 133:2 134:127 135:12 136:92 137:92 138:153 139:49 140:176 141:195 142:57 143:39 144:152 145:30 146:146 147:129 148:83 149:87 150:38 151:179 152:396 153:48 154:18 155:83 156:96 157:111 158:74 159:69 160:48 161:61 162:71 163:146 164:101 165:98 166:195 167:154 168:129 169:38 170:270 171:2 192:5615 193:1967 194:2060 195:848 196:452 198:4114 199:3892 200:2374 201:1 202:2838 203:4577 204:3386 205:2214 206:2920 207:2623 208:3126 209:3164 210:572 211:137 212:864 213:518 214:9 215:14 216:3084 217:388 218:2 End of report