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 21 Sep, 2001 Analysis Summary ---------------- BGP routing table entries examined: 107292 Origin ASes present in the Internet Routing Table: 11683 Origin ASes announcing only one prefix: 4306 Transit ASes present in the Internet Routing Table: 1506 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: 83 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: 1220327874 Equivalent to 72 /8s, 188 /16s and 185 /24s Percentage of available address space announced: 32.9 Percentage of allocated address space announced: 63.4 Percentage of available address space allocated: 51.9 Total number of prefixes smaller than registry allocations: 73062 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16244 Prefixes being announced from the APNIC address blocks: 14648 APNIC Region origin ASes present in the Internet Routing Table: 1372 APNIC Region origin ASes announcing only one prefix: 463 APNIC Region transit ASes present in the Internet Routing Table: 228 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 80353253 Equivalent to 4 /8s, 202 /16s and 23 /24s Percentage of available APNIC address space announced: 79.0 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: 73531 Prefixes being announced from the ARIN address blocks: 52976 ARIN Region origin ASes present in the Internet Routing Table: 7020 ARIN Region origin ASes announcing only one prefix: 2100 ARIN Region transit ASes present in the Internet Routing Table: 698 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 209398865 Equivalent to 12 /8s, 123 /16s and 44 /24s Percentage of available ARIN address space announced: 78.0 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: 17513 Prefixes being announced from the RIPE address blocks: 13863 RIPE Region origin ASes present in the Internet Routing Table: 3312 RIPE Region origin ASes announcing only one prefix: 1743 RIPE Region transit ASes present in the Internet Routing Table: 580 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 107384727 Equivalent to 6 /8s, 102 /16s and 143 /24s Percentage of available RIPE address space announced: 71.1 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 1608 1314 Telstra Pty Ltd 2764 420 377 connect.com.au pty ltd 703 418 375 UUNET Technologies, Inc. 2907 367 1831 SINET Japan 4755 287 158 Videsh Sanchar Nigam Ltd. Aut 7474 241 274 Optus Communications Pty Ltd 4134 238 1800 Data Communications Bureau 7539 211 199 TANet2, sponsored by NSC, TAI 4740 187 23 OzEmail ISP 4766 178 1336 Korea Internet Exchange for " 9443 150 50 Primus Telecommunications 17557 130 9 Pakistan Telecom 4786 127 17 NetConnect Communications Pty 7545 125 23 TPG Internet Pty Ltd 4763 119 69 Telstra New Zealand 9768 119 362 Korea Telecom 9583 117 60 Satyam Infoway Ltd., 4713 116 884 NTT Communications Corporatio 17561 116 167 Internet service provision to 7586 111 17 Paradox Digital Pty Ltd RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 881 1965 UUNET Technologies, Inc. 3301 441 919 TeliaNet Sweden 1257 280 530 SWIPnet Swedish IP Network 680 237 2308 DFN-IP service G-WiN 3215 228 515 France Telecom / &Equant 5515 192 687 Sonera Finland Autonomous Sys 3320 186 1940 Deutsche Telekom AG 786 185 1890 The JANET IP Service 15870 179 11 Global Center Frankfurt 8708 156 16 Romania Data Systems S.A. 1270 146 734 UUNET Germany 15878 138 12 Global Center Paris 719 137 288 LANLINK autonomous system 5400 137 64 Concert European Core Network 3303 131 560 Swisscom Ltd 2856 126 774 BTnet UK Regional network 5549 126 67 Nextra Deutschland GmbH + Co. 517 116 270 KPNQwest Germany GmbH 1267 104 1990 Infostrada S.p.A. 12302 100 6 MobiFon S.A. ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2257 8309 UUNET Technologies, Inc. 7018 1055 7180 AT&T 3908 922 722 Supernet, Inc. 1 871 8638 BBN Planet 7046 801 989 UUNET Technologies, Inc. 1239 731 3326 Sprint 3967 602 473 Exodus Communication 209 537 2248 Qwest 690 502 80 Merit Network 2914 499 2240 Verio, Inc. 4293 466 113 Cable & Wireless USA 3561 407 2325 Cable & Wireless USA 2548 370 985 Business Internet, Inc. 3549 370 836 Global Crossing 2149 368 279 Performance Systems, Inc. 577 361 635 Bell Advanced Communications 4323 361 360 Time Warner Communications, I 2048 360 182 State of Louisiana 3741 352 776 The Internet Solution 705 341 55 UUNET Technologies, Inc. Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2257 8309 UUNET Technologies, Inc. 1221 1608 1314 Telstra Pty Ltd 7018 1055 7180 AT&T 3908 922 722 Supernet, Inc. 702 881 1965 UUNET Technologies, Inc. 1 871 8638 BBN Planet 7046 801 989 UUNET Technologies, Inc. 1239 731 3326 Sprint 3967 602 473 Exodus Communication 209 537 2248 Qwest 690 502 80 Merit Network 2914 499 2240 Verio, Inc. 4293 466 113 Cable & Wireless USA 3301 441 919 TeliaNet Sweden 2764 420 377 connect.com.au pty ltd 703 418 375 UUNET Technologies, Inc. 3561 407 2325 Cable & Wireless USA 2548 370 985 Business Internet, Inc. 3549 370 836 Global Crossing 2149 368 279 Performance Systems, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 22130 UNALLOCATED 4.18.195.0/24 3561 Cable & Wireless USA 22242 UNALLOCATED 12.14.215.0/24 7222 Southwestern Bell In 21048 UNALLOCATED 62.16.96.0/19 3216 SOVAM Teleport, Mosc 65534 PRIVATE 62.23.176.0/24 6675 Colt Telecommunicati 65534 PRIVATE 62.23.177.0/24 6675 Colt Telecommunicati 22299 UNALLOCATED 63.81.99.0/24 701 UUNET Technologies, 22299 UNALLOCATED 63.124.154.0/24 701 UUNET Technologies, 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 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 64.42.108.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.112.0/20 2914 Verio, Inc. 6971 UNALLOCATED 64.87.64.0/19 2516 Kokusai Denshin Denw 578 UNALLOCATED 64.230.242.16/28 577 Bell Advanced Commun 22091 UNALLOCATED 65.113.20.0/24 209 Qwest 22195 UNALLOCATED 65.116.137.0/24 209 Qwest 22299 UNALLOCATED 65.161.22.0/24 701 UUNET Technologies, 22299 UNALLOCATED 65.161.22.0/23 701 UUNET Technologies, 22299 UNALLOCATED 65.161.23.0/24 701 UUNET Technologies, 22326 UNALLOCATED 65.170.47.0/24 209 Qwest 22313 UNALLOCATED 66.96.52.0/22 7927 Global One Venezuela 21127 UNALLOCATED 80.89.128.0/20 20485 JSC Transtelecom 21127 UNALLOCATED 80.89.130.0/23 20485 JSC Transtelecom 21127 UNALLOCATED 80.89.132.0/22 20485 JSC Transtelecom 21127 UNALLOCATED 80.89.137.0/24 20485 JSC Transtelecom 21127 UNALLOCATED 80.89.138.0/23 20485 JSC Transtelecom 21127 UNALLOCATED 80.89.143.0/24 20485 JSC Transtelecom 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 65460 PRIVATE 192.231.11.0/24 7018 AT&T 22313 UNALLOCATED 196.27.8.0/22 7927 Global One Venezuela 22284 UNALLOCATED 198.183.146.0/23 701 UUNET Technologies, 22284 UNALLOCATED 198.246.64.0/19 701 UUNET Technologies, 22301 UNALLOCATED 199.171.142.0/24 6517 Yipes Communications 22284 UNALLOCATED 199.244.155.0/24 701 UUNET Technologies, 22284 UNALLOCATED 199.244.156.0/24 701 UUNET Technologies, 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 22313 UNALLOCATED 200.47.150.0/24 7927 Global One Venezuela 22303 UNALLOCATED 204.62.219.0/24 2914 Verio, Inc. 22303 UNALLOCATED 204.62.220.0/24 2914 Verio, Inc. 22303 UNALLOCATED 204.62.221.0/24 2914 Verio, Inc. 22303 UNALLOCATED 204.62.222.0/24 2914 Verio, Inc. 22130 UNALLOCATED 205.180.228.0/24 3561 Cable & Wireless USA 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, 22257 UNALLOCATED 207.176.8.0/21 3491 CAIS Internet 6971 UNALLOCATED 207.189.143.0/24 2516 Kokusai Denshin Denw 22179 UNALLOCATED 207.190.35.0/24 3549 Global Crossing 22326 UNALLOCATED 208.44.54.0/24 1239 Sprint 22091 UNALLOCATED 208.46.178.0/24 209 Qwest 22130 UNALLOCATED 208.131.122.0/24 3561 Cable & Wireless USA 22299 UNALLOCATED 208.249.71.0/24 701 UUNET Technologies, 22195 UNALLOCATED 208.252.244.0/24 209 Qwest 22259 UNALLOCATED 208.254.175.0/24 701 UUNET Technologies, 65515 PRIVATE 212.110.142.0/24 5593 CRIS-AS 21040 UNALLOCATED 213.196.128.0/18 702 UUNET Technologies, 22313 UNALLOCATED 216.72.155.0/24 7927 Global One Venezuela 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. 22326 UNALLOCATED 216.207.88.0/24 1239 Sprint 22326 UNALLOCATED 216.207.89.0/24 1239 Sprint 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 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 /10:6 /11:12 /12:33 /13:85 /14:228 /15:383 /16:6972 /17:1231 /18:2347 /19:6950 /20:5822 /21:4773 /22:7029 /23:8963 /24:60843 /25:318 /26:341 /27:259 /28:257 /29:156 /30:185 /31:1 /32:76 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 1221 1459 1608 Telstra Pty Ltd 701 1422 2257 UUNET Technologies, Inc. 3908 771 922 Supernet, Inc. 7046 629 801 UUNET Technologies, Inc. 702 593 881 UUNET Technologies, Inc. 7018 553 1055 AT&T 690 499 502 Merit Network 4293 449 466 Cable & Wireless USA 3967 422 602 Exodus Communication 1 414 871 BBN Planet 1239 407 731 Sprint 2764 373 420 connect.com.au pty ltd 209 371 537 Qwest 703 347 418 UUNET Technologies, Inc. 2048 308 360 State of Louisiana 6995 308 320 Bell Atlantic Internet Soluti 4323 303 361 Time Warner Communications, I 11371 300 313 Rhythms NetConnections 5106 298 316 Ameritech Advanced Data Servi 705 297 341 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:6 9:1 12:407 13:10 15:1 17:5 20:1 24:801 25:1 26:1 32:72 33:6 38:10 43:3 44:2 53:2 55:1 57:15 61:77 62:141 63:1929 64:1357 65:712 66:480 67:2 80:51 128:49 129:107 130:18 131:42 132:11 133:2 134:139 135:10 136:21 137:98 138:206 139:45 140:197 141:199 142:56 143:39 144:145 145:13 146:147 147:129 148:130 149:89 150:37 151:323 152:367 153:43 154:16 155:83 156:89 157:73 158:74 159:67 160:48 161:91 162:65 163:145 164:95 165:103 166:188 167:143 168:117 169:39 170:291 171:2 192:5426 193:1953 194:2022 195:830 196:450 198:3638 199:3332 200:2505 201:1 202:2769 203:4574 204:3419 205:2199 206:2902 207:2579 208:3124 209:3132 210:550 211:136 212:859 213:506 214:8 215:13 216:3042 217:387 218:2 End of report