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 09 Nov, 2001 Analysis Summary ---------------- BGP routing table entries examined: 107786 Origin ASes present in the Internet Routing Table: 11965 Origin ASes announcing only one prefix: 4470 Transit ASes present in the Internet Routing Table: 1569 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: 58 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from the IANA Reserved Address blocks: 15 Number of addresses announced to Internet: 1259246989 Equivalent to 75 /8s, 14 /16s and 149 /24s Percentage of available address space announced: 34.0 Percentage of allocated address space announced: 64.9 Percentage of available address space allocated: 52.4 Total number of prefixes smaller than registry allocations: 72980 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 17045 Prefixes being announced from the APNIC address blocks: 15551 APNIC Region origin ASes present in the Internet Routing Table: 1399 APNIC Region origin ASes announcing only one prefix: 462 APNIC Region transit ASes present in the Internet Routing Table: 240 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 88551085 Equivalent to 5 /8s, 71 /16s and 46 /24s Percentage of available APNIC address space announced: 74.7 APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239 17408 - 18431, 23552 - 24575 APNIC Address Blocks 61/8, 202/7, 210/7 and 218/7 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 72934 Prefixes being announced from the ARIN address blocks: 51804 ARIN Region origin ASes present in the Internet Routing Table: 7137 ARIN Region origin ASes announcing only one prefix: 2171 ARIN Region transit ASes present in the Internet Routing Table: 727 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 219840985 Equivalent to 13 /8s, 26 /16s and 129 /24s Percentage of available ARIN address space announced: 81.9 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 - 23551 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: 17806 Prefixes being announced from the RIPE address blocks: 14380 RIPE Region origin ASes present in the Internet Routing Table: 3433 RIPE Region origin ASes announcing only one prefix: 1837 RIPE Region transit ASes present in the Internet Routing Table: 601 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 109809412 Equivalent to 6 /8s, 139 /16s and 143 /24s Percentage of available RIPE address space announced: 72.7 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 1550 1304 Telstra Pty Ltd 2764 403 357 connect.com.au pty ltd 703 391 351 UUNET Technologies, Inc. 2907 376 1897 SINET Japan 4766 362 1431 Korea Internet Exchange for " 4755 300 162 Videsh Sanchar Nigam Ltd. Aut 7474 297 275 Optus Communications Pty Ltd 4134 255 1918 Data Communications Bureau 4740 171 26 OzEmail ISP 17676 167 1957 XTAGE CORPORATION 9443 164 53 Primus Telecommunications 1659 154 1156 Taiwan Academic Network (TANe 17557 142 9 Pakistan Telecom 7539 140 142 TANet2, sponsored by NSC, TAI 4812 137 305 China Telecom (Group) - Shang 2521 130 171 PSINet Japan 9583 129 61 Satyam Infoway Ltd., 9768 128 362 Korea Telecom 4786 121 14 NetConnect Communications Pty 4763 120 69 Telstra New Zealand RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 976 1986 UUNET Technologies, Inc. 3301 428 950 TeliaNet Sweden 1257 269 500 SWIPnet Swedish IP Network 680 231 2148 DFN-IP service G-WiN 3215 231 568 France Telecom / &Equant 5515 197 688 Sonera Finland Autonomous Sys 3320 195 1957 Deutsche Telekom AG 786 184 1890 The JANET IP Service 8708 167 17 Romania Data Systems S.A. 5400 141 66 Concert European Core Network 719 132 289 LANLINK autonomous system 2856 131 777 BTnet UK Regional network 3303 131 560 Swisscom Ltd 5549 122 82 Nextra Deutschland GmbH + Co. 517 110 250 KPNQwest Germany GmbH 15878 110 9 Global Center Paris 12302 109 7 MobiFon S.A. 1273 108 177 Cable & Wireless ECRC GmbH 3269 105 808 TELECOM ITALIA 1270 102 672 UUNET Germany ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2263 9171 UUNET Technologies, Inc. 7018 1089 7344 AT&T 1 845 8554 BBN Planet 7046 832 1022 UUNET Technologies, Inc. 3967 807 465 Exodus Communication 1239 717 3383 Sprint 3908 664 1515 Supernet, Inc. 209 586 2182 Qwest 852 508 693 Telus Advanced Communications 690 497 71 Merit Network 2149 489 318 Performance Systems, Inc. 4323 481 403 Time Warner Communications, I 2914 477 2269 Verio, Inc. 4293 443 112 Cable & Wireless USA 705 406 163 UUNET Technologies, Inc. 3561 376 2299 Cable & Wireless USA 4151 363 1254 USDA 577 352 636 Bell Advanced Communications 3741 351 766 The Internet Solution 15290 340 339 AT&T Canada IES Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2263 9171 UUNET Technologies, Inc. 1221 1550 1304 Telstra Pty Ltd 7018 1089 7344 AT&T 702 976 1986 UUNET Technologies, Inc. 1 845 8554 BBN Planet 7046 832 1022 UUNET Technologies, Inc. 3967 807 465 Exodus Communication 1239 717 3383 Sprint 3908 664 1515 Supernet, Inc. 209 586 2182 Qwest 852 508 693 Telus Advanced Communications 690 497 71 Merit Network 2149 489 318 Performance Systems, Inc. 4323 481 403 Time Warner Communications, I 2914 477 2269 Verio, Inc. 4293 443 112 Cable & Wireless USA 3301 428 950 TeliaNet Sweden 705 406 163 UUNET Technologies, Inc. 2764 403 357 connect.com.au pty ltd 703 391 351 UUNET Technologies, 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 64.42.16.0/20 6461 AboveNet Communicati 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 6461 AboveNet Communicati 6971 UNALLOCATED 64.42.60.0/22 2914 Verio, Inc. 6971 UNALLOCATED 64.42.64.0/21 6461 AboveNet Communicati 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 6971 UNALLOCATED 66.182.0.0/18 2516 Kokusai Denshin Denw 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 6971 UNALLOCATED 199.164.144.0/24 2914 Verio, Inc. 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd 6971 UNALLOCATED 204.69.206.0/24 2914 Verio, Inc. 6971 UNALLOCATED 205.163.58.0/24 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. 6971 UNALLOCATED 207.12.40.0/22 2914 Verio, Inc. 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 6971 UNALLOCATED 208.1.124.0/23 2914 Verio, Inc. 6971 UNALLOCATED 208.1.200.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.105.192.0/20 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.121.224.0/19 2516 Kokusai Denshin Denw 6971 UNALLOCATED 216.173.192.0/19 2914 Verio, Inc. 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 216.210.140.0/22 6461 AboveNet Communicati 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 6461 AboveNet Communicati 6971 UNALLOCATED 216.210.216.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.220.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.224.0/21 2914 Verio, Inc. 6971 UNALLOCATED 216.210.232.0/22 2914 Verio, Inc. 6971 UNALLOCATED 216.210.236.0/22 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 39.0.0.0/8 4554 Exchange Point Blocks 89.81.192.0/20 6695 DE-CIX AS 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 /10:7 /11:12 /12:37 /13:89 /14:221 /15:389 /16:7077 /17:1337 /18:2411 /19:7045 /20:5969 /21:4730 /22:7065 /23:8877 /24:60918 /25:311 /26:291 /27:287 /28:276 /29:160 /30:186 /31:1 /32:67 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1455 2263 UUNET Technologies, Inc. 1221 1407 1550 Telstra Pty Ltd 702 668 976 UUNET Technologies, Inc. 7046 659 832 UUNET Technologies, Inc. 3967 631 807 Exodus Communication 7018 565 1089 AT&T 690 494 497 Merit Network 3908 441 664 Supernet, Inc. 4293 428 443 Cable & Wireless USA 4323 417 481 Time Warner Communications, I 209 415 586 Qwest 1 407 845 BBN Planet 1239 403 717 Sprint 2149 365 489 Performance Systems, Inc. 2764 360 403 connect.com.au pty ltd 852 332 508 Telus Advanced Communications 705 329 406 UUNET Technologies, Inc. 703 322 391 UUNET Technologies, Inc. 4151 319 363 USDA 4766 276 362 Korea Internet Exchange for " Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:5 9:1 12:421 13:10 15:1 17:5 20:1 24:840 25:1 26:1 32:75 38:13 43:2 44:2 47:2 52:1 53:3 57:12 61:134 62:152 63:1891 64:1117 65:893 66:491 67:2 80:97 128:55 129:107 130:23 131:42 132:13 133:2 134:133 135:8 136:118 137:109 138:189 139:50 140:168 141:57 142:66 143:40 144:145 145:11 146:198 147:131 148:219 149:85 150:43 151:189 152:379 153:55 154:8 155:82 156:94 157:107 158:68 159:70 160:46 161:51 162:75 163:130 164:122 165:122 166:206 167:159 168:119 169:45 170:294 171:1 192:5373 193:2022 194:2058 195:849 196:465 198:3786 199:3502 200:2390 201:1 202:2802 203:4551 204:3352 205:2141 206:2783 207:2554 208:2991 209:2988 210:553 211:293 212:927 213:536 214:9 215:17 216:2931 217:431 218:6 End of report
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Routing Table Analysis