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 12 Oct, 2001 Analysis Summary ---------------- BGP routing table entries examined: 109453 Origin ASes present in the Internet Routing Table: 11858 Origin ASes announcing only one prefix: 4365 Transit ASes present in the Internet Routing Table: 1533 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: 73 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: 1259798670 Equivalent to 75 /8s, 23 /16s and 0 /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: 74165 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16425 Prefixes being announced from the APNIC address blocks: 14952 APNIC Region origin ASes present in the Internet Routing Table: 1380 APNIC Region origin ASes announcing only one prefix: 463 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: 81541744 Equivalent to 4 /8s, 220 /16s and 58 /24s Percentage of available APNIC address space announced: 80.2 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: 75297 Prefixes being announced from the ARIN address blocks: 53590 ARIN Region origin ASes present in the Internet Routing Table: 7132 ARIN Region origin ASes announcing only one prefix: 2124 ARIN Region transit ASes present in the Internet Routing Table: 715 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 218175305 Equivalent to 13 /8s, 1 /16s and 23 /24s Percentage of available ARIN address space announced: 81.3 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: 17729 Prefixes being announced from the RIPE address blocks: 14094 RIPE Region origin ASes present in the Internet Routing Table: 3356 RIPE Region origin ASes announcing only one prefix: 1778 RIPE Region transit ASes present in the Internet Routing Table: 585 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 108572476 Equivalent to 6 /8s, 120 /16s and 175 /24s Percentage of available RIPE address space announced: 71.9 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 1592 1312 Telstra Pty Ltd 2764 414 358 connect.com.au pty ltd 703 378 335 UUNET Technologies, Inc. 2907 370 1847 SINET Japan 4755 299 163 Videsh Sanchar Nigam Ltd. Aut 7474 243 274 Optus Communications Pty Ltd 4134 239 1862 Data Communications Bureau 4766 186 1466 Korea Internet Exchange for " 4740 177 38 OzEmail ISP 9443 159 54 Primus Telecommunications 2521 140 171 PSINet Japan 9768 131 363 Korea Telecom 17557 129 8 Pakistan Telecom 4786 123 14 NetConnect Communications Pty 4763 122 69 Telstra New Zealand 7545 121 23 TPG Internet Pty Ltd 4713 117 885 NTT Communications Corporatio 9583 116 60 Satyam Infoway Ltd., 17561 116 167 Internet service provision to 7539 108 150 TANet2, sponsored by NSC, TAI RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 910 1952 UUNET Technologies, Inc. 3301 438 937 TeliaNet Sweden 1257 273 512 SWIPnet Swedish IP Network 680 241 2309 DFN-IP service G-WiN 3215 236 515 France Telecom / &Equant 5515 194 688 Sonera Finland Autonomous Sys 3320 189 1940 Deutsche Telekom AG 786 186 1890 The JANET IP Service 1103 161 4089 SURFnet BV 8708 161 17 Romania Data Systems S.A. 15870 142 10 Global Center Frankfurt 5400 139 64 Concert European Core Network 719 133 289 LANLINK autonomous system 3303 129 560 Swisscom Ltd 2856 128 776 BTnet UK Regional network 5549 127 67 Nextra Deutschland GmbH + Co. 1270 125 731 UUNET Germany 15878 122 9 Global Center Paris 517 112 252 KPNQwest Germany GmbH 3269 106 807 TELECOM ITALIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2306 9166 UUNET Technologies, Inc. 3908 1150 1563 Supernet, Inc. 7018 1060 7264 AT&T 1 871 8587 BBN Planet 7046 811 1021 UUNET Technologies, Inc. 1239 738 3517 Sprint 3967 618 471 Exodus Communication 209 574 2253 Qwest 690 504 80 Merit Network 2914 489 2256 Verio, Inc. 4293 459 112 Cable & Wireless USA 705 415 67 UUNET Technologies, Inc. 3561 401 2356 Cable & Wireless USA 721 392 4407 DLA Systems Automation Center 2149 383 328 Performance Systems, Inc. 3549 383 843 Global Crossing 2548 356 999 Business Internet, Inc. 577 351 636 Bell Advanced Communications 5106 350 213 Ameritech Advanced Data Servi 4323 345 355 Time Warner Communications, I Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2306 9166 UUNET Technologies, Inc. 1221 1592 1312 Telstra Pty Ltd 3908 1150 1563 Supernet, Inc. 7018 1060 7264 AT&T 702 910 1952 UUNET Technologies, Inc. 1 871 8587 BBN Planet 7046 811 1021 UUNET Technologies, Inc. 1239 738 3517 Sprint 3967 618 471 Exodus Communication 209 574 2253 Qwest 690 504 80 Merit Network 2914 489 2256 Verio, Inc. 4293 459 112 Cable & Wireless USA 3301 438 937 TeliaNet Sweden 705 415 67 UUNET Technologies, Inc. 2764 414 358 connect.com.au pty ltd 3561 401 2356 Cable & Wireless USA 721 392 4407 DLA Systems Automation Center 2149 383 328 Performance Systems, Inc. 3549 383 843 Global Crossing 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. 22153 UNALLOCATED 168.215.234.0/23 1239 Sprint 22153 UNALLOCATED 168.215.235.0/24 1239 Sprint 22153 UNALLOCATED 168.215.236.0/23 1239 Sprint 22153 UNALLOCATED 168.215.237.0/24 1239 Sprint 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 22290 UNALLOCATED 198.140.161.0/24 2914 Verio, Inc. 22051 UNALLOCATED 198.172.125.0/24 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. 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 22290 UNALLOCATED 207.150.139.0/24 2914 Verio, Inc. 22237 UNALLOCATED 208.253.66.0/24 701 UUNET Technologies, 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 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 216.210.216.0/22 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 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 201.11.128.0/24 2764 connect.com.au 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 /10:8 /11:12 /12:33 /13:87 /14:227 /15:392 /16:7090 /17:1301 /18:2394 /19:7014 /20:5928 /21:4792 /22:7117 /23:9086 /24:62372 /25:323 /26:329 /27:261 /28:257 /29:155 /30:195 /31:1 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1474 2306 UUNET Technologies, Inc. 1221 1446 1592 Telstra Pty Ltd 3908 874 1150 Supernet, Inc. 7046 633 811 UUNET Technologies, Inc. 702 620 910 UUNET Technologies, Inc. 7018 555 1060 AT&T 690 501 504 Merit Network 4293 445 459 Cable & Wireless USA 3967 438 618 Exodus Communication 1 422 871 BBN Planet 209 409 574 Qwest 1239 399 738 Sprint 2764 368 414 connect.com.au pty ltd 705 364 415 UUNET Technologies, Inc. 5106 329 350 Ameritech Advanced Data Servi 703 313 378 UUNET Technologies, Inc. 4151 301 343 USDA 11371 299 310 Rhythms NetConnections 4323 286 345 Time Warner Communications, I 11686 283 316 Education Networks of America Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:6 9:1 12:417 13:10 15:1 17:5 20:1 24:779 25:1 26:1 32:74 38:14 43:2 44:2 52:1 53:2 57:15 61:113 62:159 63:1937 64:1289 65:833 66:479 67:32 80:66 128:52 129:112 130:20 131:47 132:40 133:2 134:121 135:13 136:91 137:93 138:154 139:49 140:149 141:192 142:56 143:39 144:151 145:37 146:225 147:130 148:189 149:86 150:38 151:178 152:387 153:51 154:19 155:83 156:95 157:112 158:72 159:70 160:47 161:61 162:70 163:144 164:118 165:99 166:204 167:155 168:130 169:39 170:287 171:2 192:5618 193:1974 194:2074 195:846 196:467 198:4102 199:3889 200:2405 201:2 202:2827 203:4574 204:3366 205:2217 206:2873 207:2611 208:3158 209:3108 210:578 211:135 212:863 213:529 214:9 215:13 216:2999 217:384 218:2 End of report