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November 2001

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RE: Strange information in different routing regestries?
by Wilfried Woeber, UniVie/ACOnet 02 Nov '01

02 Nov '01

>Subj: Strange information in different routing regestries? Well, "strange" ... ? Some organisations decided to run Routing Registries in order to support their mission and/or their own operational environment. In general, there is no mechanism to synchronise duplicate or multiple parallel entries when an update is made to _one_ of the registries. It is up to the user/maintainer of a certain block of addresses (or his or her up-stream ISP(s)) to (manually) keep those entries up-to-date or to get them removed - whatever is appropriate. >Is this normal? I wouldn't dare to classify what you c/should regard as normal" :-) Cheers, _________________________________:_____________________________________ Wilfried Woeber : e-mail: Woeber(a)CC.UniVie.ac.at UniVie Computer Center - ACOnet : Tel: +43 1 4277 - 140 33 Universitaetsstrasse 7 : Fax: +43 1 4277 - 9 140 A-1010 Vienna, Austria, Europe : RIPE-DB: WW144, PGP keyID 0xF0ACB369 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~:~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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Weekly Routing Table Report
by Routing Table Analysis 01 Nov '01

01 Nov '01

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(a)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(a)cisco.com>. Routing Table Report 02 Nov, 2001 Analysis Summary ---------------- BGP routing table entries examined: 107928 Origin ASes present in the Internet Routing Table: 11854 Origin ASes announcing only one prefix: 4404 Transit ASes present in the Internet Routing Table: 1572 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: 138 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: 1308006313 Equivalent to 77 /8s, 246 /16s and 151 /24s Percentage of available address space announced: 35.3 Percentage of allocated address space announced: 67.4 Percentage of available address space allocated: 52.4 Total number of prefixes smaller than registry allocations: 73128 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 16788 Prefixes being announced from the APNIC address blocks: 15282 APNIC Region origin ASes present in the Internet Routing Table: 1383 APNIC Region origin ASes announcing only one prefix: 450 APNIC Region transit ASes present in the Internet Routing Table: 238 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 88033909 Equivalent to 5 /8s, 63 /16s and 74 /24s Percentage of available APNIC address space announced: 74.3 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: 73139 Prefixes being announced from the ARIN address blocks: 52163 ARIN Region origin ASes present in the Internet Routing Table: 7108 ARIN Region origin ASes announcing only one prefix: 2141 ARIN Region transit ASes present in the Internet Routing Table: 739 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 235950737 Equivalent to 14 /8s, 16 /16s and 82 /24s Percentage of available ARIN address space announced: 87.9 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: 17999 Prefixes being announced from the RIPE address blocks: 14426 RIPE Region origin ASes present in the Internet Routing Table: 3413 RIPE Region origin ASes announcing only one prefix: 1813 RIPE Region transit ASes present in the Internet Routing Table: 599 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 15 Number of RIPE addresses announced to Internet: 142851711 Equivalent to 8 /8s, 131 /16s and 190 /24s Percentage of available RIPE address space announced: 94.6 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 1551 1304 Telstra Pty Ltd 2764 408 359 connect.com.au pty ltd 703 382 362 UUNET Technologies, Inc. 2907 374 1865 SINET Japan 4755 300 162 Videsh Sanchar Nigam Ltd. Aut 7474 295 275 Optus Communications Pty Ltd 4134 253 1902 Data Communications Bureau 4766 182 1415 Korea Internet Exchange for " 4740 167 26 OzEmail ISP 9443 163 53 Primus Telecommunications 17676 162 1957 XTAGE CORPORATION 1659 159 1221 Taiwan Academic Network (TANe 7539 153 159 TANet2, sponsored by NSC, TAI 17557 145 9 Pakistan Telecom 2521 138 171 PSINet Japan 4812 137 305 China Telecom (Group) 9768 128 362 Korea Telecom 9583 126 61 Satyam Infoway Ltd., 4786 123 14 NetConnect Communications Pty 4763 121 69 Telstra New Zealand RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 702 942 1945 UUNET Technologies, Inc. 3301 434 950 TeliaNet Sweden 1257 272 516 SWIPnet Swedish IP Network 680 239 2308 DFN-IP service G-WiN 3215 234 539 France Telecom / &Equant 5515 195 688 Sonera Finland Autonomous Sys 3320 193 1957 Deutsche Telekom AG 786 184 1890 The JANET IP Service 8708 161 16 Romania Data Systems S.A. 5495 156 3 University Network 5400 139 66 Concert European Core Network 15870 139 10 Global Center Frankfurt 719 133 289 LANLINK autonomous system 3303 131 560 Swisscom Ltd 2856 130 776 BTnet UK Regional network 5549 124 82 Nextra Deutschland GmbH + Co. 1270 119 705 UUNET Germany 517 111 251 KPNQwest Germany GmbH 12302 110 7 MobiFon S.A. 15878 110 9 Global Center Paris ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv Description 701 2278 9038 UUNET Technologies, Inc. 3908 1181 1694 Supernet, Inc. 7018 1096 7324 AT&T 1 846 8555 BBN Planet 7046 838 1022 UUNET Technologies, Inc. 1239 709 3380 Sprint 3967 667 453 Exodus Communication 209 578 2196 Qwest 690 507 73 Merit Network 2914 477 2269 Verio, Inc. 4293 451 113 Cable & Wireless USA 2149 426 330 Performance Systems, Inc. 4323 426 386 Time Warner Communications, I 3561 380 2298 Cable & Wireless USA 4151 362 1254 USDA 705 359 68 UUNET Technologies, Inc. 3741 351 766 The Internet Solution 577 349 636 Bell Advanced Communications 15290 342 339 AT&T Canada IES 7132 334 466 Southwestern Bell Internet Se Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv Description 701 2278 9038 UUNET Technologies, Inc. 1221 1551 1304 Telstra Pty Ltd 3908 1181 1694 Supernet, Inc. 7018 1096 7324 AT&T 702 942 1945 UUNET Technologies, Inc. 1 846 8555 BBN Planet 7046 838 1022 UUNET Technologies, Inc. 1239 709 3380 Sprint 3967 667 453 Exodus Communication 209 578 2196 Qwest 690 507 73 Merit Network 2914 477 2269 Verio, Inc. 4293 451 113 Cable & Wireless USA 3301 434 950 TeliaNet Sweden 2149 426 330 Performance Systems, Inc. 4323 426 386 Time Warner Communications, I 2764 408 359 connect.com.au pty ltd 703 382 362 UUNET Technologies, Inc. 3561 380 2298 Cable & Wireless USA 2907 374 1865 SINET Japan List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 22190 UNALLOCATED 12.24.96.0/24 7018 AT&T 22396 UNALLOCATED 12.148.245.0/24 7018 AT&T 22535 UNALLOCATED 12.150.242.0/24 6388 bellsouth.net, inc. 65175 PRIVATE 24.169.224.0/20 11060 Time Warner Cable N 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 22141 UNALLOCATED 64.113.208.0/23 19029 New Edge Networks 22151 UNALLOCATED 65.115.37.0/24 5696 WINSTAR 21963 UNALLOCATED 65.117.88.0/21 3908 Supernet, Inc. 17970 UNALLOCATED 65.197.148.0/22 701 UUNET Technologies, 22557 UNALLOCATED 65.207.0.0/24 701 UUNET Technologies, 22141 UNALLOCATED 65.208.24.0/22 19029 New Edge Networks 22446 UNALLOCATED 65.211.132.0/24 701 UUNET Technologies, 22446 UNALLOCATED 65.211.132.0/23 701 UUNET Technologies, 22293 UNALLOCATED 65.213.118.0/24 701 UUNET Technologies, 22196 UNALLOCATED 66.54.252.0/24 6517 Yipes Communications 22196 UNALLOCATED 66.54.253.0/24 6517 Yipes Communications 22196 UNALLOCATED 66.54.254.0/24 6517 Yipes Communications 22196 UNALLOCATED 66.54.255.0/24 6517 Yipes Communications 6971 UNALLOCATED 66.182.0.0/18 2516 Kokusai Denshin Denw 21225 UNALLOCATED 80.71.32.0/20 15835 Moscow Network Acces 21260 UNALLOCATED 80.87.128.0/20 8426 ClaraNET 21279 UNALLOCATED 80.240.128.0/20 1755 Ebone Transit Core 21307 UNALLOCATED 80.241.224.0/20 15589 Edisontel S.p.A. 21314 UNALLOCATED 80.242.224.0/20 8582 Support Net bv 22373 UNALLOCATED 138.113.0.0/16 701 UUNET Technologies, 2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp. 22149 UNALLOCATED 157.245.0.0/20 7018 AT&T 22466 UNALLOCATED 192.43.219.0/24 174 PSINet Inc. 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 22388 UNALLOCATED 192.203.116.0/24 11537 University Corporati 22466 UNALLOCATED 192.231.172.0/24 174 PSINet Inc. 17926 UNALLOCATED 192.245.58.0/23 9740 Cable & Wireless Net 21227 UNALLOCATED 193.109.86.0/24 1257 SWIPnet Swedish IP N 21258 UNALLOCATED 193.109.92.0/24 12968 Crowley Data Poland, 21239 UNALLOCATED 193.109.126.0/24 702 UUNET Technologies, 21312 UNALLOCATED 193.110.16.0/22 6846 UKRPACK.NET 21279 UNALLOCATED 194.6.165.0/24 1755 Ebone Transit Core 21279 UNALLOCATED 194.209.81.0/24 1755 Ebone Transit Core 21279 UNALLOCATED 195.65.102.0/24 1755 Ebone Transit Core 22466 UNALLOCATED 199.43.117.0/24 174 PSINet Inc. 22466 UNALLOCATED 199.85.107.0/24 174 PSINet Inc. 22466 UNALLOCATED 199.164.129.0/24 174 PSINet Inc. 6971 UNALLOCATED 199.164.144.0/24 2914 Verio, Inc. 6971 UNALLOCATED 199.249.223.0/24 2516 Kokusai Denshin Denw 22080 UNALLOCATED 200.81.94.0/23 13591 MetroRED Telecomunic 4845 UNALLOCATED 202.165.143.0/24 3462 Data Communication B 65000 PRIVATE 203.21.200.0/24 1221 Telstra Pty Ltd 17970 UNALLOCATED 203.167.69.0/24 9658 Eastern Telecoms Phi 17970 UNALLOCATED 203.167.125.0/24 9658 Eastern Telecoms Phi 17970 UNALLOCATED 203.167.126.0/24 9658 Eastern Telecoms Phi 6971 UNALLOCATED 204.69.206.0/24 2914 Verio, Inc. 22482 UNALLOCATED 205.139.128.0/24 11855 InterNAP 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. 22623 UNALLOCATED 206.208.154.0/24 15290 AT&T Canada IES 6971 UNALLOCATED 207.12.40.0/22 2914 Verio, Inc. 5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies, 22463 UNALLOCATED 207.41.203.0/24 21687 Hudson Valley DataNe 22535 UNALLOCATED 207.203.138.0/24 7018 AT&T 22495 UNALLOCATED 208.0.121.0/24 701 UUNET Technologies, 6971 UNALLOCATED 208.1.124.0/23 2914 Verio, Inc. 6971 UNALLOCATED 208.1.200.0/21 2914 Verio, Inc. 22463 UNALLOCATED 208.3.198.0/23 21687 Hudson Valley DataNe 22463 UNALLOCATED 208.28.232.0/24 21687 Hudson Valley DataNe 22463 UNALLOCATED 208.28.236.0/24 21687 Hudson Valley DataNe 22397 UNALLOCATED 208.236.202.0/24 174 PSINet Inc. 22475 UNALLOCATED 208.253.52.0/23 174 PSINet Inc. 22077 UNALLOCATED 209.2.76.0/22 1785 AppliedTheory Corpor 22367 UNALLOCATED 209.39.42.0/24 2914 Verio, Inc. 17962 UNALLOCATED 211.148.192.0/19 10212 China Guangzhou Guan 21181 UNALLOCATED 213.9.194.0/24 8220 COLT Internet - Inte 21175 UNALLOCATED 213.177.160.0/21 5400 Concert European Cor 22164 UNALLOCATED 216.51.170.0/24 1239 Sprint 22466 UNALLOCATED 216.57.6.0/23 15290 AT&T Canada IES 22466 UNALLOCATED 216.57.12.0/23 15290 AT&T Canada IES 22466 UNALLOCATED 216.57.20.0/22 15290 AT&T Canada IES 22466 UNALLOCATED 216.57.56.0/22 15290 AT&T Canada IES 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 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 21271 UNALLOCATED 217.64.96.0/20 11300 Lyman Brothers 21271 UNALLOCATED 217.64.97.0/24 11300 Lyman Brothers 21271 UNALLOCATED 217.64.98.0/24 11300 Lyman Brothers 21271 UNALLOCATED 217.64.99.0/24 11300 Lyman Brothers 21271 UNALLOCATED 217.64.100.0/24 11300 Lyman Brothers 21271 UNALLOCATED 217.64.102.0/24 11300 Lyman Brothers 21271 UNALLOCATED 217.64.103.0/24 11300 Lyman Brothers 21271 UNALLOCATED 217.64.106.0/24 11300 Lyman Brothers 21271 UNALLOCATED 217.64.108.0/24 11300 Lyman Brothers 21294 UNALLOCATED 217.156.99.0/24 8338 Global One Romania A 4837 UNALLOCATED 218.30.0.0/22 4134 Data Communications 4815 UNALLOCATED 218.30.4.0/22 4134 Data Communications 4816 UNALLOCATED 218.30.8.0/22 4134 Data Communications 4837 UNALLOCATED 218.30.16.0/24 4134 Data Communications 4815 UNALLOCATED 218.30.17.0/24 4134 Data Communications 4816 UNALLOCATED 218.30.18.0/24 4134 Data Communications 17696 UNALLOCATED 218.40.160.0/19 4713 NTT Communications C Advertised Unregistered Addresses --------------------------------- Network Origin AS Description 39.0.0.0/8 4554 Exchange Point Blocks 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 /8:21 /9:5 /10:7 /11:12 /12:36 /13:90 /14:221 /15:390 /16:7068 /17:1322 /18:2407 /19:7033 /20:5956 /21:4763 /22:7095 /23:8973 /24:60808 /25:305 /26:296 /27:285 /28:300 /29:162 /30:193 /31:1 /32:179 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 1467 2278 UUNET Technologies, Inc. 1221 1409 1551 Telstra Pty Ltd 3908 896 1181 Supernet, Inc. 7046 664 838 UUNET Technologies, Inc. 702 639 942 UUNET Technologies, Inc. 7018 572 1096 AT&T 690 504 507 Merit Network 3967 495 667 Exodus Communication 4293 436 451 Cable & Wireless USA 209 408 578 Qwest 1 406 846 BBN Planet 1239 402 709 Sprint 4323 365 426 Time Warner Communications, I 2764 363 408 connect.com.au pty ltd 4151 318 362 USDA 703 313 382 UUNET Technologies, Inc. 705 305 359 UUNET Technologies, Inc. 2149 301 426 Performance Systems, Inc. 11371 276 283 Rhythms NetConnections 7066 268 298 Virginia Polytechnic Institut Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:5 9:1 12:417 13:10 15:1 17:5 20:1 24:819 25:1 26:1 32:75 38:13 43:2 44:1 47:2 52:1 53:2 57:12 61:106 62:154 63:1951 64:1121 65:870 66:473 67:2 80:81 128:58 129:113 130:23 131:40 132:13 133:2 134:132 135:8 136:93 137:108 138:153 139:51 140:172 141:60 142:64 143:39 144:146 145:11 146:231 147:129 148:221 149:85 150:42 151:190 152:383 153:51 154:8 155:84 156:94 157:110 158:71 159:70 160:46 161:52 162:73 163:131 164:123 165:121 166:207 167:158 168:121 169:45 170:299 171:2 192:5409 193:2025 194:2050 195:846 196:455 198:3792 199:3482 200:2401 201:1 202:2841 203:4524 204:3347 205:2133 206:2835 207:2578 208:2994 209:3032 210:538 211:169 212:897 213:530 214:9 215:14 216:2914 217:427 218:5 End of report

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