This report has been generated at Fri Nov 5 21:44:44 2004 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 29-10-04 147101 101511 30-10-04 147048 101490 30-10-04 147130 101422 01-11-04 147021 101589 02-11-04 147128 101682 03-11-04 147367 101936 04-11-04 147458 103774 05-11-04 156315 103781 AS Summary 18307 Number of ASes in routing system 7463 Number of ASes announcing only one prefix 6090 Largest number of prefixes announced by an AS AS701 : UU UUNET Technologies, Inc. 81872128 Largest address span announced by an AS (/32s) AS721 : DNIC DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 05Nov04 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 156209 103789 52420 33.6% All ASes AS701 6090 892 5198 85.4% UU UUNET Technologies, Inc. AS705 2258 1009 1249 55.3% UU UUNET Technologies, Inc. AS18566 751 7 744 99.1% CVAD Covad Communications AS4134 825 178 647 78.4% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 794 224 570 71.8% TWTC Time Warner Telecom AS7018 1411 994 417 29.6% ATTW AT&T WorldNet Services AS7843 496 93 403 81.2% ADELPH-13 Adelphia Corp. AS6197 807 423 384 47.6% BNS-14 BellSouth Network Solutions, Inc AS22773 400 17 383 95.8% CXA Cox Communications Inc. AS27364 414 35 379 91.5% ARMC Armstrong Cable Services AS22909 409 66 343 83.9% CMCS Comcast Cable Communications, Inc. AS15557 371 43 328 88.4% LDCOMNET LDCOM NETWORKS AS6478 426 103 323 75.8% ATTW AT&T WorldNet Services AS1239 932 622 310 33.3% SPRN Sprint AS17676 367 63 304 82.8% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS9929 335 33 302 90.1% CNCNET-CN China Netcom Corp. AS4355 384 99 285 74.2% ERSD EARTHLINK, INC AS4766 529 267 262 49.5% KIXS-AS-KR Korea Telecom AS721 1012 751 261 25.8% DNIC DoD Network Information Center AS14654 260 6 254 97.7% WAYPOR-3 Wayport AS21502 254 3 251 98.8% ASN-NUMERICABLE NUMERICABLE is a cabled network in France, AS9443 357 108 249 69.7% INTERNETPRIMUS-AS-AP Primus Telecommunications AS6140 370 124 246 66.5% IMPSA ImpSat AS25844 244 16 228 93.4% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS1221 805 578 227 28.2% ASN-TELSTRA Telstra Pty Ltd AS2386 847 623 224 26.4% ADCS-1 AT&T Data Communications Services AS6198 433 221 212 49.0% BNS-14 BellSouth Network Solutions, Inc AS22291 291 87 204 70.1% CC04 Charter Communications AS3356 647 446 201 31.1% LEVEL3 Level 3 Communications AS4814 206 6 200 97.1% CHINA169-BBN CNCGROUP IP network¡ªChina169 Beijing Broadband Network Total 23725 8137 15588 65.7% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.38.0/24 AS25994 NPGCAB NPG Cable, INC 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.57.160.0/19 AS3561 CWU Cable & Wireless USA 64.92.128.0/19 AS3561 CWU Cable & Wireless USA 64.127.0.0/18 AS7018 ATTW AT&T WorldNet Services 64.209.192.0/18 AS3561 CWU Cable & Wireless USA 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS721 DNIC DoD Network Information Center 137.0.0.0/13 AS721 DNIC DoD Network Information Center 138.136.0.0/13 AS721 DNIC DoD Network Information Center 158.0.0.0/13 AS721 DNIC DoD Network Information Center 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 LANLINK Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 192.70.164.0/24 AS25689 NRCC-2 National Research Council of Canada 192.81.182.0/24 AS719 LANLINK Elisa Oyj 192.81.183.0/24 AS719 LANLINK Elisa Oyj 192.81.184.0/24 AS719 LANLINK Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS721 DNIC DoD Network Information Center 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.243.32.0/23 AS2044 PALINA Palin Aquisitions Inc. 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS721 DNIC DoD Network Information Center 198.97.80.0/20 AS721 DNIC DoD Network Information Center 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS721 DNIC DoD Network Information Center 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS721 DNIC DoD Network Information Center 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.161.165.0/24 AS852 AGTA Telus Advanced Communications 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS721 DNIC DoD Network Information Center 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.96.44.0/23 AS19092 360NE-1 360Networks (USA) Inc. 199.96.46.0/24 AS19092 360NE-1 360Networks (USA) Inc. 199.114.0.0/18 AS568 DISOUN DISO-UNRRA 199.114.0.0/21 AS721 DNIC DoD Network Information Center 199.114.128.0/18 AS721 DNIC DoD Network Information Center 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.134.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.136.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS721 DNIC DoD Network Information Center 199.123.0.0/18 AS721 DNIC DoD Network Information Center 199.123.16.0/20 AS721 DNIC DoD Network Information Center 199.123.80.0/21 AS721 DNIC DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.197.8.0/22 AS21814 PARSON-18 Parsons Corp. 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 202.70.28.0/24 AS4515 ERX-STAR Star Internet Services Ltd. 202.72.64.0/21 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.64.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.65.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.66.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.67.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.68.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.69.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.70.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.71.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.72.0/21 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.72.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.73.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.74.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.75.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.76.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.77.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.78.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.79.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.133.3.0/24 AS9335 CIP-JAPAN-AS-AP ATT IPlus 202.160.128.0/23 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.131.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.132.0/22 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.136.0/22 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.142.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.144.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.145.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.146.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.147.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.148.0/22 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.156.0/23 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.158.0/23 AS17642 RDSL-NATIONAL-AS Request Broadband BGP AS number 202.164.128.0/19 AS9654 CYBERSPACE-AP P/H Padilla Bldg., Emerald Avenue 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.84.192.0/19 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.84.192.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.84.208.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.99.0.0/19 AS17746 ORCONINTERNET-NZ-AP Orcon Internet 203.170.14.0/23 AS6648 ASN-SKYINTERNET Autonomous System Number peering of Sky Internet - BAYANTEL Inc. - Philppines 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 206.251.69.0/24 AS27429 TIL-33 Telesat International Ltd. 206.253.190.0/23 AS8123 POLYBA Polybase 207.47.254.0/24 AS701 UU UUNET Technologies, Inc. 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 209.172.0.0/18 AS7770 TRTI Triton Technologies, Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.50.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.37.110.0/23 AS4264 CERFN California Education and Research Federation Network 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.130.0/23 AS11937 TRXI TRX Inc. 216.145.132.0/22 AS11937 TRXI TRX Inc. 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/21 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.171.96.0/20 AS3356 LEVEL3 Level 3 Communications 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog@merit.edu eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org swinog@swinog.ch