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The Cidr Report

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cidr-report at potaroo.net cidr-report at potaroo.net
Fri Nov 12 12:00:00 CET 2004
This report has been generated at Fri Nov 12 21:44:35 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
        05-11-04    156315      103806
        06-11-04    156228      103992
        07-11-04    156318      103854
        08-11-04    156312      102177
        09-11-04    148311      102028
        10-11-04    148405      102407
        11-11-04    148646      102468
        12-11-04    148794      102646


AS Summary
         18360  Number of ASes in routing system
          7492  Number of ASes announcing only one prefix
          1406  Largest number of prefixes announced by an AS
                AS7018 : ATTW AT&T WorldNet Services
      86853120  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').

 --- 12Nov04 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     148874   102650    46224    31.0%   All ASes

AS18566      751        6      745    99.2%   CVAD Covad Communications
AS4134       825      178      647    78.4%   CHINANET-BACKBONE
                                               No.31,Jin-rong Street
AS4323       794      223      571    71.9%   TWTC Time Warner Telecom
AS7018      1406     1002      404    28.7%   ATTW AT&T WorldNet Services
AS6197       814      430      384    47.2%   BNS-14 BellSouth Network
                                               Solutions, Inc
AS22773      401       17      384    95.8%   CXA Cox Communications Inc.
AS27364      413       45      368    89.1%   ARMC Armstrong Cable Services
AS701       1230      884      346    28.1%   UU UUNET Technologies, Inc.
AS22909      412       81      331    80.3%   CMCS Comcast Cable
                                               Communications, Inc.
AS6478       426       98      328    77.0%   ATTW AT&T WorldNet Services
AS1239       930      620      310    33.3%   SPRN Sprint
AS17676      372       63      309    83.1%   JPNIC-JP-ASN-BLOCK Japan
                                               Network Information Center
AS9929       335       33      302    90.1%   CNCNET-CN China Netcom Corp.
AS7843       497      208      289    58.1%   ADELPH-13 Adelphia Corp.
AS4355       384       99      285    74.2%   ERSD EARTHLINK, INC
AS4766       531      268      263    49.5%   KIXS-AS-KR Korea Telecom
AS14654      261        6      255    97.7%   WAYPOR-3 Wayport
AS21502      253        3      250    98.8%   ASN-NUMERICABLE NUMERICABLE is
                                               a cabled network in France,
AS9443       358      109      249    69.6%   INTERNETPRIMUS-AS-AP Primus
                                               Telecommunications
AS15557      361      121      240    66.5%   LDCOMNET LDCOM NETWORKS
AS6140       370      133      237    64.1%   IMPSA ImpSat
AS721       1023      792      231    22.6%   DNIC DoD Network Information
                                               Center
AS2386       849      620      229    27.0%   ADCS-1 AT&T Data
                                               Communications Services
AS25844      244       16      228    93.4%   SASMFL-2 Skadden, Arps, Slate,
                                               Meagher & Flom LLP
AS1221       801      578      223    27.8%   ASN-TELSTRA Telstra Pty Ltd
AS6198       435      221      214    49.2%   BNS-14 BellSouth Network
                                               Solutions, Inc
AS4814       208        6      202    97.1%   CHINA169-BBN CNCGROUP  IP
                                               network¡ªChina169 Beijing
                                               Broadband Network
AS5668       414      223      191    46.1%   CIH-12 CenturyTel Internet
                                               Holdings, Inc.
AS15270      226       36      190    84.1%   PDP-14 PaeTec.net -a division
                                               of PaeTecCommunications, Inc.
AS6517       300      116      184    61.3%   YIPS Yipes Communications,
                                               Inc.

Total      16624     7235     9389    56.5%   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.
        202.47.1.0/24        AS7491  PI-PH-AS-AP PI-PHILIPINES
        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
        202.160.128.0/23     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
        216.145.156.0/24     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 at merit.edu
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