The Cidr Report

  • To: cidr-report@localhost
  • From: cidr-report@localhost
  • Date: Fri, 7 Dec 2007 22:00:02 +1100 (EST)
  • Cc: nanog@localhost, eof-list@localhost, apops@localhost, routing-wg@localhost, afnog@localhost

This report has been generated at Fri Dec  7 21:13:50 2007 AEST.
The report analyses the BGP Routing Table of AS2.0 router
and generates a report on aggregation potential within the table.

Check http://www.cidr-report.org for a current version of this report.

Recent Table History
        Date      Prefixes    CIDR Agg
        30-11-07    245357      161051
        01-12-07    245652      161180
        02-12-07    245249      161306
        03-12-07    245521      161232
        04-12-07    245305      161536
        05-12-07    245493      155252
        06-12-07    243093      155449
        07-12-07    245371      156129


AS Summary
         26932  Number of ASes in routing system
         11368  Number of ASes announcing only one prefix
          1966  Largest number of prefixes announced by an AS
                AS4538 : ERX-CERNET-BKB China Education and Research Network Center
      89092608  Largest address span announced by an AS (/32s)
                AS721  : 


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').

 --- 07Dec07 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     245580   156175    89405    36.4%   All ASes

AS4538      1966      721     1245    63.3%   ERX-CERNET-BKB China Education
                                               and Research Network Center
AS4755      1490      312     1178    79.1%   VSNL-AS Videsh Sanchar Nigam
                                               Ltd. Autonomous System
AS18566     1034       33     1001    96.8%   
AS4323      1379      379     1000    72.5%   
AS9498      1060       69      991    93.5%   BBIL-AP BHARTI BT INTERNET
                                               LTD.
AS22773      819       76      743    90.7%   
AS8151      1156      433      723    62.5%   
AS11492     1172      453      719    61.3%   
AS6478      1118      413      705    63.1%   
AS4134      1041      381      660    63.4%   CHINANET-BACKBONE
                                               No.31,Jin-rong Street
AS17488      917      274      643    70.1%   HATHWAY-NET-AP Hathway IP Over
                                               Cable Internet
AS19262      800      188      612    76.5%   
AS15270      608       41      567    93.3%   
AS18101      610       77      533    87.4%   RIL-IDC Reliance Infocom Ltd
                                               Internet Data Centre,
AS2386      1323      801      522    39.5%   
AS19916      569       76      493    86.6%   
AS7018      1512     1020      492    32.5%   
AS6197      1032      542      490    47.5%   
AS7545       670      198      472    70.4%   TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS6517       595      142      453    76.1%   
AS4812       515       91      424    82.3%   CHINANET-SH-AP China Telecom
                                               (Group)
AS7011       992      578      414    41.7%   
AS17676      504       90      414    82.1%   GIGAINFRA BB TECHNOLOGY Corp.
AS3356       840      429      411    48.9%   LEVEL3 Level 3 Communications
AS5668       657      272      385    58.6%   
AS4808       518      144      374    72.2%   CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS9443       450       76      374    83.1%   INTERNETPRIMUS-AS-AP Primus
                                               Telecommunications
AS4668       519      169      350    67.4%   LGNET-AS-KR LG CNS
AS855        550      216      334    60.7%   
AS16814      427       94      333    78.0%   

Total      26843     8788    18055    67.3%   Top 30 total


Possible Bogus Routes

        24.48.0.0/13         AS19548 
        24.48.10.0/23        AS19548 
        24.48.12.0/22        AS19548 
        24.48.80.0/21        AS19548 
        24.54.224.0/19       AS20001 
        24.105.32.0/20       AS11427 
        24.212.80.0/20       AS35911 
        24.246.0.0/17        AS7018  
        24.246.128.0/18      AS7018  
        31.31.31.0/24        AS9730  BHARTITELESONIC-AS-IN-AP Bharti Telesonic Ltd
        60.253.0.0/18        AS27572 
        60.253.64.0/19       AS27572 
        62.61.220.0/24       AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite
        62.61.221.0/24       AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite
        63.140.213.0/24      AS22555 
        63.140.238.0/24      AS20471 
        63.141.42.0/24       AS701   
        63.143.71.0/24       AS701   
        63.143.115.0/24      AS701   
        63.248.0.0/16        AS3356  LEVEL3 Level 3 Communications
        63.248.0.0/17        AS3356  LEVEL3 Level 3 Communications
        64.6.216.0/21        AS19783 
        64.7.112.0/21        AS6453  GLOBEINTERNET Teleglobe America Inc.
        64.7.120.0/21        AS6453  GLOBEINTERNET Teleglobe America Inc.
        64.17.32.0/24        AS13488 
        64.17.33.0/24        AS13488 
        64.17.37.0/24        AS13488 
        64.46.96.0/20        AS13680 AS13680 Hostway Corporation Tampa, FL
        64.46.112.0/20       AS30217 DESYNC Desync Corporation
        64.50.128.0/18       AS4565  
        64.144.0.0/15        AS4565  
        64.188.0.0/16        AS3356  LEVEL3 Level 3 Communications
        64.247.0.0/18        AS8001  
        64.247.6.0/23        AS29791 
        65.36.8.0/24         AS5696  
        65.36.9.0/24         AS5696  
        65.36.33.0/24        AS5696  
        65.36.52.0/24        AS701   
        65.44.0.0/14         AS2828  
        65.44.86.0/24        AS23111 
        65.44.103.0/24       AS31902 
        65.44.117.0/24       AS40510 
        65.44.121.0/24       AS22591 
        65.44.169.0/24       AS2828  
        65.44.171.0/24       AS2828  
        65.44.172.0/24       AS2828  
        65.44.175.0/24       AS2828  
        65.44.181.0/24       AS11638 
        66.6.34.0/24         AS14935 
        66.11.32.0/20        AS6261  
        66.11.40.0/21        AS6261  
        66.54.91.0/24        AS30506 
        66.55.160.0/19       AS29994 
        66.64.96.0/20        AS3790  
        66.103.104.0/21      AS7132  
        66.180.239.0/24      AS35888 
        66.206.32.0/24       AS17787 PSEB-AS-PK Pakistan Software Export Board
        66.206.33.0/24       AS17787 PSEB-AS-PK Pakistan Software Export Board
        66.206.34.0/24       AS17787 PSEB-AS-PK Pakistan Software Export Board
        66.206.35.0/24       AS17787 PSEB-AS-PK Pakistan Software Export Board
        66.206.40.0/22       AS174   COGENT Cogent/PSI
        66.206.44.0/23       AS174   COGENT Cogent/PSI
        66.206.47.0/24       AS17557 PKTELECOM-AS-AP Pakistan Telecom
        66.207.32.0/20       AS23011 
        66.241.96.0/21       AS10271 
        67.20.0.0/14         AS19548 
        67.61.254.0/24       AS11492 
        68.64.0.0/13         AS19548 
        68.67.124.0/22       AS19548 
        68.168.0.0/14        AS19548 
        68.169.21.0/24       AS11351 
        68.171.12.0/22       AS19548 
        68.232.0.0/14        AS19548 
        69.55.108.0/24       AS4977  
        69.71.192.0/20       AS13818 
        69.160.0.0/12        AS19548 
        69.168.0.0/14        AS19548 
        69.169.0.0/17        AS20001 
        69.172.0.0/14        AS19548 
        70.32.0.0/13         AS19548 
        70.32.64.0/18        AS20001 
        70.38.0.0/16         AS19548 
        70.40.0.0/16         AS19548 
        72.42.232.0/21       AS14743 
        91.199.66.0/24       AS9044  SOLNET SolNet Internet Solution Provider
        95.192.0.0/16        AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
        95.255.248.0/21      AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
        128.209.0.0/16       AS4017  
        132.0.0.0/10         AS721   
        137.0.0.0/13         AS721   
        138.136.0.0/13       AS721   
        151.135.0.0/16       AS4763  TELSTRANZ-AS TelstraClear Ltd
        158.0.0.0/13         AS721   
        159.3.211.0/24       AS2687  ASATTCA AT&T Global Network Services - AP
        163.142.0.0/16       AS2500  WIDE-BB WIDE Project
        172.14.254.0/24      AS20312 
        172.15.254.0/24      AS20312 
        173.173.173.0/24     AS9730  BHARTITELESONIC-AS-IN-AP Bharti Telesonic Ltd
        192.0.2.0/24         AS3300  BT-INFONET-EUROPE BT-Infonet-Europe
        192.30.93.0/24       AS17757 HPAUS-AP HP Australia
        192.30.94.0/24       AS17757 HPAUS-AP HP Australia
        192.40.105.0/24      AS12582 TSF-DATANET-NGD-AS TSF MPLS VPN Services
        192.69.107.0/24      AS5515  TS-FINLAND-DATANET-OLD TS Finland DataNet
        192.69.108.0/24      AS5515  TS-FINLAND-DATANET-OLD TS Finland DataNet
        192.69.177.0/24      AS5515  TS-FINLAND-DATANET-OLD TS Finland DataNet
        192.70.164.0/24      AS25689 
        192.88.99.0/24       AS16186 ASN-SSC-NO SSC Networks
        192.96.36.0/24       AS5713  SAIX-NET
        192.96.37.0/24       AS10474 NETACTIVE
        192.96.135.0/24      AS2018  TENET-1
        192.96.136.0/23      AS2018  TENET-1
        192.96.143.0/24      AS2018  TENET-1
        192.96.145.0/24      AS2018  TENET-1
        192.96.177.0/24      AS6083  POSIX-AFRICA
        192.101.45.0/24      AS2905  TICSA-ASN
        192.101.46.0/24      AS6503  
        192.101.47.0/24      AS6503  
        192.101.64.0/21      AS21775 
        192.101.67.0/24      AS21775 
        192.101.70.0/24      AS701   
        192.101.71.0/24      AS701   
        192.101.72.0/24      AS702   AS702 Verizon Business EMEA - Commercial IP service provider in Europe
        192.101.73.0/24      AS4765  WORLDNET-AS World Net & Services Co., Ltd.
        192.101.74.0/24      AS1239  
        192.122.212.0/24     AS209   
        192.124.252.0/22     AS680   DFN-IP service G-WiN
        192.131.233.0/24     AS7891  
        192.133.6.0/24       AS10282 EQUANT-CEEUR EQUANT AS for Central and Eastern Europe region
        192.153.144.0/21     AS721   
        192.172.0.0/19       AS721   
        192.188.208.0/20     AS721   
        194.31.227.0/24      AS21461 TRANSFAIRNET Transfair-net GmbH Krefeld
        194.246.72.0/23      AS8893  ARTFILES-AS Artfiles New Media GmbH
        196.6.108.0/24       AS5713  SAIX-NET
        196.10.119.0/24      AS2018  TENET-1
        196.10.122.0/23      AS2018  TENET-1
        196.10.251.0/24      AS2018  TENET-1
        196.10.252.0/23      AS2018  TENET-1
        196.10.254.0/24      AS2018  TENET-1
        196.13.101.0/24      AS2018  TENET-1
        196.13.102.0/23      AS2018  TENET-1
        196.13.104.0/24      AS2018  TENET-1
        196.13.121.0/24      AS2018  TENET-1
        196.13.125.0/24      AS2018  TENET-1
        196.13.126.0/24      AS2018  TENET-1
        196.13.169.0/24      AS2018  TENET-1
        196.13.174.0/23      AS2018  TENET-1
        196.13.176.0/21      AS2018  TENET-1
        196.13.188.0/22      AS2018  TENET-1
        196.13.192.0/22      AS2018  TENET-1
        196.13.196.0/24      AS2018  TENET-1
        198.23.26.0/24       AS4390  
        198.49.80.0/23       AS15116 
        198.54.82.0/24       AS2018  TENET-1
        198.54.92.0/24       AS2018  TENET-1
        198.54.222.0/24      AS2018  TENET-1
        198.97.72.0/21       AS721   
        198.97.80.0/20       AS721   
        198.97.96.0/19       AS721   
        198.97.240.0/20      AS721   
        198.161.87.0/24      AS6539  
        198.167.0.0/16       AS7456  
        198.168.0.0/16       AS701   
        198.169.0.0/16       AS803   
        198.180.198.0/24     AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services
        199.9.128.0/17       AS668   
        199.10.0.0/16        AS721   
        199.114.0.0/21       AS721   
        199.114.128.0/18     AS721   
        199.114.130.0/24     AS721   
        199.114.132.0/24     AS27064 
        199.114.134.0/24     AS3541  
        199.114.136.0/24     AS27044 
        199.114.138.0/24     AS27064 
        199.114.140.0/24     AS3544  
        199.114.142.0/24     AS27064 
        199.114.144.0/24     AS6045  
        199.114.148.0/24     AS6045  
        199.114.150.0/24     AS27064 
        199.114.152.0/24     AS27033 
        199.114.153.0/24     AS27034 
        199.114.154.0/24     AS1733  
        199.114.156.0/24     AS1733  
        199.114.160.0/24     AS1733  
        199.121.0.0/16       AS721   
        199.123.0.0/18       AS721   
        199.123.16.0/20      AS721   
        199.123.80.0/21      AS721   
        199.189.32.0/19      AS7332  
        199.202.0.0/16       AS701   
        199.246.116.0/24     AS813   
        200.61.255.0/24      AS18747 
        202.45.132.0/22      AS24314 
        202.58.113.0/24      AS19161 
        202.73.144.0/20      AS4788  TMNET-AS-AP TM Net, Internet Service Provider
        202.86.252.0/22      AS4748  RESOLINK-AS-AP Resources Link Network Limited
        202.86.253.0/24      AS9304  HUTCHISON-AS-AP Hutchison Global Communications
        202.86.254.0/24      AS9304  HUTCHISON-AS-AP Hutchison Global Communications
        202.86.255.0/24      AS9304  HUTCHISON-AS-AP Hutchison Global Communications
        202.90.33.0/24       AS9830  SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS
        202.90.40.0/24       AS9830  SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS
        202.90.41.0/24       AS9830  SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS
        202.90.42.0/24       AS9830  SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS
        202.90.43.0/24       AS9830  SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS
        202.90.44.0/24       AS9830  SWIFTONLINE-AS-AP SWIFT ONLINE BORDER AS
        202.94.70.0/24       AS9837  POWERTEL-AP Powertel Ltd
        202.124.195.0/24     AS17557 PKTELECOM-AS-AP Pakistan Telecom
        202.124.207.0/24     AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd.
        202.128.109.0/24     AS4802  ASN-IINET iiNet Limited
        202.136.254.0/24     AS4808  CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
        202.136.255.0/24     AS4808  CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
        202.148.32.0/20      AS17495 GATEWAY-AP BROADBAND WIRELESSS INTERNET SERVICE PROVIDER
        202.164.100.0/24     AS18101 RIL-IDC Reliance Infocom Ltd Internet Data Centre,
        202.174.70.0/24      AS21175 M-LINK M-Link Teleport s.a.
        202.174.71.0/24      AS23924 
        202.174.72.0/22      AS23924 
        202.182.32.0/22      AS10223 UECOMM-AU Uecomm Ltd
        203.12.45.0/24       AS4854  NETSPACE-AS-AP Netspace Online Systems
        203.62.0.0/17        AS7575  AARNET-AS-AP Australian Academic and Reasearch Network (AARNet)
        203.78.48.0/20       AS9299  IPG-AS-AP Philippine Long Distance Telephone Company
        203.89.139.0/24      AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd.
        203.111.192.0/20     AS7473  SINGTEL-AS-AP Singapore Telecom
        203.112.97.0/24      AS9942  COMINDICO-AP SOUL Converged Communications Australia
        203.112.111.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.112.113.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.112.114.0/24     AS4802  ASN-IINET iiNet Limited
        203.112.116.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.112.117.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.112.118.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.112.119.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.112.120.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.112.121.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.112.127.0/24     AS7474  OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
        203.128.128.0/19     AS4134  CHINANET-BACKBONE No.31,Jin-rong Street
        203.128.128.0/24     AS23849 CNNIC-NET263-AP Beijing  Capital-online  science development Co.,Ltd.
        203.152.136.0/23     AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport
        203.152.138.0/23     AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport
        203.152.142.0/24     AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport
        203.152.143.0/24     AS23649 NEWSKIES-AS-AP New Skies Satellites, Hong Kong Teleport
        203.160.110.0/23     AS7643  VNN-AS-AP Vietnam Posts and Telecommunications (VNPT)
        204.13.140.0/22      AS7270  
        204.16.120.0/23      AS12077 
        204.16.122.0/23      AS12077 
        204.29.196.0/24      AS7018  
        204.29.197.0/24      AS7018  
        204.48.58.0/24       AS4323  
        204.48.60.0/24       AS4323  
        204.153.68.0/24      AS4017  
        204.153.71.0/24      AS4017  
        204.154.125.0/24     AS3952  
        204.154.126.0/24     AS3952  
        204.154.127.0/24     AS3952  
        205.150.0.0/15       AS701   
        205.167.238.0/24     AS209   
        205.167.239.0/24     AS209   
        206.28.176.0/21      AS1273  CW Cable & Wireless
        206.55.208.0/20      AS22180 
        206.72.64.0/20       AS19130 
        206.162.224.0/19     AS23464 
        206.180.240.0/20     AS12083 
        206.220.240.0/24     AS10764 
        206.220.240.64/26    AS22335 
        206.220.240.160/30   AS10764 
        206.220.240.220/32   AS10764 
        206.220.241.0/24     AS10764 
        207.98.192.0/24      AS701   
        207.98.209.0/24      AS701   
        207.98.223.0/24      AS701   
        207.189.62.0/23      AS7132  
        207.204.168.0/24     AS15150 
        207.204.222.0/24     AS15218 
        207.204.248.0/24     AS6653  
        207.231.96.0/19      AS11194 
        208.64.12.0/22       AS22773 
        208.118.160.0/19     AS22925 
        209.54.42.0/24       AS6653  
        209.54.93.0/24       AS15218 
        209.54.111.0/24      AS15218 
        209.54.123.0/24      AS6062  
        209.54.142.0/24      AS12284 
        209.54.240.0/21      AS10887 
        209.105.224.0/19     AS20074 
        209.140.64.0/20      AS22307 
        209.140.90.0/24      AS14461 
        209.140.224.0/21     AS10573 
        209.140.234.0/24     AS10573 
        209.140.235.0/24     AS10573 
        209.140.236.0/24     AS10573 
        209.140.237.0/24     AS10573 
        209.140.238.0/24     AS10573 
        209.140.239.0/24     AS10573 
        209.141.4.0/24       AS6653  
        209.141.16.0/21      AS10573 
        209.141.48.0/22      AS14461 
        209.141.104.0/24     AS6653  
        209.207.24.0/24      AS21829 
        209.207.36.0/24      AS21829 
        210.5.128.0/20       AS4837  CHINA169-BACKBONE CNCGROUP China169 Backbone
        212.121.96.0/19      AS8509  ALTECTELECOMS ALTEC TELECOMS Autonomous System
        216.7.139.0/24       AS701   
        216.37.114.0/23      AS3549  GBLX Global Crossing Ltd.
        216.37.120.0/23      AS13377 
        216.59.0.0/17        AS3356  LEVEL3 Level 3 Communications
        216.71.224.0/20      AS14543 
        216.99.16.0/24       AS6395  
        216.99.17.0/24       AS6395  
        216.99.20.0/24       AS6395  
        216.172.198.0/24     AS15218 
        216.172.199.0/24     AS15218 
        216.198.0.0/19       AS6137  
        216.198.32.0/19      AS7459  
        216.210.86.0/24      AS577   
        216.227.128.0/18     AS19548 
        216.240.240.0/24     AS7018  
        216.240.241.0/24     AS7018  
        216.240.242.0/24     AS7018  
        216.251.203.0/24     AS7132  
        216.251.205.0/24     AS209   
        216.251.207.0/24     AS1239  


Please see http://www.cidr-report.org for the full report

------------------------------------
Copies of this report are mailed to:
  nanog@localhost
  eof-list@localhost
  apops@localhost
  routing-wg@localhost
  afnog@localhost