[routing-wg] The Cidr Report

18 Nov 2011

      This report has been generated at Fri Nov 18 21:12:31 2011 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
        11-11-11    383517      224976
        12-11-11    383866      222778
        13-11-11    382573      224878
        14-11-11    383706      224973
        15-11-11    384163      225105
        16-11-11    384097      225263
        17-11-11    384218      225441
        18-11-11    384382      225242

AS Summary
         39442  Number of ASes in routing system
         16629  Number of ASes announcing only one prefix
          3541  Largest number of prefixes announced by an AS
                AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
      108833792  Largest address span announced by an AS (/32s)
                AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street

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').

 --- 18Nov11 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     384714   225263   159451    41.4%   All ASes

AS6389      3541      227     3314    93.6%   BELLSOUTH-NET-BLK -
                                               BellSouth.net Inc.
AS18566     2093      406     1687    80.6%   COVAD - Covad Communications
                                               Co.
AS4766      2516      994     1522    60.5%   KIXS-AS-KR Korea Telecom
AS7029      2947     1529     1418    48.1%   WINDSTREAM - Windstream
                                               Communications Inc
AS22773     1500      112     1388    92.5%   ASN-CXA-ALL-CCI-22773-RDC -
                                               Cox Communications Inc.
AS4755      1524      245     1279    83.9%   TATACOMM-AS TATA
                                               Communications formerly VSNL
                                               is Leading ISP
AS4323      1615      391     1224    75.8%   TWTC - tw telecom holdings,
                                               inc.
AS28573     1501      423     1078    71.8%   NET Servicos de Comunicao S.A.
AS1785      1851      781     1070    57.8%   AS-PAETEC-NET - PaeTec
                                               Communications, Inc.
AS19262     1387      401      986    71.1%   VZGNI-TRANSIT - Verizon Online
                                               LLC
AS7552      1394      426      968    69.4%   VIETEL-AS-AP Vietel
                                               Corporation
AS10620     1706      745      961    56.3%   Telmex Colombia S.A.
AS8402      1539      604      935    60.8%   CORBINA-AS OJSC "Vimpelcom"
AS7303      1238      360      878    70.9%   Telecom Argentina S.A.
AS18101      953      149      804    84.4%   RELIANCE-COMMUNICATIONS-IN
                                               Reliance Communications
                                               Ltd.DAKC MUMBAI
AS8151      1451      677      774    53.3%   Uninet S.A. de C.V.
AS4808      1097      341      756    68.9%   CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS30036     1428      676      752    52.7%   MEDIACOM-ENTERPRISE-BUSINESS -
                                               Mediacom Communications Corp
AS7545      1627      948      679    41.7%   TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS3356      1107      457      650    58.7%   LEVEL3 Level 3 Communications
AS17974     1647     1007      640    38.9%   TELKOMNET-AS2-AP PT
                                               Telekomunikasi Indonesia
AS24560      965      339      626    64.9%   AIRTELBROADBAND-AS-AP Bharti
                                               Airtel Ltd., Telemedia
                                               Services
AS17676      663       71      592    89.3%   GIGAINFRA Softbank BB Corp.
AS20115     1596     1008      588    36.8%   CHARTER-NET-HKY-NC - Charter
                                               Communications
AS4804       680       95      585    86.0%   MPX-AS Microplex PTY LTD
AS3549      1013      445      568    56.1%   GBLX Global Crossing Ltd.
AS22561      935      375      560    59.9%   DIGITAL-TELEPORT - Digital
                                               Teleport Inc.
AS22047      580       33      547    94.3%   VTR BANDA ANCHA S.A.
AS7011      1168      646      522    44.7%   FRONTIER-AND-CITIZENS -
                                               Frontier Communications of
                                               America, Inc.
AS17488      908      392      516    56.8%   HATHWAY-NET-AP Hathway IP Over
                                               Cable Internet

Total      44170    15303    28867    65.4%   Top 30 total

Possible Bogus Routes

        10.86.64.32/30       AS65530 -Private Use AS-
        10.86.64.36/30       AS65530 -Private Use AS-
        10.86.65.32/30       AS65530 -Private Use AS-
        10.86.65.36/30       AS65530 -Private Use AS-
        10.255.255.0/30      AS65530 -Private Use AS-
        10.255.255.4/30      AS65530 -Private Use AS-
        10.255.255.8/30      AS65530 -Private Use AS-
        41.222.79.0/24       AS37345 MEDALLION
        41.223.92.0/22       AS36936 CELTEL-GABON Celtel Gabon Internet Service
        62.61.220.0/24       AS24974 TACHYON-EU Tachyon Europe BV
        62.61.221.0/24       AS24974 TACHYON-EU Tachyon Europe BV
        64.21.192.0/20       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        64.21.212.0/22       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        64.21.216.0/21       AS11610 INETNEBR-1 - Internet Nebraska Corporation
        66.171.32.0/20       AS705   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        66.180.239.0/24      AS35888 VIGNETTE - VIGNETTE CORPORATION
        66.207.32.0/20       AS23011 
        66.245.176.0/20      AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC
        69.6.80.0/24         AS13442 
        71.19.134.0/23       AS3313  INET-AS BT Italia S.p.A.
        80.88.10.0/24        AS33774 DJAWEB
        100.42.16.0/20       AS46841 FORKNETWORKING - Fork Networking, LLC
        110.34.44.0/22       AS12653 COMTONET KB Impuls Hellas
        116.206.72.0/24      AS6461  MFNX MFN - Metromedia Fiber Network
        116.206.85.0/24      AS6461  MFNX MFN - Metromedia Fiber Network
        116.206.103.0/24     AS6461  MFNX MFN - Metromedia Fiber Network
        117.120.56.0/21      AS4755  TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
        121.46.0.0/16        AS4134  CHINANET-BACKBONE No.31,Jin-rong Street
        142.54.0.0/19        AS23498 CDSI - Cogeco Data Services Inc.
        172.45.1.0/24        AS29571 CITelecom-AS
        172.45.2.0/24        AS29571 CITelecom-AS
        172.45.3.0/24        AS29571 CITelecom-AS
        172.102.0.0/22       AS4812  CHINANET-SH-AP China Telecom (Group)
        190.104.32.0/21      AS27882 Telefónica Celular de Bolivia S.A.
        200.6.93.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.6.94.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.6.95.0/24        AS6400  Compañía Dominicana de Teléfonos, C. por A. - CODETEL
        200.23.84.0/24       AS8151  Uninet S.A. de C.V.
        200.24.73.0/24       AS26061 Equant Colombia
        200.24.78.0/26       AS3549  GBLX Global Crossing Ltd.
        200.24.78.64/26      AS3549  GBLX Global Crossing Ltd.
        200.33.40.0/24       AS11172 Alestra, S. de R.L. de C.V.
        200.34.0.0/20        AS6342  Instituto Tecnológico y de Estudios Superiores de Monterrey
        200.53.0.0/19        AS13878 Diveo do Brasil Telecomunicacoes Ltda
        202.1.224.0/24       AS10097 FLOWCOM Flow Communications 2/541 Kent St Sydney NSW 2000
        202.8.106.0/24       AS9530  SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
        202.9.55.0/24        AS2764  AAPT AAPT Limited
        202.58.113.0/24      AS19161 
        202.61.75.0/24       AS9927  PHILCOMNET-PH A Multihomed ISP Company
        202.83.120.0/21      AS37972 
        202.83.124.0/24      AS37972 
        202.83.125.0/24      AS37972 
        202.83.126.0/24      AS37972 
        202.94.1.0/24        AS4808  CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
        202.133.70.0/24      AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited
        202.160.152.0/22     AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD
        202.174.125.0/24     AS9498  BBIL-AP BHARTI Airtel Ltd.
        202.176.1.0/24       AS9942  COMINDICO-AP SOUL Converged Communications Australia
        202.179.131.0/24     AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        202.179.134.0/24     AS23966 LDN-AS-PK LINKdotNET Telecom Limited
        202.179.144.0/24     AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        203.23.1.0/24        AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.24.38.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.30.127.0/24      AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.86.0/23       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.86.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.87.0/24       AS18111 NETSPEED-AS-AP Netspeed Internet Communications
        203.32.188.0/24      AS1221  ASN-TELSTRA Telstra Pty Ltd
        203.142.219.0/24     AS45149 
        203.175.107.0/24     AS45595 PKTELECOM-AS-PK Pakistan Telecom Company Limited
        205.150.0.0/15       AS701   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        205.175.214.0/24     AS5583  ORANGE-BUSINESS-SERVICES-BENELUX France Telecom S.A.
        205.207.148.0/23     AS812   ROGERS-CABLE - Rogers Cable Communications Inc.
        205.233.73.0/24      AS11605 FLUIDSOFT-14 - Fluidsoft Incorporated
        206.123.129.0/24     AS10790 INREACH-AS - InReach Internet
        206.180.240.0/20     AS12083 KNOLOGY-NET - Knology Holdings
        206.197.184.0/24     AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company
        207.174.131.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.132.0/23     AS26116 INDRA - Indra's Net Inc.
        207.174.152.0/23     AS26116 INDRA - Indra's Net Inc.
        207.174.154.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.155.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.200.0/24     AS22658 EARTHNET - Earthnet, Inc.
        207.174.248.0/21     AS6653  PRIVATEI - privateI, LLC
        207.231.96.0/19      AS11194 NUNETPA - NuNet Inc.
        208.64.240.0/21      AS13871 TELEBYTE-NW - Telebyte NW
        208.83.53.0/24       AS40569 YGOMI-AS - Ygomi LLC
        209.148.64.0/19      AS13773 TELNETCOMM - Telnet Communications
        209.177.64.0/20      AS6461  MFNX MFN - Metromedia Fiber Network
        209.213.0.0/20       AS33005 ELTOPIA - Eltopia.com, LLC
        210.56.150.0/23      AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED
        216.21.160.0/20      AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport
        216.194.160.0/20     AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport

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

------------------------------------
Copies of this report are mailed to:
  nanog@nanog.org
  eof-list@ripe.net
  apops@apops.net
  routing-wg@ripe.net
  afnog@afnog.org

[routing-wg] The Cidr Report

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