This archive is retained to ensure existing URLs remain functional. It will not contain any emails sent to this mailing list after July 1, 2024. For all messages, including those sent before and after this date, please visit the new location of the archive at https://mailman.ripe.net/archives/list/[email protected]/
[routing-wg] The Cidr Report

Previous message (by thread): [routing-wg] BGP Update Report
Next message (by thread): [routing-wg] The Cidr Report
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
cidr-report at potaroo.net cidr-report at potaroo.net
Fri Dec 2 23:00:00 CET 2011
This report has been generated at Fri Dec  2 21:12:17 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
        25-11-11    385336      226339
        26-11-11    385360      226218
        27-11-11    385375      226061
        28-11-11    385468      226133
        29-11-11    385372      226417
        30-11-11    385256      226157
        01-12-11    385044      226357
        02-12-11    385297      226059


AS Summary
         39564  Number of ASes in routing system
         16668  Number of ASes announcing only one prefix
          3484  Largest number of prefixes announced by an AS
                AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
      108964864  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').

 --- 02Dec11 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     385422   226094   159328    41.3%   All ASes

AS6389      3484      221     3263    93.7%   BELLSOUTH-NET-BLK -
                                               BellSouth.net Inc.
AS18566     2094      406     1688    80.6%   COVAD - Covad Communications
                                               Co.
AS4766      2514      996     1518    60.4%   KIXS-AS-KR Korea Telecom
AS7029      2953     1527     1426    48.3%   WINDSTREAM - Windstream
                                               Communications Inc
AS22773     1507      113     1394    92.5%   ASN-CXA-ALL-CCI-22773-RDC -
                                               Cox Communications Inc.
AS4755      1508      212     1296    85.9%   TATACOMM-AS TATA
                                               Communications formerly VSNL
                                               is Leading ISP
AS4323      1617      388     1229    76.0%   TWTC - tw telecom holdings,
                                               inc.
AS28573     1538      391     1147    74.6%   NET Servicos de Comunicao S.A.
AS1785      1856      783     1073    57.8%   AS-PAETEC-NET - PaeTec
                                               Communications, Inc.
AS19262     1388      402      986    71.0%   VZGNI-TRANSIT - Verizon Online
                                               LLC
AS10620     1703      726      977    57.4%   Telmex Colombia S.A.
AS7552      1386      415      971    70.1%   VIETEL-AS-AP Vietel
                                               Corporation
AS7303      1239      359      880    71.0%   Telecom Argentina S.A.
AS18101      959      156      803    83.7%   RELIANCE-COMMUNICATIONS-IN
                                               Reliance Communications
                                               Ltd.DAKC MUMBAI
AS8151      1338      546      792    59.2%   Uninet S.A. de C.V.
AS8402      1492      709      783    52.5%   CORBINA-AS OJSC "Vimpelcom"
AS30036     1435      681      754    52.5%   MEDIACOM-ENTERPRISE-BUSINESS -
                                               Mediacom Communications Corp
AS4808      1079      336      743    68.9%   CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS7545      1626      947      679    41.8%   TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS17974     1653      974      679    41.1%   TELKOMNET-AS2-AP PT
                                               Telekomunikasi Indonesia
AS3356      1102      455      647    58.7%   LEVEL3 Level 3 Communications
AS17676      673       72      601    89.3%   GIGAINFRA Softbank BB Corp.
AS24560      985      392      593    60.2%   AIRTELBROADBAND-AS-AP Bharti
                                               Airtel Ltd., Telemedia
                                               Services
AS20115     1603     1029      574    35.8%   CHARTER-NET-HKY-NC - Charter
                                               Communications
AS4804       664       95      569    85.7%   MPX-AS Microplex PTY LTD
AS22561      931      376      555    59.6%   DIGITAL-TELEPORT - Digital
                                               Teleport Inc.
AS22047      582       33      549    94.3%   VTR BANDA ANCHA S.A.
AS17488      945      413      532    56.3%   HATHWAY-NET-AP Hathway IP Over
                                               Cable Internet
AS3549       951      422      529    55.6%   GBLX Global Crossing Ltd.
AS7011      1169      647      522    44.7%   FRONTIER-AND-CITIZENS -
                                               Frontier Communications of
                                               America, Inc.

Total      43974    15222    28752    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
        66.175.222.0/23      AS30058 FDCSERVERS - FDCservers.net
        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 
        69.46.224.0/20       AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
        69.46.233.0/24       AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
        69.46.236.0/24       AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
        71.19.134.0/23       AS3313  INET-AS BT Italia S.p.A.
        80.88.10.0/24        AS33774 DJAWEB
        98.159.96.0/20       AS46975 
        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)
        176.227.144.0/20     AS29119 SERVIHOSTING-AS ServiHosting Networks S.L.
        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
        200.33.40.0/24       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
        202.179.134.0/24     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 
        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.
        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
        209.222.240.0/22     AS19747 
        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 at nanog.org
  eof-list at ripe.net
  apops at apops.net
  routing-wg at ripe.net
  afnog at afnog.org
Previous message (by thread): [routing-wg] BGP Update Report
Next message (by thread): [routing-wg] The Cidr Report
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
[ routing-wg Archives ]