The Cidr Report

cidr-report at potaroo.net cidr-report at potaroo.net
Fri Sep 16 17:00:00 CDT 2011


This report has been generated at Fri Sep 16 21:12:30 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
        09-09-11    373405      219926
        10-09-11    374200      219948
        11-09-11    374395      220145
        12-09-11    374644      220217
        13-09-11    374944      220346
        14-09-11    375016      220084
        15-09-11    374599      220272
        16-09-11    374860      220298


AS Summary
         38909  Number of ASes in routing system
         16445  Number of ASes announcing only one prefix
          3563  Largest number of prefixes announced by an AS
                AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
      108368864  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').

 --- 16Sep11 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     375091   220040   155051    41.3%   All ASes

AS6389      3563      229     3334    93.6%   BELLSOUTH-NET-BLK -
                                               BellSouth.net Inc.
AS4766      2508      974     1534    61.2%   KIXS-AS-KR Korea Telecom
AS18566     1912      378     1534    80.2%   COVAD - Covad Communications
                                               Co.
AS22773     1455      108     1347    92.6%   ASN-CXA-ALL-CCI-22773-RDC -
                                               Cox Communications Inc.
AS4755      1545      227     1318    85.3%   TATACOMM-AS TATA
                                               Communications formerly VSNL
                                               is Leading ISP
AS4323      1626      395     1231    75.7%   TWTC - tw telecom holdings,
                                               inc.
AS1785      1793      775     1018    56.8%   AS-PAETEC-NET - PaeTec
                                               Communications, Inc.
AS10620     1675      658     1017    60.7%   Telmex Colombia S.A.
AS28573     1351      353      998    73.9%   NET Servicos de Comunicao S.A.
AS19262     1395      400      995    71.3%   VZGNI-TRANSIT - Verizon Online
                                               LLC
AS7303      1156      308      848    73.4%   Telecom Argentina S.A.
AS18101      951      144      807    84.9%   RELIANCE-COMMUNICATIONS-IN
                                               Reliance Communications
                                               Ltd.DAKC MUMBAI
AS7552       978      178      800    81.8%   VIETEL-AS-AP Vietel
                                               Corporation
AS24560     1182      396      786    66.5%   AIRTELBROADBAND-AS-AP Bharti
                                               Airtel Ltd., Telemedia
                                               Services
AS8151      1415      656      759    53.6%   Uninet S.A. de C.V.
AS4808      1069      333      736    68.8%   CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS30036     1423      693      730    51.3%   MEDIACOM-ENTERPRISE-BUSINESS -
                                               Mediacom Communications Corp
AS7545      1597      873      724    45.3%   TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS3356      1105      450      655    59.3%   LEVEL3 Level 3 Communications
AS14420      732       97      635    86.7%   CORPORACION NACIONAL DE
                                               TELECOMUNICACIONES - CNT EP
AS20115     1595      967      628    39.4%   CHARTER-NET-HKY-NC - Charter
                                               Communications
AS22561      973      361      612    62.9%   DIGITAL-TELEPORT - Digital
                                               Teleport Inc.
AS3549      1051      446      605    57.6%   GBLX Global Crossing Ltd.
AS17676      675       70      605    89.6%   GIGAINFRA Softbank BB Corp.
AS17974     2010     1406      604    30.0%   TELKOMNET-AS2-AP PT
                                               Telekomunikasi Indonesia
AS4804       660       87      573    86.8%   MPX-AS Microplex PTY LTD
AS17488      958      387      571    59.6%   HATHWAY-NET-AP Hathway IP Over
                                               Cable Internet
AS22047      579       29      550    95.0%   VTR BANDA ANCHA S.A.
AS7011      1183      656      527    44.5%   FRONTIER-AND-CITIZENS -
                                               Frontier Communications of
                                               America, Inc.
AS4780       725      218      507    69.9%   SEEDNET Digital United Inc.

Total      40840    13252    27588    67.6%   Top 30 total


Possible Bogus Routes

        5.0.0.0/16           AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        5.1.0.0/21           AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        5.1.24.0/24          AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        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       AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited
        41.223.92.0/22       AS36936 CELTEL-GABON Celtel Gabon Internet Service
        46.18.104.0/21       AS3.746 
        50.115.160.0/20      AS32097 WII-KC - WholeSale Internet, Inc.
        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
        66.206.47.0/24       AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        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
        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)
        181.82.15.0/24       AS23982 SENDB-AS-KR Dongbu District Office of Education in Seoul
        181.82.16.0/24       AS23982 SENDB-AS-KR Dongbu District Office of Education in Seoul
        181.82.17.0/24       AS38418 SENSD-AS-KR seoul seondong district office of education
        181.82.18.0/24       AS38418 SENSD-AS-KR seoul seondong district office of education
        185.0.0.0/16         AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        185.1.0.0/21         AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        185.24.0.0/24        AS12654 RIPE-NCC-RIS-AS RIPE Network Coordination Center
        190.102.32.0/20      AS30058 FDCSERVERS - FDCservers.net
        190.104.32.0/21      AS27882 Telefónica Celular de Bolivia S.A.
        190.122.208.0/24     AS28066 COOP. MARIANO ACOSTA
        190.122.209.0/24     AS28066 COOP. MARIANO ACOSTA
        190.122.210.0/24     AS28066 COOP. MARIANO ACOSTA
        190.122.211.0/24     AS28066 COOP. MARIANO ACOSTA
        190.122.212.0/24     AS28066 COOP. MARIANO ACOSTA
        190.122.213.0/24     AS28066 COOP. MARIANO ACOSTA
        190.122.214.0/24     AS28066 COOP. MARIANO ACOSTA
        190.122.215.0/24     AS28066 COOP. MARIANO ACOSTA
        193.111.87.0/24      AS24812 
        195.54.52.0/23       AS3.523 
        195.54.52.0/24       AS3.523 
        195.54.53.0/24       AS3.523 
        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
        200.24.76.0/24       AS7195  Telecorp Colombia S.A.
        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
        202.9.55.0/24        AS2764  AAPT AAPT Limited
        202.9.57.0/24        AS2764  AAPT AAPT Limited
        202.58.113.0/24      AS19161 
        202.61.75.0/24       AS9927  PHILCOMNET-PH A Multihomed ISP Company
        202.74.232.0/24      AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        202.74.233.0/24      AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
        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 Orange Business Services (formerly Equant) AS for BENELUX
        205.207.148.0/23     AS812   ROGERS-CABLE - Rogers Cable Communications Inc.
        206.72.192.0/23      AS16526 BIRCH-TELECOM - Birch Telecom, Inc.
        206.72.194.0/23      AS16526 BIRCH-TELECOM - Birch Telecom, 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
        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
        216.58.200.0/24      AS18530 ISOMEDIA-1 - Isomedia Inc.
        216.194.160.0/20     AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport


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

------------------------------------
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