The Cidr Report

15 Jul 2011

      This report has been generated at Fri Jul 15 21:12:24 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
        08-07-11    366112      215481
        09-07-11    366207      215736
        10-07-11    366401      215635
        11-07-11    366352      215558
        12-07-11    366478      215748
        13-07-11    366636      215591
        14-07-11    366443      216081
        15-07-11    366674      216542

AS Summary
         38311  Number of ASes in routing system
         16161  Number of ASes announcing only one prefix
          3598  Largest number of prefixes announced by an AS
                AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
      109933792  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').

 --- 15Jul11 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     367374   216493   150881    41.1%   All ASes

AS6389      3598      245     3353    93.2%   BELLSOUTH-NET-BLK -
                                               BellSouth.net Inc.
AS4766      2470      956     1514    61.3%   KIXS-AS-KR Korea Telecom
AS18566     1913      497     1416    74.0%   COVAD - Covad Communications
                                               Co.
AS4755      1506      219     1287    85.5%   TATACOMM-AS TATA
                                               Communications formerly VSNL
                                               is Leading ISP
AS4323      1658      402     1256    75.8%   TWTC - tw telecom holdings,
                                               inc.
AS22773     1351       97     1254    92.8%   ASN-CXA-ALL-CCI-22773-RDC -
                                               Cox Communications Inc.
AS10620     1557      485     1072    68.9%   Telmex Colombia S.A.
AS1785      1809      764     1045    57.8%   AS-PAETEC-NET - PaeTec
                                               Communications, Inc.
AS19262     1427      406     1021    71.5%   VZGNI-TRANSIT - Verizon Online
                                               LLC
AS7552      1288      370      918    71.3%   VIETEL-AS-AP Vietel
                                               Corporation
AS28573     1276      388      888    69.6%   NET Servicos de Comunicao S.A.
AS7545      1554      712      842    54.2%   TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS18101      933      146      787    84.4%   RELIANCE-COMMUNICATIONS-IN
                                               Reliance Communications
                                               Ltd.DAKC MUMBAI
AS24560     1155      383      772    66.8%   AIRTELBROADBAND-AS-AP Bharti
                                               Airtel Ltd., Telemedia
                                               Services
AS8151      1447      691      756    52.2%   Uninet S.A. de C.V.
AS4808      1050      335      715    68.1%   CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS7303      1009      326      683    67.7%   Telecom Argentina S.A.
AS3356      1118      459      659    58.9%   LEVEL3 Level 3 Communications
AS17488      966      331      635    65.7%   HATHWAY-NET-AP Hathway IP Over
                                               Cable Internet
AS14420      690       88      602    87.2%   CORPORACION NACIONAL DE
                                               TELECOMUNICACIONES - CNT EP
AS20115     1633     1032      601    36.8%   CHARTER-NET-HKY-NC - Charter
                                               Communications
AS22561      963      362      601    62.4%   DIGITAL-TELEPORT - Digital
                                               Teleport Inc.
AS17676      670       71      599    89.4%   GIGAINFRA Softbank BB Corp.
AS3549       991      425      566    57.1%   GBLX Global Crossing Ltd.
AS22047      578       32      546    94.5%   VTR BANDA ANCHA S.A.
AS7011      1158      623      535    46.2%   FRONTIER-AND-CITIZENS -
                                               Frontier Communications of
                                               America, Inc.
AS4804       620       86      534    86.1%   MPX-AS Microplex PTY LTD
AS4780       748      217      531    71.0%   SEEDNET Digital United Inc.
AS17974     1544     1034      510    33.0%   TELKOMNET-AS2-AP PT
                                               Telekomunikasi Indonesia
AS15475      513        9      504    98.2%   NOL

Total      39193    12191    27002    68.9%   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       AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited
        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
        66.206.47.0/24       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.
        72.22.32.0/19        AS33150 
        76.77.32.0/19        AS2828  XO-AS15 - XO Communications
        80.88.10.0/24        AS33774 DJAWEB
        80.88.12.0/24        AS33779 wataniya-telecom-as
        91.230.160.0/23      AS34396 GAMER-AS 5 Point AG
        93.180.64.0/18       AS24950 SOFIASAT-AS Venus REIT OOD
        93.180.88.0/21       AS42410 PTP-AS Point To Point Ltd. AS
        93.180.96.0/19       AS42431 B-NET BiConsult Eood
        110.34.44.0/22       AS12653 COMTONET KB Impuls Hellas
        115.42.47.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        116.193.152.0/24     AS55536 MIHK-HK Pacswitch Globe Telecom
        116.193.153.0/24     AS55536 MIHK-HK Pacswitch Globe Telecom
        116.193.154.0/24     AS55536 MIHK-HK Pacswitch Globe Telecom
        116.193.155.0/24     AS55536 MIHK-HK Pacswitch Globe Telecom
        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.
        172.102.0.0/22       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
        190.102.32.0/20      AS30058 FDCSERVERS - FDCservers.net
        190.104.32.0/21      AS27882 Telefónica Celular de Bolivia S.A.
        191.0.0.0/8          AS237   MERIT-AS-14 - Merit Network Inc.
        193.111.87.0/24      AS24812 
        200.1.112.0/24       AS29754 GO2TEL GO2TEL.COM INC.
        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
        202.58.101.0/24      AS45645 
        202.58.113.0/24      AS19161 
        202.61.75.0/24       AS9927  PHILCOMNET-PH A Multihomed ISP Company
        202.63.80.0/24       AS9557  PKTELECOM-AS-PK Paknet Limited Merged into PTCL
        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
        202.133.73.0/24      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
        203.18.156.0/24      AS1221  ASN-TELSTRA Telstra Pty Ltd
        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
        204.10.232.0/21      AS33150 
        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.
        207.174.188.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.189.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.190.0/24     AS26116 INDRA - Indra's Net Inc.
        207.174.191.0/24     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
        210.5.128.0/20       AS4837  CHINA169-BACKBONE CNCGROUP China169 Backbone
        210.56.150.0/23      AS38138 INTECH-TRANSIT-BD InTech Online Limited, INTERNET SERVICE LIMITED
        216.10.235.0/24      AS7018  ATT-INTERNET4 - AT&T Services, Inc.
        216.21.160.0/20      AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport
        216.58.192.0/24      AS22702 X5SOLUTIONS - X5 Solutions, Inc.
        216.58.197.0/24      AS22702 X5SOLUTIONS - X5 Solutions, Inc.
        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

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

cidr-report＠potaroo.net

tags

participants (1)