The Cidr Report

20 May 2011

      This report has been generated at Fri May 20 21:12:21 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
        13-05-11    360084      211757
        14-05-11    359950      211872
        15-05-11    360334      212313
        16-05-11    360575      212286
        17-05-11    360513      212137
        18-05-11    360752      211911
        19-05-11    360924      212120
        20-05-11    360980      212321

AS Summary
         37725  Number of ASes in routing system
         15882  Number of ASes announcing only one prefix
          3644  Largest number of prefixes announced by an AS
                AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
      110385408  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').

 --- 20May11 ---
ASnum    NetsNow NetsAggr  NetGain   % Gain   Description

Table     361233   212306   148927    41.2%   All ASes

AS6389      3644      260     3384    92.9%   BELLSOUTH-NET-BLK -
                                               BellSouth.net Inc.
AS4323      1977      399     1578    79.8%   TWTC - tw telecom holdings,
                                               inc.
AS4766      2457      929     1528    62.2%   KIXS-AS-KR Korea Telecom
AS6478      1693      283     1410    83.3%   ATT-INTERNET3 - AT&T Services,
                                               Inc.
AS22773     1330       97     1233    92.7%   ASN-CXA-ALL-CCI-22773-RDC -
                                               Cox Communications Inc.
AS19262     1496      300     1196    79.9%   VZGNI-TRANSIT - Verizon Online
                                               LLC
AS18566     1860      717     1143    61.5%   COVAD - Covad Communications
                                               Co.
AS4755      1474      371     1103    74.8%   TATACOMM-AS TATA
                                               Communications formerly VSNL
                                               is Leading ISP
AS1785      1789      760     1029    57.5%   AS-PAETEC-NET - PaeTec
                                               Communications, Inc.
AS7552      1139      129     1010    88.7%   VIETEL-AS-AP Vietel
                                               Corporation
AS28573     1314      310     1004    76.4%   NET Servicos de Comunicao S.A.
AS10620     1481      491      990    66.8%   Telmex Colombia S.A.
AS18101      935      147      788    84.3%   RELIANCE-COMMUNICATIONS-IN
                                               Reliance Communications
                                               Ltd.DAKC MUMBAI
AS7545      1556      791      765    49.2%   TPG-INTERNET-AP TPG Internet
                                               Pty Ltd
AS4808      1084      333      751    69.3%   CHINA169-BJ CNCGROUP IP
                                               network China169 Beijing
                                               Province Network
AS8151      1376      646      730    53.1%   Uninet S.A. de C.V.
AS3356      1116      454      662    59.3%   LEVEL3 Level 3 Communications
AS11492     1280      652      628    49.1%   CABLEONE - CABLE ONE, INC.
AS17488      928      305      623    67.1%   HATHWAY-NET-AP Hathway IP Over
                                               Cable Internet
AS17676      665       70      595    89.5%   GIGAINFRA Softbank BB Corp.
AS7303       922      334      588    63.8%   Telecom Argentina S.A.
AS24560     1153      571      582    50.5%   AIRTELBROADBAND-AS-AP Bharti
                                               Airtel Ltd., Telemedia
                                               Services
AS14420      670       92      578    86.3%   CORPORACION NACIONAL DE
                                               TELECOMUNICACIONES - CNT EP
AS22561      917      358      559    61.0%   DIGITAL-TELEPORT - Digital
                                               Teleport Inc.
AS3549       950      395      555    58.4%   GBLX Global Crossing Ltd.
AS4780       751      200      551    73.4%   SEEDNET Digital United Inc.
AS22047      563       30      533    94.7%   VTR BANDA ANCHA S.A.
AS855        637      108      529    83.0%   CANET-ASN-4 - Bell Aliant
                                               Regional Communications, Inc.
AS17974     1829     1317      512    28.0%   TELKOMNET-AS2-AP PT
                                               Telekomunikasi Indonesia
AS4804       586       87      499    85.2%   MPX-AS Microplex PTY LTD

Total      39572    11936    27636    69.8%   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-
        24.48.0.0/14         AS5769  VIDEOTRON - Videotron Telecom Ltee
        24.225.128.0/18      AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc.
        24.225.192.0/18      AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc.
        24.225.192.0/23      AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc.
        24.225.224.0/21      AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc.
        24.225.237.0/24      AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc.
        24.225.248.0/21      AS36377 PATRIOT-MEDIA-NJ - Comcast Telecommunications, Inc.
        27.0.128.0/17        AS7514  MEX Media EXchange, Inc.
        41.222.79.0/24       AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited
        41.223.92.0/22       AS36936 CELTEL-GABON Celtel Gabon Internet Service
        45.127.0.0/16        AS13767 DBANK - DataBank Holdings, Ltd.
        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       AS16626 GNAXNET-AS - Global Net Access, LLC
        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 
        69.6.81.0/24         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
        110.34.44.0/22       AS12653 COMTONET KB Impuls Hellas
        115.42.28.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.40.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.42.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.44.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.47.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.48.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.49.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.50.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.51.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.52.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.53.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.54.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.55.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.56.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.57.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.58.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.59.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.61.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.62.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        115.42.63.0/24       AS1221  ASN-TELSTRA Telstra Pty Ltd
        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.
        158.222.70.0/23      AS6137  SISNA - SISNA, Inc.
        158.222.72.0/23      AS6137  SISNA - SISNA, Inc.
        158.222.224.0/20     AS19864 O1COMM - O1 COMMUNICATIONS
        158.222.224.0/22     AS19864 O1COMM - O1 COMMUNICATIONS
        158.222.229.0/24     AS19864 O1COMM - O1 COMMUNICATIONS
        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.
        192.9.0.0/16         AS11479 BRM-SUN-AS - Sun Microsystems, Inc
        192.64.85.0/24       AS1759  TSF-IP-CORE TeliaSonera Finland IP Network
        192.69.108.0/24      AS1759  TSF-IP-CORE TeliaSonera Finland IP Network
        192.101.46.0/24      AS6503  Axtel, S.A.B. de C.V.
        192.101.64.0/21      AS702   AS702 Verizon Business EMEA - Commercial IP service provider in Europe
        192.101.70.0/24      AS701   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        192.101.71.0/24      AS701   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        192.101.72.0/24      AS702   AS702 Verizon Business EMEA - Commercial IP service provider in Europe
        192.124.252.0/22     AS680   DFN-IP service G-WiN
        192.131.233.0/24     AS6389  BELLSOUTH-NET-BLK - BellSouth.net Inc.
        192.145.251.0/24     AS10026 PACNET Pacnet Global Ltd
        192.154.32.0/19      AS81    NCREN - MCNC
        192.154.64.0/19      AS81    NCREN - MCNC
        192.169.15.0/24      AS17444 NWT-AS-AP AS number for New World Telephone Ltd.
        192.188.208.0/20     AS721   DNIC-ASBLK-00721-00726 - DoD Network Information Center
        196.2.224.0/22       AS24863 LINKdotNET-AS
        196.6.108.0/24       AS5713  SAIX-NET
        196.13.201.0/24      AS2018  TENET-1
        196.13.202.0/24      AS2018  TENET-1
        196.13.203.0/24      AS2018  TENET-1
        196.13.204.0/24      AS2018  TENET-1
        196.110.105.0/24     AS8513  SKYVISION SkyVision Network Services
        196.202.224.0/21     AS8818  TELE Greenland Autonomous System
        198.1.2.0/24         AS4761  INDOSAT-INP-AP INDOSAT Internet Network Provider
        198.15.4.0/24        AS4323  TWTC - tw telecom holdings, inc.
        198.15.5.0/24        AS4323  TWTC - tw telecom holdings, inc.
        198.23.26.0/24       AS4390  BELLATLANTIC-COM - Bell Atlantic, Inc.
        198.73.210.0/24      AS21570 ACI-1 - Accelerated Connections Inc.
        198.74.38.0/24       AS16966 SBCIDC-LSAN03 - AT&T Internet Services
        198.74.39.0/24       AS16966 SBCIDC-LSAN03 - AT&T Internet Services
        198.74.40.0/24       AS16966 SBCIDC-LSAN03 - AT&T Internet Services
        198.97.72.0/21       AS721   DNIC-ASBLK-00721-00726 - DoD Network Information Center
        198.97.96.0/19       AS721   DNIC-ASBLK-00721-00726 - DoD Network Information Center
        198.97.240.0/20      AS721   DNIC-ASBLK-00721-00726 - DoD Network Information Center
        198.99.241.0/24      AS11797 AC-NIELSEN-AS AC NIELSEN
        198.161.87.0/24      AS6539  GT-BELL - Bell Canada
        198.163.214.0/24     AS21804 ACCESS-SK - Access Communications  Co-operative Limited
        198.167.0.0/16       AS7456  INTERHOP - Interhop Network SERVICES Inc.
        198.168.0.0/16       AS701   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        198.175.231.0/24     AS19262 VZGNI-TRANSIT - Verizon Online LLC
        198.180.198.0/24     AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services
        198.182.235.0/24     AS3356  LEVEL3 Level 3 Communications
        199.16.32.0/19       AS6389  BELLSOUTH-NET-BLK - BellSouth.net Inc.
        199.33.84.0/22       AS9911  CONNECTPLUS-AP Singapore Telecom
        199.121.0.0/16       AS721   DNIC-ASBLK-00721-00726 - DoD Network Information Center
        199.123.16.0/20      AS721   DNIC-ASBLK-00721-00726 - DoD Network Information Center
        199.185.130.0/23     AS19662 UNISERVE-ONLINE - Uniserve On Line
        199.202.0.0/16       AS701   UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
        199.202.216.0/21     AS577   BACOM - Bell Canada
        199.246.116.0/24     AS813   UUNET-CANADA - MCI Communications Services, Inc. d/b/a Verizon Business
        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
        200.24.73.0/24       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.
        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
        202.133.73.0/24      AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited
        202.146.186.0/24     AS23655 SNAP-NZ-AS Snap Internet Limited
        202.160.152.0/22     AS10113 DATAFAST-AP DATAFAST TELECOMMUNICATIONS LTD
        202.160.158.0/23     AS2764  AAPT AAPT Limited
        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
        203.190.32.0/22      AS24564 
        204.9.216.0/23       AS6389  BELLSOUTH-NET-BLK - BellSouth.net Inc.
        204.10.232.0/21      AS33150 
        204.19.14.0/23       AS577   BACOM - Bell Canada
        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
        205.189.134.0/24     AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD.
        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
        208.78.165.0/24      AS16565 
        208.83.53.0/24       AS40569 YGOMI-AS - Ygomi LLC
        208.92.196.0/22      AS10929 NETELLIGENT - Netelligent Hosting Services Inc.
        208.92.199.0/24      AS26198 3MENATWORK - 3Men@Work Integrated Networks, Inc.
        209.54.123.0/24      AS6062  NETPLEX - NETPLEX
        209.148.64.0/19      AS13773 TELNETCOMM - Telnet Communications
        209.165.239.0/24     AS209   ASN-QWEST - Qwest Communications Company, LLC
        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      AS13780 NTNCOMMUNICATIONS - NTN
        216.10.236.0/24      AS13780 NTNCOMMUNICATIONS - NTN
        216.21.160.0/20      AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport
        216.21.196.0/24      AS12251 INVISION - Invision.com, Inc.
        216.21.201.0/24      AS12251 INVISION - Invision.com, Inc.
        216.21.202.0/24      AS12251 INVISION - Invision.com, Inc.
        216.21.206.0/23      AS12251 INVISION - Invision.com, Inc.
        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.
        216.172.198.0/24     AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
        216.172.199.0/24     AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 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
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