This report has been generated at Fri Jul 9 21:11:35 2010 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
02-07-10 328551 201935
03-07-10 328172 202289
04-07-10 328506 202086
05-07-10 328496 202285
06-07-10 328385 202663
07-07-10 328504 202385
08-07-10 328535 202851
09-07-10 329107 202571
AS Summary
34808 Number of ASes in routing system
14764 Number of ASes announcing only one prefix
4480 Largest number of prefixes announced by an AS
AS4323 : TWTC - tw telecom holdings, inc.
96501056 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').
--- 09Jul10 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 329268 202640 126628 38.5% All ASes
AS6389 3901 295 3606 92.4% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS4323 4480 1771 2709 60.5% TWTC - tw telecom holdings,
inc.
AS19262 1827 274 1553 85.0% VZGNI-TRANSIT - Verizon
Internet Services Inc.
AS4766 1857 507 1350 72.7% KIXS-AS-KR Korea Telecom
AS22773 1168 70 1098 94.0% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS4755 1369 292 1077 78.7% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS18566 1087 63 1024 94.2% COVAD - Covad Communications
Co.
AS17488 1322 325 997 75.4% HATHWAY-NET-AP Hathway IP Over
Cable Internet
AS6478 1284 375 909 70.8% ATT-INTERNET3 - AT&T WorldNet
Services
AS8151 1526 620 906 59.4% Uninet S.A. de C.V.
AS10620 1063 231 832 78.3% Telmex Colombia S.A.
AS5668 948 132 816 86.1% AS-5668 - CenturyTel Internet
Holdings, Inc.
AS7545 1376 581 795 57.8% TPG-INTERNET-AP TPG Internet
Pty Ltd
AS8452 1164 417 747 64.2% TEDATA TEDATA
AS7303 760 116 644 84.7% Telecom Argentina S.A.
AS4804 678 72 606 89.4% MPX-AS Microplex PTY LTD
AS35805 650 52 598 92.0% SILKNET-AS SILKNET AS
AS4808 824 243 581 70.5% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS7018 1511 965 546 36.1% ATT-INTERNET4 - AT&T WorldNet
Services
AS7552 653 130 523 80.1% VIETEL-AS-AP Vietel
Corporation
AS4780 685 165 520 75.9% SEEDNET Digital United Inc.
AS1785 1778 1268 510 28.7% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS3356 1177 668 509 43.2% LEVEL3 Level 3 Communications
AS9443 570 75 495 86.8% INTERNETPRIMUS-AS-AP Primus
Telecommunications
AS17676 578 83 495 85.6% GIGAINFRA Softbank BB Corp.
AS7011 1133 652 481 42.5% FRONTIER-AND-CITIZENS -
Frontier Communications of
America, Inc.
AS24560 931 469 462 49.6% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS28573 1028 571 457 44.5% NET Servicos de Comunicao S.A.
AS7738 477 30 447 93.7% Telecomunicacoes da Bahia S.A.
AS36992 648 210 438 67.6% ETISALAT-MISR
Total 38453 11722 26731 69.5% Top 30 total
Possible Bogus Routes
31.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
31.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
31.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
41.222.79.0/24 AS36938 AMSCOTELECOMS Amsco Telecommunications Nigeria Limited
41.223.92.0/22 AS36936 CELTEL-GABON Celtel Gabon Internet Service
41.223.188.0/24 AS22351 INTELSAT Intelsat Global BGP Routing Policy
41.223.189.0/24 AS6453 GLOBEINTERNET TATA Communications
41.223.196.0/24 AS36990
41.223.197.0/24 AS36990
41.223.198.0/24 AS36990
41.223.199.0/24 AS36990
62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV
62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV
64.20.80.0/20 AS40028 SPD-NETWORK-1 - SPD NETWORK
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
64.82.128.0/19 AS16617 COMMUNITYISP - CISP
64.82.160.0/19 AS16617 COMMUNITYISP - CISP
66.128.38.0/24 AS15246 Telecomunicaciones Satelitales Telesat S.A.
66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION
66.206.32.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board
66.206.33.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board
66.206.34.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board
66.206.35.0/24 AS17787 PSEB-AS-PK Pakistan Software Export Board
66.206.47.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
66.207.32.0/20 AS23011
66.230.240.0/20 AS27286
66.241.112.0/20 AS21547 REVNETS - Revolution Networks
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
69.80.224.0/19 AS19166 ACRONOC - ACRONOC INC
71.19.134.0/23 AS3313 INET-AS I.NET S.p.A.
71.19.160.0/23 AS4648 NZIX-2 Netgate
72.22.32.0/19 AS33150
72.22.61.0/24 AS33150
72.22.62.0/24 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
110.173.64.0/19 AS37963 CNNIC-ALIBABA-CN-NET-AP Alibaba (China) Technology Co., Ltd.
116.68.136.0/21 AS28045 Pantel Communications
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
121.50.168.0/21 AS9931 CAT-AP The Communication Authoity of Thailand, CAT
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
176.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
176.1.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
176.1.24.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
181.0.0.0/8 AS237 MERIT-AS-14 - Merit Network Inc.
190.102.32.0/20 AS30058 ACTIVO-SYSTEMS-AS30058 ACTIVO-SYSTEMS-AS30058
190.104.32.0/21 AS27882 Telef�nica 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
192.70.164.0/24 AS25689 NRCNET-AS - National Research Council of Canada
192.101.45.0/24 AS16637 MTNNS-AS
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
192.101.74.0/24 AS1239 SPRINTLINK - Sprint
192.124.248.0/23 AS680 DFN-IP service X-WiN
192.124.252.0/22 AS680 DFN-IP service X-WiN
192.131.233.0/24 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc.
192.139.3.0/24 AS23184 PERSONA - PERSONA COMMUNICATIONS INC.
192.154.32.0/19 AS81 NCREN - MCNC
192.154.64.0/19 AS81 NCREN - MCNC
192.188.208.0/20 AS27064 DNIC-ASBLK-27032-27159 - 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
196.201.248.0/24 AS30991 SAHANNET Sahannet AS Network
196.201.249.0/24 AS30991 SAHANNET Sahannet AS Network
196.201.250.0/24 AS30991 SAHANNET Sahannet AS Network
196.201.251.0/24 AS30991 SAHANNET Sahannet AS Network
196.201.253.0/24 AS30991 SAHANNET Sahannet AS Network
196.201.255.0/24 AS30991 SAHANNET Sahannet AS Network
196.202.224.0/21 AS8818 TELE Greenland Autonomous System
198.1.2.0/24 AS4761 INDOSAT-INP-AP INDOSAT Internet Network Provider
198.23.26.0/24 AS33052 VZUNET - Verizon Data Services LLC
198.51.100.0/24 AS16953 ASCENT-MEDIA-GROUP-LLC - Ascent Media Group, LLC
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 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center
198.97.96.0/19 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center
198.97.240.0/20 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center
198.99.241.0/24 AS11797 AC-NIELSEN-AS AC NIELSEN
198.135.236.0/24 AS4358 XNET - XNet Information Systems, Inc.
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
198.169.0.0/16 AS803 SASKTEL - Saskatchewan Telecommunications
198.180.198.0/24 AS23715 SEOUL-INTGW-GXS-AP Global Exchange Services
198.182.235.0/24 AS3356 LEVEL3 Level 3 Communications
199.10.0.0/16 AS721 DNIC-ASBLK-00721-00726 - DoD Network Information Center
199.16.32.0/19 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc.
199.26.183.0/24 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
199.121.0.0/16 AS27064 DNIC-ASBLK-27032-27159 - DoD Network Information Center
199.123.16.0/20 AS27064 DNIC-ASBLK-27032-27159 - 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
199.233.92.0/24 AS26896 D102-ITC - Data 102, LLC
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.
202.9.55.0/24 AS2764 AAPT AAPT Limited
202.9.57.0/24 AS2764 AAPT AAPT Limited
202.38.63.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
202.58.113.0/24 AS19161
202.61.75.0/24 AS9927 PHILCOMNET-PH A Multihomed ISP Company
202.66.128.0/18 AS9584 GENESIS-AP Diyixian.com Limited
202.66.160.0/19 AS9584 GENESIS-AP Diyixian.com Limited
202.66.160.0/20 AS9584 GENESIS-AP Diyixian.com Limited
202.66.176.0/20 AS9584 GENESIS-AP Diyixian.com Limited
202.66.184.0/24 AS9584 GENESIS-AP Diyixian.com Limited
202.66.186.0/24 AS9584 GENESIS-AP Diyixian.com Limited
202.66.188.0/24 AS9584 GENESIS-AP Diyixian.com Limited
202.66.189.0/24 AS9584 GENESIS-AP Diyixian.com Limited
202.66.190.0/24 AS9584 GENESIS-AP Diyixian.com Limited
202.72.224.0/21 AS24013
202.73.144.0/20 AS4788 TMNET-AS-AP TM Net, Internet Service Provider
202.80.192.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited
202.81.18.0/24 AS2687 ASATTCA AT&T Global Network Services - AP
202.81.23.0/24 AS2687 ASATTCA AT&T Global Network Services - AP
202.81.24.0/24 AS2687 ASATTCA AT&T Global Network Services - AP
202.81.30.0/24 AS24300
202.81.31.0/24 AS2687 ASATTCA AT&T Global Network Services - AP
202.86.252.0/22 AS4748 RESOLINK-AS-AP Resources Link Network Limited
202.86.252.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications
202.86.253.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications
202.86.254.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications
202.86.255.0/24 AS9304 HUTCHISON-AS-AP Hutchison Global Communications
202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
202.133.37.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
202.133.70.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited
202.133.73.0/24 AS38616 WORLDCALL-AS-KHI Worldcall Telecom Limited
202.136.254.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
202.136.255.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
202.150.227.0/24 AS17727 NAPINFO-AS-AP PT. NAP Info Lintas Nusa
202.169.96.0/24 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd
202.169.98.0/24 AS10143 EXETEL-AS-AP Exetel Pty Ltd
202.174.70.0/24 AS21175 WIS Wind International Services SA
202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd.
202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia
202.179.130.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
202.179.131.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
202.179.133.0/24 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
202.179.149.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
202.179.150.0/24 AS17557 PKTELECOM-AS-PK Pakistan Telecommunication Company Limited
202.181.32.0/24 AS4645 ASN-HKNET-AP HKNet Co. Ltd
203.12.45.0/24 AS4854 NETSPACE-AS-AP Netspace Online Systems
203.62.0.0/17 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet)
203.78.48.0/20 AS9299 IPG-AS-AP Philippine Long Distance Telephone Company
203.80.136.0/21 AS4759 EVOSERVE-AS-AP EvoServe is a content and online access Internet provider company
203.112.111.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.112.113.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.112.114.0/24 AS4802 ASN-IINET iiNet Limited
203.112.116.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.112.117.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.112.118.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.112.119.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.112.120.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.112.121.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.112.127.0/24 AS7474 OPTUSCOM-AS01-AU SingTel Optus Pty Ltd
203.128.128.0/24 AS23849 CNNIC-NET263-AP Beijing Capital-online science development Co.,Ltd.
203.142.219.0/24 AS45149
204.9.216.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc.
204.9.218.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc.
204.10.232.0/21 AS33150
204.19.14.0/23 AS577 BACOM - Bell Canada
204.28.104.0/21 AS25973 MZIMA - Mzima Networks, Inc.
204.89.214.0/24 AS4323 TWTC - tw telecom holdings, inc.
204.197.0.0/16 AS3356 LEVEL3 Level 3 Communications
204.209.114.0/24 AS13768 PEER1 - Peer 1 Network Inc.
204.238.70.0/24 AS36826
205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
205.189.134.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD.
205.196.24.0/22 AS33724 BIZNESSHOSTING - VOLICO
205.210.145.0/24 AS11814 DISTRIBUTEL-AS11814 - DISTRIBUTEL COMMUNICATIONS LTD.
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.
208.73.4.0/22 AS27630 PREMIER - Premier Innovations, LLC
208.78.164.0/24 AS16565
208.78.165.0/24 AS16565
208.78.167.0/24 AS16565
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
209.105.224.0/19 AS20074
209.165.239.0/24 AS209 ASN-QWEST - Qwest Communications Company, LLC
209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC
209.213.1.0/24 AS7849 CROCKERCOM - CROCKER COMMUNICATIONS
209.213.4.0/24 AS7849 CROCKERCOM - CROCKER COMMUNICATIONS
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
210.247.224.0/19 AS7496 WEBCENTRAL-AS WebCentral
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.
216.250.112.0/20 AS7296 ALCHEMYNET - Alchemy Communications, Inc.
216.250.116.0/24 AS36066 UNI-MARKETING-ALLIANCE - Webhost4life.com
Please see http://www.cidr-report.org for the full report