This report has been generated at Fri Nov 21 21:25:56 2008 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
14-11-08 287463 175819
15-11-08 288017 176099
16-11-08 288342 1
17-11-08 1 176622
18-11-08 288552 177404
19-11-08 288990 177113
20-11-08 290680 178437
21-11-08 291693 179577
AS Summary
30068 Number of ASes in routing system
12708 Number of ASes announcing only one prefix
5063 Largest number of prefixes announced by an AS
AS4538 : ERX-CERNET-BKB China Education and Research Network Center
89764864 Largest address span announced by an AS (/32s)
AS27064: DDN-ASNBLK1 - DoD Network Information Center
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').
--- 21Nov08 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 291934 179551 112383 38.5% All ASes
AS4538 5063 877 4186 82.7% ERX-CERNET-BKB China Education
and Research Network Center
AS6389 4380 361 4019 91.8% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS209 3009 1336 1673 55.6% ASN-QWEST - Qwest
Communications Corporation
AS6298 2158 900 1258 58.3% ASN-CXA-PH-6298-CBS - Cox
Communications Inc.
AS17488 1428 299 1129 79.1% HATHWAY-NET-AP Hathway IP Over
Cable Internet
AS1785 1702 606 1096 64.4% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS4323 1592 516 1076 67.6% TWTC - tw telecom holdings,
inc.
AS4755 1207 214 993 82.3% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS22773 1013 85 928 91.6% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS6478 1677 760 917 54.7% ATT-INTERNET3 - AT&T WorldNet
Services
AS8151 1401 570 831 59.3% Uninet S.A. de C.V.
AS11492 1217 470 747 61.4% CABLEONE - CABLE ONE, INC.
AS2386 1604 923 681 42.5% INS-AS - AT&T Data
Communications Services
AS19262 930 256 674 72.5% VZGNI-TRANSIT - Verizon
Internet Services Inc.
AS4766 1150 495 655 57.0% KIXS-AS-KR Korea Telecom
AS18101 788 177 611 77.5% RIL-IDC Reliance Infocom Ltd
Internet Data Centre,
AS9498 690 116 574 83.2% BBIL-AP BHARTI Airtel Ltd.
AS3356 1089 516 573 52.6% LEVEL3 Level 3 Communications
AS18566 1059 552 507 47.9% COVAD - Covad Communications
Co.
AS7545 663 168 495 74.7% TPG-INTERNET-AP TPG Internet
Pty Ltd
AS4808 634 158 476 75.1% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS855 597 134 463 77.6% CANET-ASN-4 - Bell Aliant
AS24560 623 173 450 72.2% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS17676 522 79 443 84.9% GIGAINFRA BB TECHNOLOGY Corp.
AS7018 1439 998 441 30.6% ATT-INTERNET4 - AT&T WorldNet
Services
AS9443 525 84 441 84.0% INTERNETPRIMUS-AS-AP Primus
Telecommunications
AS22047 568 154 414 72.9% VTR BANDA ANCHA S.A.
AS4668 695 282 413 59.4% LGNET-AS-KR LG CNS
AS4780 735 330 405 55.1% SEEDNET Digital United Inc.
AS4804 501 100 401 80.0% MPX-AS Microplex PTY LTD
Total 40659 12689 27970 68.8% Top 30 total
Possible Bogus Routes
24.75.116.0/22 AS10796 SCRR-10796 - Road Runner HoldCo LLC
24.75.160.0/19 AS7843 ADELPHIA-AS - Road Runner HoldCo LLC
24.142.40.0/21 AS7018 ATT-INTERNET4 - AT&T WorldNet Services
24.142.160.0/19 AS7018 ATT-INTERNET4 - AT&T WorldNet Services
24.245.128.0/17 AS11492 CABLEONE - CABLE ONE, INC.
24.246.0.0/17 AS7018 ATT-INTERNET4 - AT&T WorldNet Services
24.246.128.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services
41.187.0.0/16 AS20928 NOOR-AS
62.61.220.0/23 AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite
62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite
62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV - Wireless Broadband via Satellite
62.212.32.0/19 AS34797 EGRISI-AS Egrisi JSC.
63.140.213.0/24 AS22555 UTC - Universal Talkware Corporation
63.143.251.0/24 AS22555 UTC - Universal Talkware Corporation
63.248.0.0/16 AS3356 LEVEL3 Level 3 Communications
64.7.112.0/21 AS6453 GLOBEINTERNET TATA Communications
64.7.120.0/21 AS6453 GLOBEINTERNET TATA Communications
64.64.159.0/24 AS32004 BIG-ASN - Business Information Group, Inc.
64.79.88.0/24 AS26096 LODDEN - Lodden Services
64.79.89.0/24 AS26096 LODDEN - Lodden Services
64.188.0.0/16 AS3356 LEVEL3 Level 3 Communications
66.11.32.0/20 AS6261 VISINET - Visionary Systems, Inc.
66.11.40.0/21 AS6261 VISINET - Visionary Systems, Inc.
66.54.91.0/24 AS30506 BLACKSUN-1 - Blacksun Technologies LLC
66.55.160.0/19 AS29994
66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION
66.199.32.0/20 AS10397 WISP-AS - Wispnet, LLC
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
66.206.40.0/22 AS174 COGENT Cogent/PSI
66.206.44.0/23 AS174 COGENT Cogent/PSI
66.206.47.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
66.207.32.0/20 AS23011
69.71.192.0/20 AS13818 PHX-INTL-TELEPORT - Phoenix International Teleport
69.80.0.0/17 AS3043 AMPHIB-AS - Amphibian Media Corporation
80.88.0.0/21 AS33774 DJAWEB
80.88.8.0/22 AS33774 DJAWEB
80.88.10.0/24 AS33774 DJAWEB
80.88.12.0/24 AS33779 wataniya-telecom-as
87.244.128.0/18 AS8733 CHELLO-BELGIUM UPC Belgium - Chello Belgium
91.207.236.0/23 AS3329 Hellas Online SA
98.96.0.0/13 AS7018 ATT-INTERNET4 - AT&T WorldNet Services
100.10.10.0/24 AS14000 AXTEL, S.A. de C.V.
119.31.232.0/21 AS38870
121.50.168.0/21 AS9931 CAT-AP The Communication Authoity of Thailand, CAT
124.109.16.0/21 AS38137
137.0.0.0/13 AS27064 DDN-ASNBLK1 - DoD Network Information Center
151.135.0.0/16 AS4768 CLIX-NZ TelstraClear Ltd
163.142.0.0/16 AS2500 WIDE-BB WIDE Project
169.254.0.0/16 AS13184 HANSENET HanseNet Telekommunikation GmbH
172.7.0.0/24 AS28175
172.10.1.0/30 AS18305 POSNET POSDATA Co.,Ltd
188.0.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
188.0.0.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
188.0.0.0/24 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS project
192.9.0.0/16 AS11479 BRM-SUN-AS - Sun Microsystems, Inc
192.9.200.0/24 AS3602 AS3602-RTI - Rogers Telecom Inc.
192.40.105.0/24 AS12582 TSF-DATANET-NGD-AS TSF MPLS VPN Services
192.64.85.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network
192.69.107.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network
192.69.108.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network
192.69.177.0/24 AS1759 TSF-IP-CORE TeliaSonera Finland IP Network
192.70.164.0/24 AS25689 NRCNET-AS - National Research Council of Canada
192.96.36.0/24 AS5713 SAIX-NET
192.96.37.0/24 AS10474 NETACTIVE
192.96.135.0/24 AS2018 TENET-1
192.96.136.0/23 AS2018 TENET-1
192.96.141.0/24 AS2018 TENET-1
192.96.143.0/24 AS2018 TENET-1
192.96.145.0/24 AS2018 TENET-1
192.96.177.0/24 AS6083 POSIX-AFRICA
192.101.45.0/24 AS2905 TICSA-ASN
192.101.46.0/24 AS6503 Avantel, S.A.
192.101.47.0/24 AS6503 Avantel, S.A.
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
192.101.73.0/24 AS4765 WORLDNET-AS World Net & Services Co., Ltd.
192.101.74.0/24 AS1239 SPRINTLINK - Sprint
192.124.248.0/23 AS680 DFN-IP service G-WiN
192.124.252.0/22 AS680 DFN-IP service G-WiN
192.131.233.0/24 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc.
192.133.6.0/24 AS10282 EQUANT-CEEUR EQUANT AS for Central and Eastern Europe region
192.153.144.0/21 AS27064 DDN-ASNBLK1 - DoD Network Information Center
192.154.32.0/19 AS81 NCREN - MCNC
192.188.208.0/20 AS27064 DDN-ASNBLK1 - DoD Network Information Center
193.9.24.0/24 AS6746 ASTRAL ASTRAL Telecom SA, Romania
193.178.118.0/24 AS30836 NET23-AS 23VNET Ltd.
196.6.108.0/24 AS5713 SAIX-NET
196.10.119.0/24 AS2018 TENET-1
196.10.122.0/23 AS2018 TENET-1
196.10.251.0/24 AS2018 TENET-1
196.10.252.0/23 AS2018 TENET-1
196.10.254.0/24 AS2018 TENET-1
196.13.101.0/24 AS2018 TENET-1
196.13.102.0/23 AS2018 TENET-1
196.13.104.0/24 AS2018 TENET-1
196.13.121.0/24 AS2018 TENET-1
196.13.125.0/24 AS2018 TENET-1
196.13.126.0/24 AS2018 TENET-1
196.13.169.0/24 AS2018 TENET-1
196.13.174.0/23 AS2018 TENET-1
196.13.176.0/21 AS2018 TENET-1
196.13.192.0/22 AS2018 TENET-1
196.13.196.0/24 AS2018 TENET-1
196.201.98.0/24 AS29571 CITelecom-AS
198.23.26.0/24 AS4390 BELLATLANTIC-COM - Bell Atlantic, Inc.
198.54.82.0/24 AS2018 TENET-1
198.54.92.0/24 AS2018 TENET-1
198.54.222.0/24 AS2018 TENET-1
198.97.72.0/21 AS27064 DDN-ASNBLK1 - DoD Network Information Center
198.97.80.0/20 AS27064 DDN-ASNBLK1 - DoD Network Information Center
198.97.96.0/19 AS27064 DDN-ASNBLK1 - DoD Network Information Center
198.97.240.0/20 AS27064 DDN-ASNBLK1 - DoD Network Information Center
198.144.96.0/20 AS12185
198.161.87.0/24 AS6539 GT-BELL - Bell Canada
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
199.10.0.0/16 AS27064 DDN-ASNBLK1 - DoD Network Information Center
199.114.0.0/21 AS27064 DDN-ASNBLK1 - DoD Network Information Center
199.114.128.0/18 AS27064 DDN-ASNBLK1 - DoD Network Information Center
199.114.130.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center
199.114.131.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center
199.114.132.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center
199.114.134.0/24 AS3541 ITSDN-U4 - DoD Network Information Center
199.114.136.0/24 AS27044 DDN-ASNBLK1 - DoD Network Information Center
199.114.138.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center
199.114.140.0/24 AS3544 ITSDN-U7 - DoD Network Information Center
199.114.142.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center
199.114.144.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center
199.114.148.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center
199.114.150.0/24 AS6045 DDN-ASNBLK - DoD Network Information Center
199.114.152.0/24 AS27033 DDN-ASNBLK1 - DoD Network Information Center
199.114.153.0/24 AS27034 DDN-ASNBLK1 - DoD Network Information Center
199.114.154.0/24 AS1733 CENTAF-SWA - 754th Electronic Systems Group
199.114.156.0/24 AS1733 CENTAF-SWA - 754th Electronic Systems Group
199.114.160.0/24 AS1733 CENTAF-SWA - 754th Electronic Systems Group
199.121.0.0/16 AS27064 DDN-ASNBLK1 - DoD Network Information Center
199.123.0.0/18 AS27064 DDN-ASNBLK1 - DoD Network Information Center
199.123.16.0/20 AS27064 DDN-ASNBLK1 - DoD Network Information Center
199.123.80.0/21 AS27064 DDN-ASNBLK1 - DoD Network Information Center
199.189.32.0/19 AS7332 IQUEST-AS - IQuest Internet
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
200.0.187.0/24 AS19132
200.5.32.0/21 AS19132
202.58.113.0/24 AS19161 INNOCOM-TELECOM - INNOCOM TELECOM
202.72.40.0/21 AS38205
202.72.40.0/24 AS38205
202.72.41.0/24 AS38205
202.72.47.0/24 AS38205
202.73.144.0/20 AS4788 TMNET-AS-AP TM Net, Internet Service Provider
202.80.192.0/20 AS2706 HKSUPER-HK-AP Pacific Internet (Hong Kong) Limited
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
202.94.70.0/24 AS9837 POWERTEL-AP Powertel Ltd
202.124.195.0/24 AS17557 PKTELECOM-AS-AP Pakistan Telecom
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
202.150.56.0/24 AS38722
202.150.57.0/24 AS38722
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
203.89.139.0/24 AS17911 BRAINPK-AS-AP Brain Telecommunication Ltd.
203.111.192.0/20 AS7473 SINGTEL-AS-AP Singapore Telecommunications Ltd
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
203.128.128.0/19 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street
203.128.128.0/24 AS23849 CNNIC-NET263-AP Beijing Capital-online science development Co.,Ltd.
204.9.216.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc.
204.9.217.0/24 AS4323 TWTC - tw telecom holdings, inc.
204.9.218.0/23 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc.
204.13.140.0/22 AS7270 NET2PHONE - Net2Phone Corp.
204.16.120.0/23 AS12077
204.16.122.0/23 AS12077
204.19.14.0/23 AS577 BACOM - Bell Canada
204.48.58.0/24 AS4323 TWTC - tw telecom holdings, inc.
204.48.60.0/24 AS4323 TWTC - tw telecom holdings, inc.
204.154.125.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc.
204.154.126.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc.
204.154.127.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc.
205.150.0.0/15 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business
206.162.224.0/19 AS23464 ILCSNET - Interlink Computer Services
206.180.240.0/20 AS12083 KNOLOGY-NET - Knology Holdings
206.220.240.0/24 AS10764 STARTAP - National Center for Supercomputing Applications
206.220.240.64/26 AS22335 MREN - Metropolitan Research and Education Network
206.220.240.128/25 AS10764 STARTAP - National Center for Supercomputing Applications
206.220.240.220/32 AS10764 STARTAP - National Center for Supercomputing Applications
206.220.241.0/24 AS10764 STARTAP - National Center for Supercomputing Applications
207.191.128.0/19 AS10887 BPSI-AS - BPSI Internet Services
207.204.168.0/24 AS15150 BELLTECH-AS - BELLWETHER TECHNOLOGY CORPORATION
207.204.222.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
207.231.96.0/19 AS11194 NUNETPA - NuNet Inc.
208.38.192.0/18 AS3043 AMPHIB-AS - Amphibian Media Corporation
208.38.192.0/21 AS14237 BEAMSPEED1 - Beamspeed
208.38.202.0/24 AS14237 BEAMSPEED1 - Beamspeed
208.38.203.0/24 AS14237 BEAMSPEED1 - Beamspeed
208.38.204.0/22 AS14237 BEAMSPEED1 - Beamspeed
209.54.93.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
209.54.111.0/24 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
209.54.123.0/24 AS6062 NETPLEX - NETPLEX
209.54.240.0/21 AS10887 BPSI-AS - BPSI Internet Services
209.74.96.0/19 AS10912 INTERNAP-BLK - Internap Network Services Corporation
209.140.90.0/24 AS14461 NTSL - NET SOLUTIONS
209.140.224.0/21 AS10573 WEBNEXUS - WebNexus Communications Inc.
209.140.234.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc.
209.140.235.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc.
209.140.236.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc.
209.140.237.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc.
209.140.238.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc.
209.140.239.0/24 AS10573 WEBNEXUS - WebNexus Communications Inc.
209.141.16.0/21 AS10573 WEBNEXUS - WebNexus Communications Inc.
209.141.48.0/22 AS14461 NTSL - NET SOLUTIONS
209.145.192.0/18 AS3043 AMPHIB-AS - Amphibian Media Corporation
210.5.128.0/20 AS4837 CHINA169-BACKBONE CNCGROUP China169 Backbone
216.37.114.0/23 AS3549 GBLX Global Crossing Ltd.
216.37.120.0/23 AS13377
216.59.0.0/17 AS3356 LEVEL3 Level 3 Communications
216.99.16.0/24 AS6395 LVLT-6395 - Level 3 Communications, Inc.
216.99.20.0/24 AS6395 LVLT-6395 - Level 3 Communications, Inc.
216.162.96.0/19 AS7393 CYBERCON - CYBERCON, 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.
216.210.86.0/24 AS577 BACOM - Bell Canada
216.229.51.0/24 AS15211
216.240.240.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services
216.240.241.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services
216.240.242.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services
216.251.207.0/24 AS1239 SPRINTLINK - Sprint
217.67.64.0/20 AS43554 CDS-AS Cifrovye Dispetcherskie Sistemy
217.78.71.0/24 AS12491 IPPLANET-AS IPPlanet
217.78.72.0/24 AS12491 IPPLANET-AS IPPlanet
217.78.73.0/24 AS12491 IPPLANET-AS IPPlanet
Please see http://www.cidr-report.org for the full report