The Cidr Report
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To: cidr-report@localhost
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From: cidr-report@localhost
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Date: Fri, 6 May 2011 22:00:00 GMT
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Cc: nanog@localhost, eof-list@localhost, apops@localhost, routing-wg@localhost, afnog@localhost
This report has been generated at Fri May 6 21:12:10 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
29-04-11 359398 210528
30-04-11 359141 210245
01-05-11 359150 210332
02-05-11 359477 210568
03-05-11 359727 210958
04-05-11 359799 211320
05-05-11 360266 210489
06-05-11 359540 210997
AS Summary
37602 Number of ASes in routing system
15851 Number of ASes announcing only one prefix
3647 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
110377472 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').
--- 06May11 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 360041 210977 149064 41.4% All ASes
AS6389 3647 260 3387 92.9% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS4323 2574 403 2171 84.3% TWTC - tw telecom holdings,
inc.
AS4766 2451 927 1524 62.2% KIXS-AS-KR Korea Telecom
AS6478 1667 207 1460 87.6% ATT-INTERNET3 - AT&T Services,
Inc.
AS22773 1329 96 1233 92.8% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS19262 1496 298 1198 80.1% VZGNI-TRANSIT - Verizon Online
LLC
AS18566 1782 659 1123 63.0% COVAD - Covad Communications
Co.
AS10620 1458 348 1110 76.1% Telmex Colombia S.A.
AS4755 1461 377 1084 74.2% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS7552 1204 128 1076 89.4% VIETEL-AS-AP Vietel
Corporation
AS1785 1788 763 1025 57.3% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS28573 1298 416 882 68.0% NET Servicos de Comunicao S.A.
AS18101 935 145 790 84.5% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS7545 1567 788 779 49.7% TPG-INTERNET-AP TPG Internet
Pty Ltd
AS24560 1151 415 736 63.9% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS8151 1368 636 732 53.5% Uninet S.A. de C.V.
AS4808 1040 333 707 68.0% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS3356 1116 452 664 59.5% LEVEL3 Level 3 Communications
AS7303 927 273 654 70.6% Telecom Argentina S.A.
AS17488 938 308 630 67.2% HATHWAY-NET-AP Hathway IP Over
Cable Internet
AS11492 1262 638 624 49.4% CABLEONE - CABLE ONE, INC.
AS17676 660 70 590 89.4% GIGAINFRA Softbank BB Corp.
AS855 634 56 578 91.2% CANET-ASN-4 - Bell Aliant
Regional Communications, Inc.
AS14420 665 99 566 85.1% CORPORACION NACIONAL DE
TELECOMUNICACIONES - CNT EP
AS3549 948 399 549 57.9% GBLX Global Crossing Ltd.
AS4780 745 196 549 73.7% SEEDNET Digital United Inc.
AS22047 557 30 527 94.6% VTR BANDA ANCHA S.A.
AS22561 863 341 522 60.5% DIGITAL-TELEPORT - Digital
Teleport Inc.
AS6503 802 297 505 63.0% Axtel, S.A.B. de C.V.
AS17974 1813 1311 502 27.7% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
Total 40146 11669 28477 70.9% 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-
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.
31.210.248.0/21 AS35706 NAO Net at Once Sweden AB
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
192.188.208.0/20 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.
200.24.73.0/24 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@localhost 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.
216.105.192.0/23 AS7385 INTEGRATELECOM - Integra Telecom, Inc.
216.105.196.0/23 AS7385 INTEGRATELECOM - Integra Telecom, Inc.
216.105.200.0/21 AS7385 INTEGRATELECOM - Integra Telecom, 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
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