This report has been generated at Fri Jun 29 21:12:59 2012 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
22-06-12 417401 241597
23-06-12 417626 242305
24-06-12 417693 242428
25-06-12 417814 241881
26-06-12 417414 242356
27-06-12 417776 242461
28-06-12 417970 242449
29-06-12 417364 242229
AS Summary
41522 Number of ASes in routing system
17336 Number of ASes announcing only one prefix
3397 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
113115104 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').
--- 29Jun12 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 417485 242253 175232 42.0% All ASes
AS6389 3397 192 3205 94.3% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS7029 3246 1630 1616 49.8% WINDSTREAM - Windstream
Communications Inc
AS22773 1655 136 1519 91.8% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS4766 2715 1299 1416 52.2% KIXS-AS-KR Korea Telecom
AS28573 1967 554 1413 71.8% NET Servicos de Comunicao S.A.
AS18566 2090 705 1385 66.3% COVAD - Covad Communications
Co.
AS2118 1288 14 1274 98.9% RELCOM-AS OOO "NPO Relcom"
AS4323 1575 386 1189 75.5% TWTC - tw telecom holdings,
inc.
AS10620 1980 803 1177 59.4% Telmex Colombia S.A.
AS1785 1930 813 1117 57.9% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS4755 1597 542 1055 66.1% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS7303 1455 460 995 68.4% Telecom Argentina S.A.
AS17974 1971 1091 880 44.6% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS7552 1100 221 879 79.9% VIETEL-AS-AP Vietel
Corporation
AS8151 1375 563 812 59.1% Uninet S.A. de C.V.
AS18101 947 159 788 83.2% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS4808 1109 347 762 68.7% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS9394 892 162 730 81.8% CRNET CHINA RAILWAY
Internet(CRNET)
AS13977 839 123 716 85.3% CTELCO - FAIRPOINT
COMMUNICATIONS, INC.
AS3356 1111 467 644 58.0% LEVEL3 Level 3 Communications
AS855 688 57 631 91.7% CANET-ASN-4 - Bell Aliant
Regional Communications, Inc.
AS30036 1446 825 621 42.9% MEDIACOM-ENTERPRISE-BUSINESS -
Mediacom Communications Corp
AS17676 692 75 617 89.2% GIGAINFRA Softbank BB Corp.
AS4780 842 246 596 70.8% SEEDNET Digital United Inc.
AS22561 1024 428 596 58.2% DIGITAL-TELEPORT - Digital
Teleport Inc.
AS19262 998 405 593 59.4% VZGNI-TRANSIT - Verizon Online
LLC
AS24560 1035 461 574 55.5% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS8452 1270 713 557 43.9% TE-AS TE-AS
AS4804 649 97 552 85.1% MPX-AS Microplex PTY LTD
AS22047 583 31 552 94.7% VTR BANDA ANCHA S.A.
Total 43466 14005 29461 67.8% Top 30 total
Possible Bogus Routes
5.104.104.0/21 AS24961 FIBREONE-AS myLoc managed IT AG
5.104.144.0/21 AS21263 TELEDATA-AS TeleData Friedrichshafen GmbH
5.112.0.0/12 AS44244 IRANCELL-AS Iran Cell Service and Communication Company
5.112.0.0/13 AS44244 IRANCELL-AS Iran Cell Service and Communication Company
5.120.0.0/13 AS44244 IRANCELL-AS Iran Cell Service and Communication Company
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-
14.192.0.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.4.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.8.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.12.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.16.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.20.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.24.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
14.192.28.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg
27.112.114.0/24 AS23884 PROENNET-AS Proimage Engineering and Communication Co.,Ltd.
62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV
62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV
64.66.32.0/20 AS18864
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
66.207.32.0/20 AS23011
66.245.176.0/20 AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC
66.251.128.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.133.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.134.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.136.0/21 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.140.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.141.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.142.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.143.0/24 AS3356 LEVEL3 Level 3 Communications
69.46.224.0/20 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
69.46.233.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
69.46.236.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
70.34.112.0/20 AS27589 MOJOHOST - MOJOHOST
71.19.134.0/23 AS3313 INET-AS BT Italia S.p.A.
72.35.224.0/22 AS30097 NUWAVE - NuWave
72.35.229.0/24 AS30188 TELEVERGENCE - Televergence Solutions Inc.
72.35.232.0/21 AS30097 NUWAVE - NuWave
72.44.16.0/20 AS15054 HAMELTRONICS - Hameltronics, LLC
74.91.48.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.49.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.50.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.51.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.52.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.53.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.54.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.55.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.56.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.57.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.58.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.59.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.60.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.61.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.62.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.63.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.115.124.0/23 AS46540
74.115.126.0/24 AS11260 EASTLINK-HSI - EastLink
81.22.64.0/20 AS5511 OPENTRANSIT France Telecom S.A.
82.101.160.0/19 AS5511 OPENTRANSIT France Telecom S.A.
103.12.86.0/23 AS56178 TIMWARNOCK-AS-AP Tim Warnock
110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas S.A.
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
120.136.17.0/24 AS38779 BMG-AS-ID Badan Meteorologi dan Geofisika
121.46.0.0/16 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street
142.54.0.0/19 AS23498 CDSI - Cogeco Data Services LP
172.14.0.0/24 AS57871 ASTELECENTR TeleCentr Ltd.
172.15.0.0/24 AS57871 ASTELECENTR TeleCentr Ltd.
172.45.1.0/24 AS3356 LEVEL3 Level 3 Communications
172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group)
172.116.0.0/24 AS7018 ATT-INTERNET4 - AT&T Services, Inc.
200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC.
200.6.49.0/24 AS23148 TERREMARK Terremark
200.24.73.0/24 AS26061 Equant Colombia
200.33.40.0/24 AS11172 Alestra, S. de R.L. de C.V.
200.34.0.0/20 AS6342 Instituto Tecnol�gico y de Estudios Superiores de Monterrey
200.53.0.0/19 AS13878 Diveo do Brasil Telecomunicacoes Ltda
200.58.248.0/21 AS27849
200.75.184.0/21 AS14754 Telgua
200.106.128.0/20 AS3257 TINET-BACKBONE Tinet SpA
200.115.112.0/20 AS3257 TINET-BACKBONE Tinet SpA
202.1.224.0/24 AS10097 FLOWCOM Flow Communications 2/541 Kent St Sydney NSW 2000
202.8.106.0/24 AS9530 SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
202.58.113.0/24 AS19161
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
202.140.128.0/19 AS9583 SIFY-AS-IN Sify Limited
202.160.152.0/22 AS10113 EFTEL-AS-AP Eftel Limited.
202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd.
202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia
202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom Limited
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
204.9.116.0/22 AS30097 NUWAVE - NuWave
204.10.88.0/21 AS3356 LEVEL3 Level 3 Communications
204.10.92.0/23 AS30097 NUWAVE - NuWave
204.10.94.0/23 AS30097 NUWAVE - NuWave
204.14.0.0/21 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation
204.14.0.0/24 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation
204.14.2.0/24 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation
204.14.3.0/24 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation
205.175.214.0/24 AS5583 ORANGE-BUSINESS-SERVICES-BENELUX France Telecom S.A.
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
207.174.200.0/24 AS22658 EARTHNET - Earthnet, Inc.
207.174.248.0/21 AS6653 PRIVATEI - privateI, LLC
207.231.96.0/19 AS11194 NUNETPA - NuNet Inc.
208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC
208.91.56.0/21 AS22241 IC2NET - IC2NET
208.91.56.0/24 AS22241 IC2NET - IC2NET
208.91.57.0/24 AS22241 IC2NET - IC2NET
208.91.58.0/24 AS22241 IC2NET - IC2NET
208.91.59.0/24 AS22241 IC2NET - IC2NET
208.91.60.0/24 AS22241 IC2NET - IC2NET
208.91.61.0/24 AS22241 IC2NET - IC2NET
208.91.62.0/24 AS22241 IC2NET - IC2NET
208.91.63.0/24 AS22241 IC2NET - IC2NET
208.93.144.0/21 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation
208.93.151.0/24 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation
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
213.150.202.0/24 AS8513 SKYVISION SkyVision Global Networks Ltd
213.150.204.0/24 AS29338 AFOL-AS Used by Africaonline Operations
216.12.160.0/20 AS26627 AS-PILOSOFT - Pilosoft, Inc.
216.21.160.0/20 AS27876 American Data Networks
216.155.176.0/20 AS16706
216.194.160.0/20 AS27876 American Data Networks
Please see http://www.cidr-report.org for the full report