This report has been generated at Fri May 31 21:13:21 2013 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
24-05-13 457343 260522
25-05-13 457261 261050
26-05-13 457360 261034
27-05-13 457347 261303
28-05-13 457273 261905
29-05-13 457301 261868
30-05-13 457371 260916
31-05-13 456466 261087
AS Summary
44286 Number of ASes in routing system
18335 Number of ASes announcing only one prefix
3017 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
116960224 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').
--- 31May13 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 456592 260924 195668 42.9% All ASes
AS6389 3017 81 2936 97.3% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS28573 2794 547 2247 80.4% NET Servi�os de Comunica��o
S.A.
AS4766 2959 942 2017 68.2% KIXS-AS-KR Korea Telecom
AS17974 2518 544 1974 78.4% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS22773 1983 135 1848 93.2% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS10620 2633 831 1802 68.4% Telmex Colombia S.A.
AS18566 2065 474 1591 77.0% COVAD - Covad Communications
Co.
AS7303 1723 452 1271 73.8% Telecom Argentina S.A.
AS4323 1622 411 1211 74.7% TWTC - tw telecom holdings,
inc.
AS2118 1260 86 1174 93.2% RELCOM-AS OOO "NPO Relcom"
AS4755 1733 584 1149 66.3% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS7552 1152 198 954 82.8% VIETEL-AS-AP Vietel
Corporation
AS36998 1237 301 936 75.7% SDN-MOBITEL
AS18881 958 83 875 91.3% Global Village Telecom
AS18101 999 180 819 82.0% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS1785 1991 1242 749 37.6% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS4808 1138 389 749 65.8% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS701 1585 848 737 46.5% UUNET - MCI Communications
Services, Inc. d/b/a Verizon
Business
AS13977 844 140 704 83.4% CTELCO - FAIRPOINT
COMMUNICATIONS, INC.
AS855 733 55 678 92.5% CANET-ASN-4 - Bell Aliant
Regional Communications, Inc.
AS22561 1185 509 676 57.0% DIGITAL-TELEPORT - Digital
Teleport Inc.
AS8151 1278 608 670 52.4% Uninet S.A. de C.V.
AS7029 2070 1405 665 32.1% WINDSTREAM - Windstream
Communications Inc
AS6983 1136 476 660 58.1% ITCDELTA - ITC^Deltacom
AS24560 1076 418 658 61.2% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS17676 733 110 623 85.0% GIGAINFRA Softbank BB Corp.
AS34744 684 72 612 89.5% GVM S.C. GVM SISTEM 2003
S.R.L.
AS3549 1055 444 611 57.9% GBLX Global Crossing Ltd.
AS7545 1987 1381 606 30.5% TPG-INTERNET-AP TPG Telecom
Limited
AS3356 1100 509 591 53.7% LEVEL3 Level 3 Communications
Total 47248 14455 32793 69.4% 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-
62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV
62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV
64.185.224.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.225.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.226.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.227.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.228.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.229.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.230.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.231.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.232.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.233.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.234.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.235.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.236.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.237.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.238.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.239.0/24 AS27431 JTLNET - JTL Networks Inc.
64.187.208.0/24 AS174 COGENT Cogent/PSI
65.111.1.0/24 AS32258 SDNGLOBAL - SDN Global
66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION
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
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
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 NORTHEAST-TEXAS-BROADBAND-LLC - Northeast Texas Broadband, LLC
74.115.124.0/23 AS46540 NARSASN - National Asset Recovery Services, Inc
81.22.64.0/20 AS5511 OPENTRANSIT France Telecom S.A.
82.101.160.0/19 AS5511 OPENTRANSIT France Telecom S.A.
91.197.36.0/22 AS43359
91.209.163.0/24 AS48445
91.212.54.0/24 AS21409 IKOULA Ikoula Net SAS
100.100.0.0/24 AS4847 CNIX-AP China Networks Inter-Exchange
102.2.88.0/22 AS38456 PACTEL-AS-AP Pacific Teleports.
103.249.84.0/24 AS55720 GIGABIT-MY Gigabit Hosting Sdn Bhd
103.249.85.0/24 AS55720 GIGABIT-MY Gigabit Hosting Sdn Bhd
103.249.86.0/24 AS55720 GIGABIT-MY Gigabit Hosting Sdn Bhd
103.249.87.0/24 AS55720 GIGABIT-MY Gigabit Hosting Sdn Bhd
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 LP
172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group)
172.116.0.0/24 AS7018 ATT-INTERNET4 - AT&T Services, Inc.
174.138.128.0/20 AS32738
190.3.160.0/21 AS27975 SYNAPSIS COLOMBIA LTDA
190.52.192.0/24 AS27919
190.52.193.0/24 AS27919
190.52.194.0/24 AS27919
190.52.195.0/24 AS27919
190.52.196.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.197.0/24 AS27919
190.52.198.0/24 AS27919
190.52.199.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.202.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.203.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.205.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.206.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.207.0/24 AS3549 GBLX Global Crossing Ltd.
190.124.252.0/22 AS7303 Telecom Argentina S.A.
195.248.240.0/23 AS34169 MEDIA-COM-TYCHY Media-Com Sp. z o.o.
200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC.
200.58.248.0/21 AS27849
200.107.248.0/24 AS27919
200.107.249.0/24 AS27919
200.107.250.0/24 AS27919
200.107.251.0/24 AS27919
200.107.252.0/24 AS28006 CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP
200.107.253.0/24 AS27919
200.107.254.0/24 AS27919
201.71.16.0/20 AS28638 EMTEC EMPRESA DE TECNOLOGIA EMPREENDIMENTOS DE COM
201.77.96.0/20 AS28639 Daniela Ropke da Rosa
201.222.32.0/20 AS27821
202.8.106.0/24 AS9530 SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
202.58.113.0/24 AS19161
202.65.96.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited
202.73.240.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) 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
202.174.125.0/24 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
203.142.219.0/24 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
204.10.112.0/21 AS27027 ANBELL ASN-ANBELL
204.11.112.0/22 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation
204.15.208.0/22 AS13706 COMPLETEWEBNET - CompleteWeb.Net LLC
205.211.160.0/24 AS30045 UHN-ASN - University Health Network
206.81.112.0/20 AS32618 ADKNO-KC - Adknowledge, Inc.
206.197.184.0/24 AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company
206.221.176.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.177.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.178.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.179.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.180.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.181.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.182.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.183.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.184.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.185.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.186.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.187.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.188.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.189.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.190.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.191.0/24 AS27431 JTLNET - JTL Networks Inc.
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.
207.254.128.0/21 AS30689 FLOW-NET - FLOW
207.254.128.0/24 AS30689 FLOW-NET - FLOW
207.254.136.0/21 AS30689 FLOW-NET - FLOW
208.70.56.0/21 AS32738
208.77.164.0/24 AS22659
208.77.165.0/24 AS22659
208.77.166.0/24 AS22659
208.77.167.0/24 AS22659
208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC
208.85.212.0/22 AS32618 ADKNO-KC - Adknowledge, Inc.
208.89.32.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.33.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.34.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.35.0/24 AS27431 JTLNET - JTL Networks Inc.
208.91.72.0/24 AS21681 ANDOVER-TRADING - ANDOVER TRADING
208.91.73.0/24 AS17361 BRASS - Sungard Trading System (ASC)
208.91.76.0/23 AS21681 ANDOVER-TRADING - ANDOVER TRADING
209.177.64.0/20 AS6461 MFNX MFN - Metromedia Fiber Network
209.209.51.0/24 AS18687 MPOWER-2 - MPOWER COMMUNICATIONS CORP.
209.209.64.0/20 AS46851 IPARADIGMS - iParadigms, LLC
209.209.67.0/24 AS46851 IPARADIGMS - iParadigms, LLC
209.212.63.0/24 AS16467 ASN-NEXTWEB-R1 - Nextweb, Inc
209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC
209.234.112.0/23 AS32252
209.234.114.0/23 AS32252
209.234.116.0/24 AS32252
209.234.117.0/24 AS32252
209.234.118.0/24 AS32252
209.234.119.0/24 AS32252
209.234.120.0/24 AS32252
209.234.121.0/24 AS32252
209.234.122.0/24 AS32252
213.150.204.0/24 AS29338 AFOL-AS Used by Africaonline Operations
216.12.163.0/24 AS26627 AS-PILOSOFT - Pilosoft, Inc.
216.127.192.0/24 AS22166
216.127.193.0/24 AS22166
216.127.194.0/24 AS22166
216.127.195.0/24 AS22166
216.127.196.0/24 AS22166
216.127.196.64/26 AS22166
216.127.197.0/24 AS22166
216.127.198.0/24 AS22166
216.127.199.0/24 AS22166
216.127.200.0/24 AS22166
216.127.201.0/24 AS22166
216.127.202.0/24 AS22166
216.127.203.0/24 AS22166
216.127.204.0/24 AS22166
216.127.205.0/24 AS22166
216.127.206.0/24 AS22166
216.127.207.0/24 AS22166
216.127.208.0/24 AS22166
216.127.209.0/24 AS22166
216.127.210.0/24 AS22166
216.127.211.0/24 AS22166
216.127.212.0/24 AS22166
216.127.213.0/24 AS22166
216.127.214.0/24 AS22166
216.127.215.0/24 AS22166
216.127.216.0/24 AS22166
216.127.217.0/24 AS22166
216.127.218.0/24 AS22166
216.127.219.0/24 AS22166
216.127.220.0/24 AS22166
216.127.221.0/24 AS22166
216.127.222.0/24 AS22166
216.127.223.0/24 AS22166
216.146.0.0/19 AS11915 TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC
216.152.24.0/22 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
216.170.96.0/24 AS4565 MEGAPATH2-US - MegaPath Networks Inc.
216.170.101.0/24 AS4565 MEGAPATH2-US - MegaPath Networks Inc.
216.170.104.0/24 AS4565 MEGAPATH2-US - MegaPath Networks Inc.
216.170.105.0/24 AS4565 MEGAPATH2-US - MegaPath Networks Inc.
216.234.128.0/22 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
216.234.132.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
216.234.139.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
Please see http://www.cidr-report.org for the full report