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Monday, August 22, 2011

Botnet Statistics [2011-08-21]

detection period: 2011-08-21 00:00-23:59 UTC
total number of suspected botnet IPs: 2006
number of botnet IPs notified to network operators: 1446
number of blocked spams: 7522
recipient count of blocked spams: 219674

The top 10 networks (as found in WHOIS), ordered by number of suspected botnet IPs are:

RankNetwork# of suspected botnet IPs
1HINET-NET251
2CHINANET-GD120
3BSNLNET46
4CRTC42
5CHINANET-JS42
6KORNET-KR29
7BY-BELPAK-2009121028
8002.558.134/0001-5826
9000.065.376/0002-6525
10VNPT-VNNIC-VN24

The top 10 countries (as defined by the 2-character country code), ordered by number of suspected botnet IPs are:

RankCountry# of suspected botnet IPs
1China531
2Taiwan269
3Russian Federation147
4Brazil140
5India112
6Ukraine69
7United States61
8South Korea50
9Viet Nam42
10Colombia38

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