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Saturday, July 23, 2011

Botnet Statistics [2011-07-22]

detection period: 2011-07-22 00:00-23:59 UTC
total number of suspected botnet IPs: 1988
number of botnet IPs notified to network operators: 1385
number of blocked spams: 74620
recipient count of blocked spams: 2603842

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

RankNetwork# of suspected botnet IPs
1HINET-NET155
2CHINANET-GD108
3BSNLNET106
4CRTC36
5KORNET-KR35
6CHINANET-JS34
7VNPT-VNNIC-VN29
8RCOM29
9000.065.376/0002-6529
10UNICOM-SD26

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
1China469
2India216
3Taiwan177
4Brazil137
5Russian Federation100
6South Korea70
7United States68
8Ukraine64
9Indonesia49
10Viet Nam48

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