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Monday, August 1, 2011

Botnet Statistics [2011-07-31]

detection period: 2011-07-31 00:00-23:59 UTC
total number of suspected botnet IPs: 1786
number of botnet IPs notified to network operators: 1295
number of blocked spams: 56933
recipient count of blocked spams: 1980622

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

RankNetwork# of suspected botnet IPs
1HINET-NET134
2CHINANET-GD108
3UNICOM-BJ71
4CHINANET-JS46
5CRTC38
6CHINANET-HB33
7CHINANET-ZJ24
8CHINANET-SH23
9BSNLNET22
10000.065.376/0002-6522

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
1China664
2Taiwan146
3Brazil117
4United States95
5India78
6Russian Federation71
7South Korea42
8Indonesia38
9Ukraine36
10Poland33

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