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Tuesday, March 22, 2011

Botnet Statistics [2011-03-21]

detection period: 2011-03-21 00:00-23:59 UTC
total number of suspected botnet IPs: 2144
number of botnet IPs notified to network operators: 1674
number of blocked spams: 55764
recipient count of blocked spams: 1074071

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

RankNetwork# of suspected botnet IPs
1HINET-NET250
2UNICOM-GD231
3CHINANET-GD157
4UNICOM-HA152
5CTTNET43
6KORNET-KR38
7CHINANET-ZJ-WZ29
8UNICOM-BJ26
9CRTC25
10BSNLNET25

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
1China822
2Taiwan260
3Brazil143
4India105
5Russian Federation95
6South Korea86
7Indonesia49
8Argentina41
9Viet Nam37
10Kazakhstan36

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