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Wednesday, October 26, 2011

Botnet Statistics [2011-10-25]

detection period: 2011-10-25 00:00-23:59 UTC
total number of suspected botnet IPs: 2569
number of botnet IPs notified to network operators: 1889
number of spam blocked: 56140
recipient count of spam blocked: 1958089

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

RankNetwork# of suspected botnet IPs
1HINET-NET221
2CHINANET-GD155
3CTTNET98
4CHINANET-JS58
5BSNLNET50
6CRTC34
7UNICOM-BJ29
8CHINANET-SH29
9KORNET-KR28
10VNPT-VNNIC-VN25

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
1China900
2Taiwan241
3Brazil138
4United States129
5Russian Federation124
6India123
7Indonesia70
8South Korea63
9Viet Nam51
10Ukraine47

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