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Wednesday, May 18, 2011

Botnet Statistics [2011-05-17]

detection period: 2011-05-17 00:00-23:59 UTC
total number of suspected botnet IPs: 2306
number of botnet IPs notified to network operators: 1677
number of blocked spams: 104773
recipient count of blocked spams: 3376789

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

RankNetwork# of suspected botnet IPs
1HINET-NET260
2UNICOM-GD215
3CHINANET-GD97
4BSNLNET73
5UNICOM-BJ33
6CHINANET-JS33
7KORNET-KR31
8CRTC27
9000.065.376/0002-6527
10RCOM25

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
1China686
2Taiwan279
3India181
4Brazil170
5Russian Federation134
6South Korea77
7Ukraine60
8United States51
9Colombia40
10Poland37

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