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Saturday, December 17, 2011

Botnet Statistics [2011-12-16]

detection period: 2011-12-16 00:00-23:59 UTC
total number of suspected botnet IPs: 2892
number of botnet IPs notified to network operators: 2236
number of spam blocked: 14646
recipient count of spam blocked: 465899

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

RankNetwork# of suspected botnet IPs
1HINET-NET303
2CHINANET-GD132
3BSNLNET128
4CTTNET106
5VNPT-VNNIC-VN70
6TELKOMNET55
7CHINANET-JS46
8CHINANET-FJ42
9CRTC37
10PTCL35

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
1China800
2Taiwan322
3India287
4Indonesia210
5Brazil153
6Viet Nam118
7United States88
8Russian Federation78
9Argentina57
10Spain46

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