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Sunday, August 21, 2011

Botnet Statistics [2011-08-20]

detection period: 2011-08-20 00:00-23:59 UTC
total number of suspected botnet IPs: 2446
number of botnet IPs notified to network operators: 1721
number of blocked spams: 49667
recipient count of blocked spams: 1732626

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

RankNetwork# of suspected botnet IPs
1HINET-NET151
2CHINANET-GD125
3BSNLNET82
4CHINANET-JS71
5000.065.376/0002-6548
6002.558.134/0001-5835
7CRTC30
8RCOM29
9BY-BELPAK-2009121029
10002.558.157/0001-6229

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
1China643
2Brazil237
3India205
4Taiwan169
5Russian Federation140
6United States105
7Ukraine61
8South Korea52
9Argentina52
10Viet Nam51

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