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Sunday, May 1, 2011

Botnet Statistics [2011-04-30]

detection period: 2011-04-30 00:00-23:59 UTC
total number of suspected botnet IPs: 2457
number of botnet IPs notified to network operators: 1796
number of blocked spams: 56121
recipient count of blocked spams: 1544889

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

RankNetwork# of suspected botnet IPs
1HINET-NET338
2UNICOM-GD244
3CHINANET-GD111
4BSNLNET79
5PTCL47
6CRTC39
7CHINANET-JS34
8AR-TEAR7-LACNIC34
9000.065.376/0002-6527
10UNICOM-BJ25

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
1China627
2Taiwan351
3India202
4Brazil159
5Russian Federation88
6Indonesia60
7Argentina57
8Ukraine55
9United States54
10Pakistan53

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