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Friday, July 22, 2011

Botnet Statistics [2011-07-21]

detection period: 2011-07-21 00:00-23:59 UTC
total number of suspected botnet IPs: 2079
number of botnet IPs notified to network operators: 1441
number of blocked spams: 76540
recipient count of blocked spams: 2675681

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

RankNetwork# of suspected botnet IPs
1HINET-NET164
2BSNLNET106
3CHINANET-GD92
4CHINANET-JS63
5UNICOM-BJ46
6000.065.376/0002-6539
7RCOM32
8TELKOMNET22
9KORNET-KR22
10003.420.926/0002-0521

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
1China506
2India216
3Taiwan185
4Brazil174
5Russian Federation117
6United States85
7South Korea57
8Indonesia53
9Ukraine51
10Colombia41

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