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Tuesday, September 20, 2011

Botnet Statistics [2011-09-19]

detection period: 2011-09-19 00:00-23:59 UTC
total number of suspected botnet IPs: 1849
number of botnet IPs notified to network operators: 1342
number of blocked spams: 42801
recipient count of blocked spams: 1488905

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

RankNetwork# of suspected botnet IPs
1HINET-NET119
2CTTNET93
3CHINANET-GD76
4CHINANET-JS48
5KORNET-KR31
6UNICOM-BJ24
7CHINANET-SH23
8033.530.486/0001-2922
9UNICOM-SD20
10000.065.376/0002-6520

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
1China666
2Taiwan140
3Brazil119
4United States75
5India73
6Russian Federation68
7South Korea65
8Indonesia44
9Ukraine41
10Spain36

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