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Sunday, September 25, 2011

Botnet Statistics [2011-09-24]

detection period: 2011-09-24 00:00-23:59 UTC
total number of suspected botnet IPs: 1577
number of botnet IPs notified to network operators: 1121
number of blocked spams: 55581
recipient count of blocked spams: 1942214

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

RankNetwork# of suspected botnet IPs
1CHINANET-GD108
2HINET-NET103
3CRTC39
4CTTNET31
5CHINANET-JS29
6000.065.376/0002-6520
7UNICOM-SD19
8KORNET-KR19
9VNPT-VNNIC-VN18
10UNICOM-BJ17

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
1China535
2Taiwan119
3Brazil114
4United States84
5Russian Federation77
6India66
7South Korea49
8Viet Nam41
9Indonesia40
10Ukraine37

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