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Friday, October 21, 2011

Botnet Statistics [2011-10-20]

detection period: 2011-10-20 00:00-23:59 UTC
total number of suspected botnet IPs: 1742
number of botnet IPs notified to network operators: 1169
number of spam blocked: 54775
recipient count of spam blocked: 1907739

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

RankNetwork# of suspected botnet IPs
1HINET-NET205
2CHINANET-GD80
3CTTNET50
4CHINANET-JS34
5UNICOM-HN27
6000.065.376/0002-6525
7UNICOM-BJ22
8CRTC20
9KORNET-KR17
10033.530.486/0001-2917

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
1China529
2Taiwan216
3Brazil115
4United States84
5India70
6Russian Federation68
7Indonesia43
8Ukraine36
9South Korea35
10Germany33

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