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Friday, April 15, 2011

Botnet Statistics [2011-04-14]

greylisting host still slow. Not included.

detection period: 2011-04-14 00:00-23:59 UTC
total number of suspected botnet IPs: 1347
number of botnet IPs notified to network operators: 1077
number of blocked spams: 112752
recipient count of blocked spams: 3381884

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

RankNetwork# of suspected botnet IPs
1HINET-NET379
2UNICOM-GD270
3CHINANET-GD18
4CHINANET-ZJ-WZ16
5NTHAIRNET15
6CHINANET-JS14
7000.065.376/0002-6513
8UNICOM-SD12
9033.530.486/0001-2911
10003.420.926/0002-0510

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
1China452
2Taiwan382
3Brazil71
4Russian Federation56
5United States43
6Kazakhstan27
7India25
8Ukraine20
9South Korea20
10France18

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