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Wednesday, December 22, 2010

Botnet Statistics [2010-12-21]

detection period: 2010-12-21 00:00-23:59 UTC
total number of suspected botnet IPs: 1103
number of botnet IPs notified to network operators: 831
number of blocked spams: 330170
recipient count of blocked spams: 11275416

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

RankNetwork# of suspected botnet IPs
1CHINANET-GD276
2KORNET-KR16
3CHINANET-ZJ-WZ15
4033.530.486/0001-2915
5CHINANET-JS13
6UNICOM-SD12
7003.420.926/0002-0512
8AKIMPOD11
9000.065.376/0002-6511
10CO-ACSA-LACNIC8

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
1China442
2Brazil97
3Russian Federation56
4United States40
5South Korea35
6Poland27
7Kazakhstan26
8Colombia23
9India22
10Ukraine21

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