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Sunday, October 21, 2012

Botnet Statistics [2012-10-20]

detection period: 2012-10-20 00:00-23:59 UTC
total number of suspected botnet IPs: 3936
number of botnet IPs notified to network operators: 3283
number of spam blocked: 174079
recipient count of spam blocked: 5735273

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

RankNetwork# of suspected botnet IPs
1HINET-NET727
2UNICOM-HA539
3UNICOM-HN360
4CHINANET-GD316
5UNICOM-GD99
6CHINANET-JS49
7CHINANET-FJ46
8CRTC44
9BSNLNET30
10UNICOM-BJ27

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
1China1856
2Taiwan746
3Brazil120
4Russian Federation110
5United States107
6India92
7South Korea66
8Iran59
9Ukraine51
10Peru49

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