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Wednesday, March 27, 2013

Botnet Statistics [2013-03-26]

I worked at the office until midnight yesterday. As this blog is updated during my spare time, I could not publish the statistics for 2013-03-25 in time. Just a reminder for myself.

detection period: 2013-03-26 00:00-23:59 UTC
total number of suspected botnet IPs: 5265
number of botnet IPs notified to network operators: 4147
number of spam blocked: 118577
recipient count of spam blocked: 4391300

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

RankNetwork# of suspected botnet IPs
1CRTC380
2CHINANET-HE379
3BY-BELPAK-20091210298
4CTTNET183
5CHINANET-GD144
6BY-BELPAK-20120330110
7BY-BELPAK-2008021377
8CHINANET-JS76
9HINET-NET73
10VNPT-VNNIC-VN70

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
1China2112
2Belarus608
3United States335
4Ukraine272
5Kazakhstan238
6Russian Federation137
7Brazil112
8Viet Nam111
9Taiwan107
10India87

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