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Friday, May 25, 2012

Botnet Statistics [2012-05-24]

detection period: 2012-05-24 00:00-23:59 UTC
total number of suspected botnet IPs: 4536
number of botnet IPs notified to network operators: 3806
number of spam blocked: 157046
recipient count of spam blocked: 5328324

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

RankNetwork# of suspected botnet IPs
1CHINANET-GD1075
2UNICOM-HN539
3MAINT-CHINANET-HA385
4CHINANET-HA169
5HINET-NET166
6UNICOM-GD112
7VNPT-VNNIC-VN59
8BSNLNET45
9CHINANET-FJ43
10CRTC38

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
1China2818
2India190
3Taiwan185
4Brazil152
5United States122
6Viet Nam111
7South Korea98
8Russian Federation80
9Pakistan48
10Iran42

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