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Friday, June 1, 2012

Botnet Statistics [2012-05-31]

detection period: 2012-05-31 00:00-23:59 UTC
total number of suspected botnet IPs: 6338
number of botnet IPs notified to network operators: 5522
number of spam blocked: 177351
recipient count of spam blocked: 5893205

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

RankNetwork# of suspected botnet IPs
1CHINANET-GD1812
2UNICOM-GD651
3MAINT-CHINANET-HA520
4UNICOM-HN355
5HINET-NET237
6UNICOM-LN232
7CHINANET-HA133
8VNPT-VNNIC-VN74
9CHINANET-FJ57
10BSNLNET54

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
1China4250
2Taiwan259
3India210
4United States191
5Brzil151
6Viet Nam130
7Russian Federation109
8South Korea89
9Argentina57
10Pakistan44

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