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Wednesday, March 16, 2011

Botnet Statistics [2011-03-15]

detection period: 2011-03-15 00:00-23:59 UTC
total number of suspected botnet IPs: 2561
number of botnet IPs notified to network operators: 1829
number of blocked spams: 202522
recipient count of blocked spams: 6550482

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

RankNetwork# of suspected botnet IPs
1HINET-NET196
2UNICOM-HA158
3CHINANET-GD145
4UNICOM-GD78
5BSNLNET69
6CHINANET-JS54
7NTHAIRNET41
8TELKOMNET32
9CHINANET-ZJ-WZ31
10000.065.376/0002-6530

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
1China713
2Brazil217
3Taiwan207
4India175
5United States133
6Russian Federation118
7Indonesia64
8South Korea59
9Kazakhstan57
10Ukraine53

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