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Thursday, May 5, 2011

Botnet Statistics [2011-05-04]

detection period: 2011-05-04 00:00-23:59 UTC
total number of suspected botnet IPs: 2573
number of botnet IPs notified to network operators: 1922
number of blocked spams: 84610
recipient count of blocked spams: 2867322

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

RankNetwork# of suspected botnet IPs
1UNICOM-HA307
2CTTNET289
3BSNLNET143
4HINET-NET119
5CHINANET-GD107
6CHINANET-JS38
7PTCL31
8RCOM30
9KORNET-KR27
10UNICOM-SD26

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
1China1039
2India297
3Brazil178
4Taiwan132
5Russian Federation105
6United States67
7Indonesia50
8South Korea47
9Ukraine46
10Kazakhstan41

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