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Tuesday, February 22, 2011

Botnet Statistics [2011-02-21]

detection period: 2011-02-21 00:00-23:59 UTC
total number of suspected botnet IPs: 2943
number of botnet IPs notified to network operators: 2186
number of blocked spams: 290423
recipient count of blocked spams: 8002769

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

RankNetwork# of suspected botnet IPs
1UNICOM-BJ437
2HINET-NET226
3CHINANET-GD211
4PTCL46
5VNPT-VNNIC-VN45
6KORNET-KR34
7BSNLNET32
8CHINANET-ZJ-WZ29
9002.558.157/0001-6227
10TELKOMNET24

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
1China985
2Taiwan240
3Brazil182
4Russian Federation122
5United States109
6India106
7Indonesia72
8Poland64
9South Korea64
10Ukraine61

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