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Friday, December 16, 2011

Botnet Statistics [2011-12-15]

detection period: 2011-12-15 00:00-23:59 UTC
total number of suspected botnet IPs: 2621
number of botnet IPs notified to network operators: 1916
number of spam blocked: 43814
recipient count of spam blocked: 1520541

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

RankNetwork# of suspected botnet IPs
1HINET-NET261
2CHINANET-GD135
3BSNLNET70
4CTTNET58
5VNPT-VNNIC-VN48
6PTCL48
7CHINANET-JS47
8TELKOMNET35
9UNICOM-BJ30
10RCOM30

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
1China690
2Taiwan283
3India198
4Indonesia179
5Brazil124
6Russian Federation96
7Viet Nam91
8United States82
9Pakistan56
10Argentina53

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