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Wednesday, April 21, 2010

Botnet Statistics [2010-04-20]

detection period: 2010-04-20 00:00-23:59 UTC
total number of suspected botnet IPs: 3672
number of botnet IPs notified to network operators: 3313
number of blocked spams: 104227
recipient count of blocked spams: 1901575

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

RankNetwork# of suspected botnet IPs
1HINET-NET1298
2BSNLNET395
3RITELE261
4CHINANET-GD173
5AR-TEAR7-LACNIC73
6002.558.157/0001-6272
7RCOM47
8UNICOM-SD41
9TATACOMM-IN39
10076.535.764/0326-9034

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
1Taiwan1306
2China804
3India571
4Brazil259
5United States129
6Argentina128
7Thailand75
8Russian Federation75
9Indonesia28
10Colombia23

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