Botnet Statistics [2013-03-31]

detection period: 2013-03-31 00:00-23:59 UTC
total number of suspected botnet IPs: 5860
number of botnet IPs notified to network operators: 4776
number of spam blocked: 78263
recipient count of spam blocked: 2862677

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

Rank	Network	# of suspected botnet IPs
1	BY-BELPAK-20091210	546
2	CHINANET-HE	471
3	CRTC	440
4	CTTNET	269
5	BY-BELPAK-20120330	215
6	CHINANET-GD	197
7	BY-BELPAK-20080213	151
8	HINET-NET	102
9	BY-BELPAK-20120106	93
10	KZ-KAZAKTELECOM-20080923	83

The top 10 countries (as defined by the 2-character country code), ordered by number of suspected botnet IPs are:

Rank	Country	# of suspected botnet IPs
1	China	2132
2	Belarus	1090
3	Ukraine	419
4	Kazakhstan	313
5	United States	238
6	Russian Federation	173
7	Taiwan	131
8	Viet Nam	118
9	Brazil	99
10	Germany	68