Botnet Statistics [2013-04-28]

detection period: 2013-04-28 00:00-23:59 UTC
total number of suspected botnet IPs: 3212
number of botnet IPs notified to network operators: 2582
number of spam blocked: 65340
recipient count of spam blocked: 1975253

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	202
2	CHINANET-HE	153
3	CHINANET-GD	109
4	BY-BELPAK-20120330	96
5	UNICOM-HA	93
6	HINET-NET	54
7	BY-BELPAK-20080213	53
8	BY-BELPAK-20120106	48
9	MSFT-EP	39
10	BSNLNET	39

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	707
2	Belarus	448
3	Ukraine	195
4	United States	166
5	India	143
6	Kazakhstan	137
7	Russian Federation	127
8	Romania	104
9	Brazil	100
10	Taiwan	81