Botnet Statistics [2013-03-18]

detection period: 2013-03-18 00:00-23:59 UTC
total number of suspected botnet IPs: 5385
number of botnet IPs notified to network operators: 4381
number of spam blocked: 99006
recipient count of spam blocked: 3641770

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

Rank	Network	# of suspected botnet IPs
1	CHINANET-JS	900
2	CHINANET-HE	346
3	BY-BELPAK-20091210	243
4	UNICOM-LN	204
5	CRTC	156
6	UNICOM-GD	146
7	CHINANET-GD	118
8	BY-BELPAK-20120330	85
9	VNPT-VNNIC-VN	74
10	HINET-NET	71

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	2525
2	Belarus	472
3	United States	228
4	Ukraine	169
5	Russian Federation	162
6	Kazakhstan	142
7	Viet Nam	114
8	Brazil	110
9	Argentina	107
10	Colombia	99