Botnet Statistics [2012-04-21]

detection period: 2012-04-21 00:00-23:59 UTC
total number of suspected botnet IPs: 2836
number of botnet IPs notified to network operators: 2001
number of spam blocked: 135154
recipient count of spam blocked: 4697719

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

Rank	Network	# of suspected botnet IPs
1	UNICOM-GD	290
2	CHINANET-GD	174
3	HINET-NET	161
4	VNPT-VNNIC-VN	62
5	BSNLNET	59
6	PTCL	54
7	CHINANET-FJ	44
8	KORNET-KR	38
9	CHINANET-JS	36
10	CRTC	33

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	957
2	India	227
3	Taiwan	184
4	United States	146
5	Viet Nam	125
6	Brazil	125
7	Russian Federation	94
8	South Korea	93
9	Pakistan	72
10	Poland	40