Botnet Statistics [2011-12-31]

detection period: 2011-12-31 00:00-23:59 UTC
total number of suspected botnet IPs: 2260
number of botnet IPs notified to network operators: 1663
number of spam blocked: 179584
recipient count of spam blocked: 6225703

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

Rank	Network	# of suspected botnet IPs
1	HINET-NET	290
2	CHINANET-GD	109
3	PTCL	64
4	BSNLNET	60
5	CRTC	46
6	VNPT-VNNIC-VN	44
7	CHINANET-JS	42
8	CHINANET-FJ	36
9	UNICOM-BJ	24
10	CHINANET-SH	20

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	604
2	Taiwan	307
3	India	185
4	Viet Nam	93
5	United States	88
6	Brazil	88
7	Pakistan	73
8	Indonesia	67
9	Russian Federation	47
10	South Korea	46