Botnet Statistics [2012-05-25]

detection period: 2012-05-25 00:00-23:59 UTC
total number of suspected botnet IPs: 4247
number of botnet IPs notified to network operators: 3580
number of spam blocked: 166654
recipient count of spam blocked: 5658143

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

Rank	Network	# of suspected botnet IPs
1	CHINANET-GD	1043
2	UNICOM-HN	411
3	HINET-NET	366
4	MAINT-CHINANET-HA	291
5	CHINANET-HA	107
6	UNICOM-GD	74
7	VNPT-VNNIC-VN	64
8	CHINANET-FJ	54
9	BSNLNET	53
10	CRTC	44

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	2449
2	Taiwan	381
3	India	184
4	Viet Nam	126
5	Brazil	120
6	United States	100
7	South Korea	78
8	Russian Federation	70
9	Pakistan	55
10	Indonesia	37