Botnet Statistics [2011-05-21]

detection period: 2011-05-21 00:00-23:59 UTC
total number of suspected botnet IPs: 1867
number of botnet IPs notified to network operators: 1409
number of blocked spams: 41473
recipient count of blocked spams: 1280305

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	190
2	CHINANET-GD	186
3	UNICOM-GD	144
4	CHINANET-JS	44
5	UNICOM-BJ	37
6	CTTNET	34
7	CRTC	32
8	TELKOMNET	28
9	CHINANET-ZJ	24
10	CHINANET-SH	17

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	840
2	Taiwan	208
3	Brazil	73
4	United States	65
5	Russian Federation	59
6	Indonesia	57
7	India	53
8	Viet Nam	30
9	South Korea	30
10	Argentina	29