Botnet Statistics [2011-05-20]

detection period: 2011-05-20 00:00-23:59 UTC
total number of suspected botnet IPs: 1282
number of botnet IPs notified to network operators: 997
number of blocked spams: 20927
recipient count of blocked spams: 469710

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	235
2	HINET-NET	155
3	CHINANET-GD	116
4	BSNLNET	63
5	UNICOM-BJ	36
6	CHINANET-JS	32
7	KORNET-KR	31
8	CRTC	31
9	CTTNET	29
10	RCOM	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	591
2	Taiwan	162
3	India	111
4	South Korea	60
5	Brazil	44
6	Russian Federation	36
7	United States	17
8	Ukraine	16
9	Indonesia	16
10	Viet Nam	14