Botnet Statistics [2011-05-22]

detection period: 2011-05-22 00:00-23:59 UTC
total number of suspected botnet IPs: 1749
number of botnet IPs notified to network operators: 1223
number of blocked spams: 94320
recipient count of blocked spams: 3254285

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	142
2	CHINANET-GD	127
3	UNICOM-BJ	66
4	UNICOM-GD	51
5	CRTC	37
6	CTTNET	34
7	CHINANET-JS	32
8	BSNLNET	20
9	TELKOMNET	18
10	PTCL	18

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	631
2	Taiwan	156
3	Russian Federation	90
4	Brazil	90
5	India	65
6	United States	63
7	South Korea	47
8	Indonesia	42
9	Ukraine	32
10	Argentina	32