Botnet Statistics [2012-10-21]

detection period: 2012-10-21 00:00-23:59 UTC
total number of suspected botnet IPs: 3937
number of botnet IPs notified to network operators: 3260
number of spam blocked: 161966
recipient count of spam blocked: 5321037

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	603
2	UNICOM-HA	449
3	UNICOM-HN	364
4	CHINANET-GD	348
5	UNICOM-GD	136
6	UNICOM-LN	118
7	CHINANET-FJ	52
8	CHINANET-JS	40
9	TimeNet	38
10	CRTC	31

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	1939
2	Taiwan	623
3	Russian Federation	133
4	Brazil	131
5	United States	107
6	South Korea	71
7	Peru	63
8	India	52
9	Iran	49
10	Ukraine	46