Botnet Statistics [2012-07-21]

detection period: 2012-07-21 00:00-23:59 UTC
total number of suspected botnet IPs: 2652
number of botnet IPs notified to network operators: 2386
number of spam blocked: 4760
recipient count of spam blocked: 12311

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	632
2	MAINT-CHINANET-HA	478
3	UNICOM-GD	220
4	CHINANET-HA	196
5	UNICOM-LN	151
6	CHINANET-FJ	60
7	CRTC	43
8	CHINANET-SH	40
9	UNICOM-BJ	25
10	CHINANET-JS	21

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	2117
2	United States	90
3	Brazil	38
4	Russian Federation	32
5	Japan	24
6	Germany	23
7	Taiwan	21
8	India	20
9	Argentina	18
10	Viet Nam	16