Botnet Statistics [2012-07-31]

detection period: 2012-07-31 00:00-23:59 UTC
total number of suspected botnet IPs: 3823
number of botnet IPs notified to network operators: 3136
number of spam blocked: 153166
recipient count of spam blocked: 5243371

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	531
2	UNICOM-GD	498
3	HINET-NET	367
4	MAINT-CHINANET-HA	338
5	CHINANET-HA	118
6	CHINANET-FJ	59
7	CHINANET-JS	56
8	KORNET-KR	48
9	CRTC	44
10	VNPT-VNNIC-VN	28

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	2141
2	Taiwan	389
3	United States	157
4	Brazil	130
5	Russian Federation	97
6	South Korea	96
7	Viet Nam	60
8	India	53
9	Germany	40
10	Indonesia	29