Botnet Statistics [2012-08-01]

detection period: 2012-08-01 00:00-23:59 UTC
total number of suspected botnet IPs: 3964
number of botnet IPs notified to network operators: 3337
number of spam blocked: 172520
recipient count of spam blocked: 5894898

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	482
2	HINET-NET	430
3	UNICOM-GD	394
4	MAINT-CHINANET-HA	336
5	CHINANET-HA	174
6	UNICOM-LN	164
7	CHINANET-HE	97
8	CHINANET-FJ	61
9	CHINANET-JS	46
10	CRTC	45

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	2272
2	Taiwan	447
3	Brazil	137
4	United States	134
5	Russian Federation	94
6	India	72
7	Iran	54
8	Viet Nam	42
9	Germany	36
10	Colombia	35