Botnet Statistics [2012-05-17]

detection period: 2012-05-17 00:00-23:59 UTC
total number of suspected botnet IPs: 4497
number of botnet IPs notified to network operators: 3715
number of spam blocked: 157751
recipient count of spam blocked: 5381199

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	728
2	MAINT-CHINANET-HA	507
3	UNICOM-GD	411
4	UNICOM-HN	304
5	HINET-NET	293
6	CHINANET-HA	165
7	BSNLNET	60
8	VNPT-VNNIC-VN	54
9	CHINANET-FJ	45
10	CHINANET-JS	40

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	2612
2	Taiwan	314
3	India	230
4	Brazil	137
5	United States	108
6	Viet Nam	103
7	Russian Federation	83
8	South Korea	83
9	Poland	52
10	Pakistan	45