Botnet Statistics [2012-05-08]

detection period: 2012-05-08 00:00-23:59 UTC
total number of suspected botnet IPs: 4564
number of botnet IPs notified to network operators: 3581
number of spam blocked: 151333
recipient count of spam blocked: 5201044

The top 10 networks (as found in WHOIS), ordered by number of suspected botnet IPs are:

Rank	Network	# of suspected botnet IPs
1	MAINT-CHINANET-HA	623
2	UNICOM-GD	394
3	HINET-NET	382
4	CHINANET-GD	354
5	CHINANET-HA	138
6	VNPT-VNNIC-VN	86
7	BSNLNET	81
8	PTCL	61
9	CHINANET-FJ	54
10	CHINANET-JS	52

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	2067
2	Taiwan	407
3	India	299
4	Viet Nam	167
5	United States	165
6	Brazil	119
7	Russian Federation	96
8	South Korea	92
9	Pakistan	84
10	Indonesia	65