Botnet Statistics [2012-05-13]

detection period: 2012-05-13 00:00-23:59 UTC
total number of suspected botnet IPs: 4713
number of botnet IPs notified to network operators: 3836
number of spam blocked: 136300
recipient count of spam blocked: 4610089

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	709
2	MAINT-CHINANET-HA	576
3	UNICOM-GD	460
4	CHINANET-HA	247
5	HINET-NET	237
6	VNPT-VNNIC-VN	77
7	BSNLNET	65
8	CHINANET-FJ	63
9	KORNET-KR	50
10	PTCL	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	2556
2	Taiwan	256
3	India	192
4	United States	155
5	South Korea	148
6	Brazil	141
7	Viet Nam	129
8	Russian Federation	97
9	Poland	59
10	Pakistan	53