Botnet Statistics [2012-05-11]

detection period: 2012-05-11 00:00-23:59 UTC
total number of suspected botnet IPs: 4743
number of botnet IPs notified to network operators: 3770
number of spam blocked: 135572
recipient count of spam blocked: 4565672

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	987
2	MAINT-CHINANET-HA	495
3	UNICOM-GD	384
4	CHINANET-HA	137
5	VNPT-VNNIC-VN	97
6	BSNLNET	80
7	CHINANET-FJ	65
8	KORNET-KR	53
9	PTCL	44
10	PHN-67-221-46-0-23	44

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	2610
2	India	284
3	United States	188
4	Viet Nam	182
5	Brazil	134
6	Russian Federation	114
7	South Korea	114
8	Pakistan	66
9	Indonesia	59
10	Argentina	45