Botnet Statistics [2012-04-16]

detection period: 2012-04-16 00:00-23:59 UTC
total number of suspected botnet IPs: 1811
number of botnet IPs notified to network operators: 1321
number of spam blocked: 171293
recipient count of spam blocked: 5974513

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

Rank	Network	# of suspected botnet IPs
1	UNICOM-GD	290
2	CHINANET-GD	84
3	CHINANET-JS	30
4	UNICOM-BJ	29
5	PHN-67-221-46-0-23	25
6	KORNET-KR	24
7	VNPT-VNNIC-VN	22
8	CHINANET-FJ	21
9	002.558.157/0001-62	19
10	PTCL	16

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	744
2	United States	142
3	Brazil	112
4	Russian Federation	74
5	India	67
6	South Korea	59
7	Viet Nam	49
8	Taiwan	33
9	Poland	29
10	Pakistan	26