Botnet Statistics [2012-04-01]

detection period: 2012-04-01 00:00-23:59 UTC
total number of suspected botnet IPs: 2953
number of botnet IPs notified to network operators: 2285
number of spam blocked: 170421
recipient count of spam blocked: 5900113

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

Rank	Network	# of suspected botnet IPs
1	HINET-NET	447
2	UNICOM-GD	340
3	CHINANET-GD	156
4	PTCL	56
5	VNPT-VNNIC-VN	50
6	CHINANET-FJ	48
7	PHN-67-221-46-0-23	44
8	CHINANET-JS	37
9	KORNET-KR	36
10	UNICOM-BJ	28

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	936
2	Taiwan	474
3	United States	206
4	Brazil	112
5	Viet Nam	80
6	India	80
7	South Korea	75
8	Russian Federation	73
9	Pakistan	67
10	Poland	55