Botnet Statistics [2013-01-21]

detection period: 2013-01-21 00:00-23:59 UTC
total number of suspected botnet IPs: 4233
number of botnet IPs notified to network operators: 3827
number of spam blocked: 85295
recipient count of spam blocked: 2642297

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	743
2	UNICOM-HN	329
3	CHINANET-GD	300
4	MAINT-CHINANET-HA	264
5	UNICOM-HA	250
6	CHINANET-HA	201
7	UNICOM-GD	182
8	CHINANET-HE	168
9	BY-BELPAK-20091210	84
10	TimeNet	58

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	2150
2	Taiwan	748
3	Belarus	176
4	United States	159
5	Brazil	83
6	India	72
7	Russian Federation	68
8	Viet Nam	59
9	Kazakhstan	53
10	South Korea	42