Botnet Statistics [2013-01-20]

detection period: 2013-01-20 00:00-23:59 UTC
total number of suspected botnet IPs: 3872
number of botnet IPs notified to network operators: 3544
number of spam blocked: 105298
recipient count of spam blocked: 2846803

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	758
2	CHINANET-GD	344
3	UNICOM-HN	310
4	MAINT-CHINANET-HA	266
5	UNICOM-HA	242
6	CHINANET-HE	213
7	CHINANET-HA	160
8	UNICOM-GD	143
9	BY-BELPAK-20091210	63
10	CHINANET-FJ	59

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	2105
2	Taiwan	766
3	Belarus	123
4	United States	85
5	Russian Federation	70
6	Brazil	65
7	India	52
8	Viet Nam	51
9	South Korea	36
10	Ukraine	30