Botnet Statistics [2013-02-20]

detection period: 2013-02-20 00:00-23:59 UTC
total number of suspected botnet IPs: 5581
number of botnet IPs notified to network operators: 4739
number of spam blocked: 96037
recipient count of spam blocked: 3443479

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	650
2	CHINANET-HB	552
3	CTTNET	348
4	BY-BELPAK-20091210	346
5	MAINT-CHINANET-HA	162
6	CHINANET-GD	138
7	VNPT-VNNIC-VN	84
8	BY-BELPAK-20120330	76
9	BY-BELPAK-20080213	75
10	CHINANET-HA	69

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	1776
2	Taiwan	674
3	Belarus	604
4	United States	273
5	Kazakhstan	195
6	Ukraine	161
7	Brazil	151
8	Viet Nam	133
9	Spain	106
10	Russian Federation	91