Botnet Statistics [2011-04-22]

detection period: 2011-04-22 00:00-23:59 UTC
total number of suspected botnet IPs: 3500
number of botnet IPs notified to network operators: 2451
number of blocked spams: 87883
recipient count of blocked spams: 2943337

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

Rank	Network	# of suspected botnet IPs
1	UNICOM-HA	316
2	CTTNET	298
3	HINET-NET	252
4	CHINANET-GD	128
5	BSNLNET	113
6	KORNET-KR	105
7	UKRTELNET	64
8	RCOM	42
9	BY-BELPAK-20091210	39
10	VNPT-VNNIC-VN	37

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	1007
2	Russian Federation	361
3	India	334
4	Taiwan	272
5	South Korea	188
6	Ukraine	182
7	Brazil	130
8	United States	62
9	Viet Nam	61
10	Kazakhstan	55