Botnet Statistics [2013-05-01]

detection period: 2013-05-01 00:00-23:59 UTC
total number of suspected botnet IPs: 3871
number of botnet IPs notified to network operators: 3132
number of spam blocked: 53898
recipient count of spam blocked: 2012541

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

Rank	Network	# of suspected botnet IPs
1	BY-BELPAK-20091210	220
2	CHINANET-HE	172
3	CHINANET-HA	118
4	CHINANET-GD	115
5	BSNLNET	80
6	HINET-NET	74
7	BY-BELPAK-20120330	58
8	BY-BELPAK-20080213	55
9	BY-BELPAK-20120106	54
10	CHINANET-FJ	45

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	941
2	Belarus	420
3	India	272
4	Romania	206
5	United States	187
6	Russian Federation	166
7	Ukraine	152
8	Kazakhstan	137
9	Brazil	127
10	Taiwan	114