Botnet Statistics [2013-04-30]

detection period: 2013-04-30 00:00-23:59 UTC
total number of suspected botnet IPs: 3868
number of botnet IPs notified to network operators: 2979
number of spam blocked: 60557
recipient count of spam blocked: 2088356

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	196
2	CHINANET-HE	191
3	CHINANET-GD	125
4	CHINANET-HA	82
5	UNICOM-GD	71
6	HINET-NET	68
7	BSNLNET	58
8	CHINASKYNET	51
9	CHINANET-FJ	48
10	BY-BELPAK-20080213	43

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	988
2	Belarus	357
3	United States	240
4	India	234
5	Ukraine	201
6	Romania	135
7	Kazakhstan	125
8	Russian Federation	118
9	Brazil	110
10	Taiwan	104