Botnet Statistics [2012-09-21]

detection period: 2012-09-21 00:00-23:59 UTC
total number of suspected botnet IPs: 2611
number of botnet IPs notified to network operators: 2093
number of spam blocked: 113636
recipient count of spam blocked: 3795178

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

Rank	Network	# of suspected botnet IPs
1	UNICOM-GD	526
2	CHINANET-GD	342
3	MAINT-CHINANET-HA	181
4	CHINANET-HA	93
5	UNICOM-LN	64
6	CHINANET-FJ	38
7	HINET-NET	25
8	BY-BELPAK-20091210	21
9	003.420.926/0002-05	21
10	CHINANET-JS	19

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	1602
2	Brazil	128
3	United States	79
4	India	67
5	Russian Federation	66
6	South Korea	60
7	Taiwan	41
8	Ukraine	37
9	Belarus	31
10	Viet Nam	26