Botnet Statistics [2012-05-23]

detection period: 2012-05-23 00:00-23:59 UTC
total number of suspected botnet IPs: 5230
number of botnet IPs notified to network operators: 4526
number of spam blocked: 160021
recipient count of spam blocked: 5374902

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

Rank	Network	# of suspected botnet IPs
1	CHINANET-GD	1315
2	MAINT-CHINANET-HA	516
3	UNICOM-HN	511
4	HINET-NET	356
5	UNICOM-GD	321
6	CHINANET-HA	145
7	VNPT-VNNIC-VN	66
8	BSNLNET	65
9	CHINANET-FJ	50
10	CRTC	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	3315
2	Taiwan	368
3	India	192
4	Brazil	143
5	Viet Nam	113
6	United States	107
7	South Korea	101
8	Russian Federation	87
9	Iran	50
10	Pakistan	44