Botnet Statistics [2012-09-23]

detection period: 2012-09-23 00:00-23:59 UTC
total number of suspected botnet IPs: 4003
number of botnet IPs notified to network operators: 3440
number of spam blocked: 150762
recipient count of spam blocked: 5164027

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

Rank	Network	# of suspected botnet IPs
1	MAINT-CHINANET-HA	631
2	CHINANET-HA	456
3	UNICOM-LN	329
4	UNICOM-GD	291
5	CHINANET-GD	245
6	HINET-NET	199
7	CHINANET-JS	67
8	CHINANET-FJ	55
9	UNICOM-SD	37
10	BSNLNET	33

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	2636
2	Taiwan	215
3	Brazil	122
4	Russian Federation	114
5	United States	110
6	India	94
7	South Korea	59
8	Ukraine	40
9	Japan	36
10	Germany	36