Botnet Statistics [2012-09-18]

My greylisting system is not available now, so the following chart does not include its data.

[update at around 2012-09-19 23:29 UTC] I can connect to my greylisting system again. Adding its data to today's statistics.

detection period: 2012-09-18 00:00-23:59 UTC
total number of suspected botnet IPs: 3729
number of botnet IPs notified to network operators: 3153
number of spam blocked: 15628
recipient count of spam blocked: 263117

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	789
2	UNICOM-GD	566
3	HINET-NET	332
4	MAINT-CHINANET-HA	283
5	CHINANET-HA	120
6	CHINANET-FJ	50
7	KORNET-KR	33
8	CHINANET-JS	32
9	VNPT-VNNIC-VN	31
10	CRTC	28

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	2248
2	Taiwan	351
3	United States	268
4	Brazil	79
5	South Korea	78
6	India	77
7	Viet Nam	56
8	Russian Federation	35
9	Iran	31
10	Argentina	30