Botnet Statistics [2011-04-05]

A sudden, global surge of botnets. South Korea ranked number 4, with more than 300 bots there.

detection period: 2011-04-05 00:00-23:59 UTC
total number of suspected botnet IPs: 4358
number of botnet IPs notified to network operators: 3266
number of blocked spams: 128367
recipient count of blocked spams: 3867010

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

Rank	Network	# of suspected botnet IPs
1	HINET-NET	395
2	CHINANET-GD	273
3	UNICOM-GD	258
4	KORNET-KR	190
5	BSNLNET	153
6	VNPT-VNNIC-VN	91
7	NTHAIRNET	62
8	UNICOM-BJ	52
9	TELKOMNET	52
10	RCOM	49

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	934
2	Taiwan	428
3	India	357
4	South Korea	324
5	Russian Federation	314
6	Brazil	229
7	United States	176
8	Ukraine	144
9	Indonesia	123
10	Viet Nam	116