Botnet Statistics [2009-09-19]

detection period: 2009-09-19 00:00-23:59 UTC
total number of suspected botnet IPs: 4092
number of botnet IPs notified to network operators: 3241

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	1602
2	BSNLNET	364
3	CHINANET-GD	284
4	002.558.157/0001-62	117
5	AR-TEAR7-LACNIC	104
6	TATACOMM-IN	66
7	002.558.134/0001-58	62
8	RCOM	58
9	UNICOM-SD	51
10	AR-CASA10-LACNIC	48

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	Taiwan	1625
2	China	665
3	India	605
4	Brazil	376
5	Argentina	215
6	Russian Federation	127
7	United States	40
8	Thailand	38
9	Ukraine	32
10	Uruguay	31

Two long time top 10 countries, South Korea and Colombia, have dropped out of the chart. The new members of top 10 countries are Thailand and Uruguay.