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Sunday, September 20, 2009

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:

RankNetwork# of suspected botnet IPs
1HINET-NET1602
2BSNLNET364
3CHINANET-GD284
4002.558.157/0001-62117
5AR-TEAR7-LACNIC104
6TATACOMM-IN66
7002.558.134/0001-5862
8RCOM58
9UNICOM-SD51
10AR-CASA10-LACNIC48


The top 10 countries (as defined by the 2-character country code), ordered by number of suspected botnet IPs are:

RankCountry# of suspected botnet IPs
1Taiwan1625
2China665
3India605
4Brazil376
5Argentina215
6Russian Federation127
7United States40
8Thailand38
9Ukraine32
10Uruguay31


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.

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