Botnet Statistics [2021-04-02]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for April 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-04-02 00:00-23:59 UTC
total number of suspected botnet IPs: 34802
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32096
number of spam blocked: 0
recipient count of spam blocked: 0

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

Rank	Network	# of suspected botnet IPs
1	TencentCloud	1998
2	VNPT-VN	875
3	VIETTEL-VN	820
4	TENCENT-CN	758
5	ALISOFT	728
6	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	603
7	HINET-NET	504
8	DIGITALOCEAN-192-241-128-0	390
9	VE-CSVE-LACNIC	371
10	CMNET	362

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

Rank	Country/Region	# of suspected botnet IPs
1	China	8587
2	United States	4072
3	India	2607
4	Viet Nam	2362
5	Russian Federation	2093
6	Brazil	1365
7	Thailand	900
8	Indonesia	818
9	Taiwan	665
10	Turkey	635

The top 10 TCP ports, ordered by the number of connection attempts received are:

Rank	TCP port number	# of connection attempts received
1	445	462970
2	198	318754
3	199	303475
4	188	233664
5	18045	232159
6	18030	229853
7	18035	228116
8	18040	190074
9	18025	166915
10	22	151353

20210403 Botnet Detection Live Streaming (800+ zombies detected)