Botnet Statistics [2021-05-13]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-05-13 00:00-23:59 UTC
total number of suspected botnet IPs: 26744
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 24824
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	1881
2	DIGITALOCEAN-192-241-128-0	670
3	TENCENT-CN	654
4	ALISOFT	644
5	VNPT-VN	594
6	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	566
7	VIETTEL-VN	471
8	Baidu	377
9	HINET-NET	349
10	CHINANET-SD	281

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	7325
2	United States	3851
3	Viet Nam	1537
4	Russian Federation	1517
5	India	1488
6	Brazil	1326
7	Thailand	634
8	European Union	582
9	Indonesia	521
10	Mexico	511

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

Rank	TCP port number	# of connection attempts received
1	445	162877
2	5038	85335
3	1456	60780
4	1439	50842
5	1412	47479
6	1097	47448
7	1534	46188
8	378	46105
9	1733	45791
10	1041	43854

20210514 Botnet Detection Live Streaming 1100+ zombies detected)