Botnet Statistics [2021-09-19]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for September 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-09-19 00:00-23:59 UTC
total number of suspected botnet IPs: 26239
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 24210
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	1300
2	ALISOFT	952
3	DIGITALOCEAN-192-241-128-0	760
4	TENCENT-CN	349
5	CMNET	346
6	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	344
7	HINET-NET	333
8	VNPT-VN	312
9	VIETTEL-VN	304
10	Baidu	303

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	6203
2	United States	4897
3	Russian Federation	1589
4	India	1487
5	Brazil	1139
6	Viet Nam	965
7	Indonesia	605
8	Mauritius	450
9	Taiwan	445
10	South Korea	445

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

Rank	TCP port number	# of connection attempts received
1	445	233057
2	5822	205752
3	5722	202326
4	1854	195120
5	10221	157069
6	5020	135513
7	2277	116857
8	6922	112622
9	2255	106119
10	6001	95267

20210920 Botnet Detection Live Streaming 70+ zombies detected)