Botnet Statistics [2021-05-16]

(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: 2021-05-16 00:00-23:59 UTC
total number of suspected botnet IPs: 31268
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28771
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	2303
2	ALISOFT	839
3	TENCENT-CN	794
4	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	724
5	DIGITALOCEAN-192-241-128-0	698
6	Baidu	413
7	HINET-NET	376
8	VNPT-VN	354
9	VIETTEL-VN	344
10	CMNET	337

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	8834
2	United States	5091
3	Russian Federation	1571
4	India	1385
5	Brazil	1266
6	Viet Nam	1072
7	European Union	743
8	Indonesia	625
9	Mexico	519
10	Taiwan	507

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

Rank	TCP port number	# of connection attempts received
1	445	119675
2	566	58476
3	5900	40131
4	1433	39276
5	539	38591
6	3020	38073
7	51588	37630
8	22	36974
9	241	32225
10	23	27946

20210517 Botnet Detection Live Streaming 1800+ zombies detected)