Botnet Statistics [2021-04-25]

(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: 2021-04-25 00:00-23:59 UTC
total number of suspected botnet IPs: 28806
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26576
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	2357
2	TENCENT-CN	835
3	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	716
4	DIGITALOCEAN-192-241-128-0	688
5	ALISOFT	581
6	HINET-NET	408
7	Baidu	388
8	VNPT-VN	329
9	CMNET	306
10	VIETTEL-VN	298

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	8505
2	United States	4708
3	Russian Federation	1466
4	India	1190
5	Brazil	1172
6	Viet Nam	996
7	Indonesia	842
8	European Union	731
9	Taiwan	531
10	Hong Kong	473

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

Rank	TCP port number	# of connection attempts received
1	445	339810
2	609	171150
3	903	166554
4	611	163690
5	610	156025
6	616	156024
7	902	135731
8	1336	132621
9	1036	130725
10	1241	130459

20210426 Botnet Detection Live Streaming (1700+ zombies detected)