Botnet Statistics [2021-04-23]

(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: 2021-04-23 00:00-23:59 UTC
total number of suspected botnet IPs: 31261
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28860
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	2428
2	TENCENT-CN	870
3	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	754
4	DIGITALOCEAN-192-241-128-0	683
5	ALISOFT	646
6	VNPT-VN	490
7	HINET-NET	488
8	VIETTEL-VN	423
9	Baidu	401
10	CMNET	310

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	9007
2	United States	4565
3	India	1775
4	Russian Federation	1509
5	Viet Nam	1339
6	Brazil	1331
7	Indonesia	1069
8	European Union	782
9	Taiwan	606
10	Thailand	587

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

Rank	TCP port number	# of connection attempts received
1	445	317309
2	601	192627
3	414	185473
4	608	183715
5	904	180538
6	600	177982
7	603	175014
8	515	174433
9	605	173950
10	509	173184

20210424 Botnet Detection Live Streaming (1800+ zombies detected)