Botnet Statistics [2021-04-26]

(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: 2021-04-26 00:00-23:59 UTC
total number of suspected botnet IPs: 31011
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28626
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	2282
2	TENCENT-CN	807
3	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	696
4	DIGITALOCEAN-192-241-128-0	680
5	ALISOFT	645
6	VNPT-VN	584
7	VIETTEL-VN	460
8	HINET-NET	416
9	Baidu	369
10	CMNET	326

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	8319
2	United States	4698
3	India	1913
4	Russian Federation	1728
5	Viet Nam	1509
6	Brazil	1381
7	Indonesia	763
8	European Union	717
9	Thailand	650
10	Taiwan	556

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

Rank	TCP port number	# of connection attempts received
1	445	501544
2	1971	211934
3	739	180708
4	737	179037
5	639	165770
6	1000	156789
7	1043	134655
8	1437	134342
9	1237	134066
10	1236	133704

20210427 Botnet Detection Live Streaming (1700+ zombies detected)