Botnet Statistics [2021-04-19]

(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: 2021-04-19 00:00-23:59 UTC
total number of suspected botnet IPs: 32215
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 29695
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	2257
2	TENCENT-CN	869
3	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	677
4	DIGITALOCEAN-192-241-128-0	676
5	VNPT-VN	624
6	ALISOFT	555
7	VIETTEL-VN	511
8	HINET-NET	453
9	Baidu	368
10	BSNLNET	317

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	8512
2	United States	4729
3	India	2014
4	Russian Federation	1713
5	Viet Nam	1605
6	Brazil	1481
7	Indonesia	929
8	European Union	700
9	Thailand	669
10	Taiwan	550

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

Rank	TCP port number	# of connection attempts received
1	445	356026
2	650	208748
3	500	151273
4	2065	86171
5	2060	84379
6	22	69574
7	300	64463
8	501	62815
9	127	60137
10	227	58270

20210420 Botnet Detection Live Streaming (1900+ zombies detected)