Botnet Statistics [2021-04-05]

(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: 2021-04-05 00:00-23:59 UTC
total number of suspected botnet IPs: 38946
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 35880
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	2156
2	VNPT-VN	932
3	VIETTEL-VN	855
4	TENCENT-CN	828
5	ALISOFT	807
6	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	657
7	HINET-NET	488
8	VE-CSVE-LACNIC	436
9	BSNLNET	413
10	CMNET	385

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	9170
2	United States	4521
3	India	2850
4	Viet Nam	2472
5	Russian Federation	2345
6	Brazil	1801
7	Indonesia	1186
8	Thailand	915
9	European Union	683
10	Taiwan	648

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

Rank	TCP port number	# of connection attempts received
1	445	408409
2	1221	148436
3	3381	116369
4	33	73055
5	22	70496
6	201	65402
7	23	45004
8	2275	43446
9	2235	42276
10	666	37812

20210406 Botnet Detection Live Streaming (2400+ zombies detected)