Botnet Statistics [2021-03-20]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for March 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-03-20 00:00-23:59 UTC
total number of suspected botnet IPs: 33578
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 30978
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	1944
2	TENCENT-CN	838
3	VNPT-VN	652
4	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	606
5	VIETTEL-VN	592
6	DIGITALOCEAN-192-241-128-0	535
7	ALISOFT	492
8	HINET-NET	484
9	BSNLNET	390
10	CMNET	382

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	8895
2	United States	4340
3	India	2588
4	Viet Nam	1795
5	Russian Federation	1739
6	Brazil	1395
7	Indonesia	912
8	South Korea	634
9	European Union	628
10	Taiwan	624

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

Rank	TCP port number	# of connection attempts received
1	1157	222545
2	1057	222481
3	1257	219472
4	445	198105
5	1357	85187
6	146	71716
7	22	69598
8	143	58145
9	1977	53960
10	4222	47745

20210321 Botnet Detection Live Streaming (2200+ zombies detected)