Botnet Statistics [2021-05-02]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-05-02 00:00-23:59 UTC
total number of suspected botnet IPs: 30388
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 28045
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	2455
2	TENCENT-CN	852
3	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	728
4	ALISOFT	727
5	DIGITALOCEAN-192-241-128-0	668
6	HINET-NET	422
7	Baidu	405
8	CHINANET-SD	384
9	CMNET	318
10	VIETTEL-VN	291

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	8968
2	United States	5232
3	Russian Federation	1474
4	India	1345
5	Brazil	1174
6	Viet Nam	927
7	European Union	747
8	Indonesia	639
9	Taiwan	554
10	South Korea	499

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

Rank	TCP port number	# of connection attempts received
1	5038	621706
2	445	239440
3	1012	197560
4	1014	190110
5	1013	184849
6	1015	183662
7	805	172915
8	804	165735
9	803	139353
10	1011	74962

20210503 Botnet Detection Live Streaming (1600+ zombies detected)