Botnet Statistics [2021-01-12]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for January 2021.)
detection period: 2021-01-12 00:00-23:59 UTC
total number of suspected botnet IPs: 44409
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 41302
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	2054
2	CENTURYLINK-LEGACY-QWEST-INET-118	1046
3	VNPT-VN	1031
4	VIETTEL-VN	837
5	TENCENT-CN	831
6	DIGITALOCEAN-192-241-128-0	702
7	HINET-NET	608
8	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	582
9	VE-CSVE-LACNIC	530
10	ALISOFT	480

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	9524
2	United States	8403
3	India	2637
4	Viet Nam	2580
5	Russian Federation	2437
6	Brazil	1947
7	Indonesia	1357
8	Thailand	926
9	France	807
10	Taiwan	792

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

Rank	TCP port number	# of connection attempts received
1	445	336711
2	22	73545
3	23	55363
4	2525	53164
5	3022	40717
6	1433	36421
7	1300	34700
8	82	27074
9	672	24778
10	66	24449