Botnet Statistics [2021-05-15]

(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: 2021-05-15 00:00-23:59 UTC
total number of suspected botnet IPs: 26157
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 24208
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	1410
2	DIGITALOCEAN-192-241-128-0	670
3	ALISOFT	651
4	TENCENT-CN	477
5	NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	474
6	AL-3	460
7	VNPT-VN	413
8	Baidu	382
9	VIETTEL-VN	379
10	HINET-NET	339

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	6654
2	United States	4353
3	Russian Federation	1470
4	India	1469
5	Viet Nam	1193
6	Brazil	1186
7	Indonesia	539
8	European Union	492
9	Mexico	482
10	Taiwan	451

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

Rank	TCP port number	# of connection attempts received
1	445	134444
2	1433	44260
3	22	39134
4	239	38164
5	166	38143
6	2000	35712
7	1067	33128
8	1099	32880
9	1139	31076
10	2339	30988

20210516 Botnet Detection Live Streaming 1600+ zombies detected)