Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: unknown

Region: unknown

Country: United States

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.43.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48139
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.43.16.			IN	A

;; AUTHORITY SECTION:
.			430	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 22 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:21:21 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 16.43.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 16.43.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
120.71.145.254 attackbotsspam
$f2bV_matches
2020-07-08 15:16:21
125.34.240.33 attack
Brute force attempt
2020-07-08 15:13:09
165.22.209.138 attackbots
Jul  8 09:39:11 ift sshd\[1244\]: Invalid user david from 165.22.209.138Jul  8 09:39:13 ift sshd\[1244\]: Failed password for invalid user david from 165.22.209.138 port 42658 ssh2Jul  8 09:42:42 ift sshd\[2180\]: Invalid user sheila from 165.22.209.138Jul  8 09:42:44 ift sshd\[2180\]: Failed password for invalid user sheila from 165.22.209.138 port 40480 ssh2Jul  8 09:46:15 ift sshd\[3143\]: Failed password for mail from 165.22.209.138 port 38310 ssh2
...
2020-07-08 15:26:23
112.85.42.176 attack
Jul  8 09:10:54 home sshd[26714]: Failed password for root from 112.85.42.176 port 35511 ssh2
Jul  8 09:11:07 home sshd[26714]: error: maximum authentication attempts exceeded for root from 112.85.42.176 port 35511 ssh2 [preauth]
Jul  8 09:11:14 home sshd[26744]: Failed password for root from 112.85.42.176 port 3907 ssh2
...
2020-07-08 15:18:15
216.6.201.3 attackbotsspam
$f2bV_matches
2020-07-08 15:28:18
180.141.51.206 attackspambots
Automatic report - Port Scan Attack
2020-07-08 15:39:53
103.107.187.252 attack
SSH Brute Force
2020-07-08 15:16:40
166.62.41.108 attack
166.62.41.108 - - \[08/Jul/2020:08:33:57 +0200\] "POST /wp-login.php HTTP/1.0" 200 6528 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
166.62.41.108 - - \[08/Jul/2020:08:34:00 +0200\] "POST /wp-login.php HTTP/1.0" 200 6530 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
166.62.41.108 - - \[08/Jul/2020:08:34:02 +0200\] "POST /wp-login.php HTTP/1.0" 200 6386 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2020-07-08 15:34:45
111.242.136.178 attackspam
1594179860 - 07/08/2020 05:44:20 Host: 111.242.136.178/111.242.136.178 Port: 445 TCP Blocked
2020-07-08 15:27:06
185.25.206.242 attackbots
Jul  8 13:39:29 itv-usvr-02 sshd[12425]: Invalid user bb from 185.25.206.242 port 51170
Jul  8 13:39:29 itv-usvr-02 sshd[12425]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.25.206.242
Jul  8 13:39:29 itv-usvr-02 sshd[12425]: Invalid user bb from 185.25.206.242 port 51170
Jul  8 13:39:32 itv-usvr-02 sshd[12425]: Failed password for invalid user bb from 185.25.206.242 port 51170 ssh2
Jul  8 13:45:53 itv-usvr-02 sshd[12683]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.25.206.242  user=mail
Jul  8 13:45:54 itv-usvr-02 sshd[12683]: Failed password for mail from 185.25.206.242 port 57360 ssh2
2020-07-08 15:51:49
211.75.94.83 attackspambots
port 23
2020-07-08 15:19:27
45.55.88.16 attack
invalid user we from 45.55.88.16 port 46332 ssh2
2020-07-08 15:15:50
223.255.28.203 attack
Jul  8 05:44:08 raspberrypi sshd[4397]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.255.28.203 
Jul  8 05:44:09 raspberrypi sshd[4397]: Failed password for invalid user shoshu from 223.255.28.203 port 41934 ssh2
...
2020-07-08 15:36:41
77.40.3.116 attackbots
[MK-VM1] Blocked by UFW
2020-07-08 15:33:44
196.52.43.65 attackspambots
 TCP (SYN) 196.52.43.65:58418 -> port 11211, len 44
2020-07-08 15:37:31

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