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 <<>> 104.21.4.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64983
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.16.			IN	A

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

;; Query time: 60 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:28:02 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 16.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 16.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.92.0.148 attack
Aug  5 12:53:03 santamaria sshd\[11028\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.148  user=root
Aug  5 12:53:05 santamaria sshd\[11028\]: Failed password for root from 218.92.0.148 port 34620 ssh2
Aug  5 12:53:11 santamaria sshd\[11030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.148  user=root
...
2020-08-05 18:54:16
122.166.237.117 attackbotsspam
Aug  5 06:27:26 * sshd[28931]: Failed password for root from 122.166.237.117 port 3892 ssh2
2020-08-05 18:57:04
165.22.228.147 attackspambots
retro-gamer.club 165.22.228.147 [31/Jul/2020:12:04:17 +0200] "POST /wp-login.php HTTP/1.1" 200 6062 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
retro-gamer.club 165.22.228.147 [31/Jul/2020:12:04:19 +0200] "POST /wp-login.php HTTP/1.1" 200 6032 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-08-05 18:38:36
5.135.159.189 attackspam
retro-gamer.club 5.135.159.189 [03/Aug/2020:07:01:26 +0200] "POST /wp-login.php HTTP/1.1" 200 6062 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
retro-gamer.club 5.135.159.189 [03/Aug/2020:07:01:26 +0200] "POST /wp-login.php HTTP/1.1" 200 6032 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-08-05 18:43:33
145.239.80.175 attackspambots
postfix
2020-08-05 18:42:17
185.175.93.3 attackspam
08/05/2020-06:09:56.600767 185.175.93.3 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-08-05 18:41:24
162.243.129.245 attackbots
Unauthorized connection attempt detected from IP address 162.243.129.245 to port 8200 [T]
2020-08-05 19:15:09
218.26.204.42 attackbots
Port Scan
...
2020-08-05 19:18:07
118.89.170.55 attackbotsspam
malicious Brute-Force reported by https://www.patrick-binder.de
...
2020-08-05 19:13:13
139.129.230.217 attackspambots
Failed password for root from 139.129.230.217 port 32802 ssh2
2020-08-05 19:10:35
192.169.200.145 attack
CMS (WordPress or Joomla) login attempt.
2020-08-05 18:59:18
91.103.248.23 attackspam
Aug  4 17:51:34 auw2 sshd\[27990\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.103.248.23  user=root
Aug  4 17:51:36 auw2 sshd\[27990\]: Failed password for root from 91.103.248.23 port 56738 ssh2
Aug  4 17:55:55 auw2 sshd\[28331\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.103.248.23  user=root
Aug  4 17:55:57 auw2 sshd\[28331\]: Failed password for root from 91.103.248.23 port 40144 ssh2
Aug  4 18:00:24 auw2 sshd\[28673\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.103.248.23  user=root
2020-08-05 19:14:18
51.83.42.66 attackspambots
Connection to SSH Honeypot - Detected by HoneypotDB
2020-08-05 18:50:18
192.3.255.139 attack
TCP port : 2204
2020-08-05 18:51:33
69.195.124.127 attackspambots
(ftpd) Failed FTP login from 69.195.124.127 (US/United States/box927.bluehost.com): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_FTPD; Logs: Aug  5 10:48:50 serv proftpd[7741]:  (69.195.124.127[69.195.124.127]) - USER fb-follow: no such user found from 69.195.124.127 [69.195.124.127] to ::ffff::21
Aug  5 10:48:52 serv proftpd[7749]:  (69.195.124.127[69.195.124.127]) - USER ftp: no such user found from 69.195.124.127 [69.195.124.127] to ::ffff::21
2020-08-05 18:39:22

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