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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.83.3
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23714
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.83.3.			IN	A

;; AUTHORITY SECTION:
.			572	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022201 1800 900 604800 86400

;; Query time: 73 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 23 04:05:46 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 3.83.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 3.83.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
109.190.196.248 attackbotsspam
port scan and connect, tcp 1433 (ms-sql-s)
2019-11-11 16:45:59
178.33.236.23 attackspam
2019-11-11T01:22:11.599093ns547587 sshd\[32131\]: Invalid user tester from 178.33.236.23 port 52762
2019-11-11T01:22:11.601065ns547587 sshd\[32131\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns328667.ip-178-33-236.eu
2019-11-11T01:22:14.168127ns547587 sshd\[32131\]: Failed password for invalid user tester from 178.33.236.23 port 52762 ssh2
2019-11-11T01:27:06.968707ns547587 sshd\[8115\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns328667.ip-178-33-236.eu  user=root
...
2019-11-11 17:09:50
178.213.201.147 attackbotsspam
Chat Spam
2019-11-11 16:50:49
94.23.42.196 attack
wp4.breidenba.ch 94.23.42.196 \[11/Nov/2019:07:49:03 +0100\] "POST /wp-login.php HTTP/1.1" 200 5603 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
wp4.breidenba.ch 94.23.42.196 \[11/Nov/2019:07:49:03 +0100\] "POST /xmlrpc.php HTTP/1.1" 200 4083 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-11-11 16:43:08
65.39.133.8 attack
65.39.133.8 - - \[11/Nov/2019:09:24:11 +0100\] "POST /wp-login.php HTTP/1.0" 200 10546 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
65.39.133.8 - - \[11/Nov/2019:09:24:13 +0100\] "POST /wp-login.php HTTP/1.0" 200 10371 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
65.39.133.8 - - \[11/Nov/2019:09:24:16 +0100\] "POST /wp-login.php HTTP/1.0" 200 10366 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-11-11 16:48:19
181.28.237.77 attackspambots
2019-11-11T08:32:46.254203abusebot-5.cloudsearch.cf sshd\[1795\]: Invalid user cyrus from 181.28.237.77 port 35233
2019-11-11 17:05:15
42.178.124.86 attackspam
Automatic report - Port Scan Attack
2019-11-11 17:13:29
202.29.176.21 attackbots
Tried sshing with brute force.
2019-11-11 17:04:57
24.121.219.54 attackbots
Automatic report - Banned IP Access
2019-11-11 16:44:06
218.104.199.131 attackspambots
Nov 10 20:22:06 auw2 sshd\[22231\]: Invalid user bekkby from 218.104.199.131
Nov 10 20:22:06 auw2 sshd\[22231\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.104.199.131
Nov 10 20:22:08 auw2 sshd\[22231\]: Failed password for invalid user bekkby from 218.104.199.131 port 46496 ssh2
Nov 10 20:27:04 auw2 sshd\[22631\]: Invalid user kayla from 218.104.199.131
Nov 10 20:27:04 auw2 sshd\[22631\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.104.199.131
2019-11-11 17:11:09
62.164.176.194 attack
jannisjulius.de 62.164.176.194 \[11/Nov/2019:08:26:17 +0100\] "POST /wp-login.php HTTP/1.1" 200 6117 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
jannisjulius.de 62.164.176.194 \[11/Nov/2019:08:26:18 +0100\] "POST /wp-login.php HTTP/1.1" 200 6077 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-11-11 17:00:37
207.154.229.50 attackbots
Nov 10 22:40:15 sachi sshd\[13153\]: Invalid user admin from 207.154.229.50
Nov 10 22:40:15 sachi sshd\[13153\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.229.50
Nov 10 22:40:17 sachi sshd\[13153\]: Failed password for invalid user admin from 207.154.229.50 port 53622 ssh2
Nov 10 22:44:02 sachi sshd\[13473\]: Invalid user larocco from 207.154.229.50
Nov 10 22:44:02 sachi sshd\[13473\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.229.50
2019-11-11 16:50:26
203.125.145.58 attackspambots
Nov 11 09:27:47 hosting sshd[21486]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.125.145.58  user=root
Nov 11 09:27:49 hosting sshd[21486]: Failed password for root from 203.125.145.58 port 42530 ssh2
...
2019-11-11 16:45:09
112.21.191.253 attack
Nov 11 07:54:40 myhostname sshd[16176]: Invalid user webadmin from 112.21.191.253
Nov 11 07:54:40 myhostname sshd[16176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.21.191.253
Nov 11 07:54:42 myhostname sshd[16176]: Failed password for invalid user webadmin from 112.21.191.253 port 45926 ssh2
Nov 11 07:54:43 myhostname sshd[16176]: Received disconnect from 112.21.191.253 port 45926:11: Bye Bye [preauth]
Nov 11 07:54:43 myhostname sshd[16176]: Disconnected from 112.21.191.253 port 45926 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=112.21.191.253
2019-11-11 17:12:44
24.41.138.67 attackspambots
Automatic report - Port Scan Attack
2019-11-11 16:52:50

Recently Reported IPs

104.21.83.202 104.21.83.5 104.21.83.70 104.21.84.126
104.21.84.176 104.21.84.191 104.21.84.82 104.21.84.92
104.21.85.149 104.21.85.15 104.21.91.197 237.32.164.4
104.21.91.35 104.21.91.89 104.21.92.196 104.21.93.10
104.21.94.115 104.21.94.202 104.21.94.234 104.21.94.242