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 <<>> 104.21.50.37
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6877
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.50.37.			IN	A

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

;; Query time: 69 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:35:10 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 37.50.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 37.50.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
170.247.43.142 attackspambots
Mar 19 04:35:44 mail.srvfarm.net postfix/smtpd[1938266]: NOQUEUE: reject: RCPT from 170-247-43-142.westlink.net.br[170.247.43.142]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=<170-247-43-142.westlink.net.br>
Mar 19 04:35:44 mail.srvfarm.net postfix/smtpd[1938266]: NOQUEUE: reject: RCPT from 170-247-43-142.westlink.net.br[170.247.43.142]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=<170-247-43-142.westlink.net.br>
Mar 19 04:35:45 mail.srvfarm.net postfix/smtpd[1938266]: NOQUEUE: reject: RCPT from 170-247-43-142.westlink.net.br[170.247.43.142]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=<170-247-43-142.westlink.net.br>
Mar 19 04:35:46 mail.srvfarm.net postfix/smtpd[19
2020-03-19 18:39:51
14.167.75.99 attackspam
SpamScore above: 10.0
2020-03-19 19:09:52
180.76.171.132 attackbots
Invalid user jetty from 180.76.171.132 port 43147
2020-03-19 19:09:05
186.207.180.25 attackspambots
Mar 19 11:17:22 mail sshd\[12885\]: Invalid user admin from 186.207.180.25
Mar 19 11:17:22 mail sshd\[12885\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.207.180.25
Mar 19 11:17:23 mail sshd\[12885\]: Failed password for invalid user admin from 186.207.180.25 port 51790 ssh2
...
2020-03-19 18:49:54
79.155.194.111 attackspam
Mar 19 11:18:21 xeon sshd[60014]: Failed password for root from 79.155.194.111 port 33042 ssh2
2020-03-19 18:42:43
46.105.124.219 attackbotsspam
Invalid user mongodb from 46.105.124.219 port 53954
2020-03-19 18:47:44
45.95.168.159 attack
Rude login attack (2 tries in 1d)
2020-03-19 18:44:19
222.80.196.16 attackspambots
Invalid user carlo from 222.80.196.16 port 36962
2020-03-19 18:28:44
119.204.133.9 attack
Telnet/23 MH Probe, Scan, BF, Hack -
2020-03-19 18:23:51
82.65.9.149 attack
[ssh] SSH attack
2020-03-19 18:29:47
167.99.83.237 attackbots
Mar 19 06:56:55 ws12vmsma01 sshd[33317]: Failed password for invalid user david from 167.99.83.237 port 59016 ssh2
Mar 19 07:04:02 ws12vmsma01 sshd[34438]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.83.237  user=root
Mar 19 07:04:04 ws12vmsma01 sshd[34438]: Failed password for root from 167.99.83.237 port 52334 ssh2
...
2020-03-19 18:31:48
89.214.119.216 attack
Automatic report - Port Scan Attack
2020-03-19 18:42:20
140.136.210.145 attack
Unauthorized connection attempt detected from IP address 140.136.210.145 to port 23 [T]
2020-03-19 18:53:28
223.204.71.194 attack
SSH login attempts.
2020-03-19 18:34:08
51.83.45.65 attackspam
Mar 19 17:48:41 webhost01 sshd[6133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.45.65
Mar 19 17:48:43 webhost01 sshd[6133]: Failed password for invalid user admin from 51.83.45.65 port 58542 ssh2
...
2020-03-19 18:50:15

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