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 <<>> 104.21.37.12
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1325
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.37.12.			IN	A

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

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:26:25 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 12.37.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 12.37.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
92.63.194.26 attackbots
Oct 21 07:17:10 odroid64 sshd\[8892\]: Invalid user admin from 92.63.194.26
Oct 21 07:17:10 odroid64 sshd\[8892\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.63.194.26
Oct 21 07:17:12 odroid64 sshd\[8892\]: Failed password for invalid user admin from 92.63.194.26 port 50724 ssh2
Oct 21 07:17:10 odroid64 sshd\[8892\]: Invalid user admin from 92.63.194.26
Oct 21 07:17:10 odroid64 sshd\[8892\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.63.194.26
Oct 21 07:17:12 odroid64 sshd\[8892\]: Failed password for invalid user admin from 92.63.194.26 port 50724 ssh2
Oct 23 13:38:40 odroid64 sshd\[16983\]: Invalid user admin from 92.63.194.26
Oct 23 13:38:40 odroid64 sshd\[16983\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.63.194.26
Oct 23 13:38:40 odroid64 sshd\[16983\]: Invalid user admin from 92.63.194.26
Oct 23 13:38:40 odroid64 sshd\[16983\]: 
...
2019-11-21 19:23:50
165.227.60.225 attackspam
Automatic report - SSH Brute-Force Attack
2019-11-21 19:26:05
165.22.121.222 attackspam
Honeypot attack, port: 23, PTR: PTR record not found
2019-11-21 19:37:51
91.229.76.235 attackspambots
91.229.76.235 was recorded 5 times by 1 hosts attempting to connect to the following ports: 3128. Incident counter (4h, 24h, all-time): 5, 5, 21
2019-11-21 20:03:06
194.15.36.41 attackbotsspam
Honeypot attack, port: 23, PTR: PTR record not found
2019-11-21 19:21:47
130.180.66.98 attack
Nov 21 08:23:57 sauna sshd[133002]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.180.66.98
Nov 21 08:24:00 sauna sshd[133002]: Failed password for invalid user franciska from 130.180.66.98 port 50152 ssh2
...
2019-11-21 19:33:14
118.25.25.207 attackspambots
Nov 11 12:03:28 odroid64 sshd\[22833\]: Invalid user tibby from 118.25.25.207
Nov 11 12:03:28 odroid64 sshd\[22833\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.25.207
...
2019-11-21 19:25:41
103.129.109.120 attackspam
Honeypot attack, port: 23, PTR: PTR record not found
2019-11-21 19:39:49
206.189.122.133 attackbots
$f2bV_matches
2019-11-21 19:38:17
213.221.45.75 attack
Honeypot attack, port: 23, PTR: PTR record not found
2019-11-21 20:02:31
142.59.220.69 attackspambots
Honeypot attack, port: 445, PTR: s142-59-220-69.ab.hsia.telus.net.
2019-11-21 19:52:26
5.39.88.4 attackspambots
Mar  3 15:29:19 vtv3 sshd[12724]: Invalid user jm from 5.39.88.4 port 39452
Mar  3 15:29:19 vtv3 sshd[12724]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.39.88.4
Mar  3 15:29:21 vtv3 sshd[12724]: Failed password for invalid user jm from 5.39.88.4 port 39452 ssh2
Mar  3 15:35:43 vtv3 sshd[15602]: Invalid user iu from 5.39.88.4 port 45910
Mar  3 15:35:43 vtv3 sshd[15602]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.39.88.4
Mar 13 07:40:46 vtv3 sshd[12278]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.39.88.4  user=root
Mar 13 07:40:48 vtv3 sshd[12278]: Failed password for root from 5.39.88.4 port 34518 ssh2
Mar 13 07:47:20 vtv3 sshd[14806]: Invalid user cbackup from 5.39.88.4 port 42366
Mar 13 07:47:20 vtv3 sshd[14806]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.39.88.4
Mar 13 07:47:22 vtv3 sshd[14806]: Failed password for invalid
2019-11-21 19:27:00
220.135.232.45 attack
220.135.232.45 was recorded 5 times by 1 hosts attempting to connect to the following ports: 23. Incident counter (4h, 24h, all-time): 5, 20, 24
2019-11-21 20:01:29
222.186.175.202 attackbots
SSH Brute-Force reported by Fail2Ban
2019-11-21 19:35:20
176.31.250.160 attackbotsspam
Nov  7 07:38:49 odroid64 sshd\[25011\]: User root from 176.31.250.160 not allowed because not listed in AllowUsers
Nov  7 07:38:49 odroid64 sshd\[25011\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.250.160  user=root
...
2019-11-21 19:54:23

Recently Reported IPs

104.21.69.206 104.21.37.120 104.21.37.139 104.21.37.138
104.21.37.140 104.21.37.141 104.21.37.15 104.21.69.209
104.21.37.155 104.21.37.16 104.21.37.161 104.21.37.185
104.21.37.17 104.21.37.2 104.21.37.201 104.21.37.184
104.21.37.162 104.21.37.22 104.21.37.218 104.21.37.222