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: None

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 <<>> 104.21.12.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31791
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.72.			IN	A

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

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:10:29 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 72.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 72.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
61.68.227.94 attack
Jul 22 06:59:56 srv-ubuntu-dev3 sshd[89630]: Invalid user user from 61.68.227.94
Jul 22 06:59:56 srv-ubuntu-dev3 sshd[89630]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.68.227.94
Jul 22 06:59:56 srv-ubuntu-dev3 sshd[89630]: Invalid user user from 61.68.227.94
Jul 22 06:59:57 srv-ubuntu-dev3 sshd[89630]: Failed password for invalid user user from 61.68.227.94 port 50662 ssh2
Jul 22 07:04:49 srv-ubuntu-dev3 sshd[90240]: Invalid user na from 61.68.227.94
Jul 22 07:04:49 srv-ubuntu-dev3 sshd[90240]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.68.227.94
Jul 22 07:04:49 srv-ubuntu-dev3 sshd[90240]: Invalid user na from 61.68.227.94
Jul 22 07:04:52 srv-ubuntu-dev3 sshd[90240]: Failed password for invalid user na from 61.68.227.94 port 58636 ssh2
Jul 22 07:09:39 srv-ubuntu-dev3 sshd[90807]: Invalid user asshole from 61.68.227.94
...
2020-07-22 13:46:32
178.33.212.220 attack
Jul 22 05:04:05 game-panel sshd[17407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.33.212.220
Jul 22 05:04:06 game-panel sshd[17407]: Failed password for invalid user test11 from 178.33.212.220 port 57604 ssh2
Jul 22 05:12:41 game-panel sshd[17931]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.33.212.220
2020-07-22 13:50:50
106.54.206.184 attack
2020-07-22T05:57:23+0200 Failed SSH Authentication/Brute Force Attack. (Server 4)
2020-07-22 14:01:22
106.12.222.209 attack
2020-07-22T05:10:18.688169shield sshd\[9031\]: Invalid user teste from 106.12.222.209 port 53216
2020-07-22T05:10:18.698056shield sshd\[9031\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.222.209
2020-07-22T05:10:20.621926shield sshd\[9031\]: Failed password for invalid user teste from 106.12.222.209 port 53216 ssh2
2020-07-22T05:13:27.976828shield sshd\[9369\]: Invalid user bonny from 106.12.222.209 port 60816
2020-07-22T05:13:27.984891shield sshd\[9369\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.222.209
2020-07-22 14:02:31
112.78.188.194 attackspam
2020-07-22T05:24:25.952529shield sshd\[11145\]: Invalid user cop from 112.78.188.194 port 41124
2020-07-22T05:24:25.961859shield sshd\[11145\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.78.188.194
2020-07-22T05:24:28.161793shield sshd\[11145\]: Failed password for invalid user cop from 112.78.188.194 port 41124 ssh2
2020-07-22T05:29:08.448144shield sshd\[12361\]: Invalid user daf from 112.78.188.194 port 54626
2020-07-22T05:29:08.457850shield sshd\[12361\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.78.188.194
2020-07-22 13:40:27
60.186.218.220 attack
Invalid user qb from 60.186.218.220 port 52146
2020-07-22 14:13:34
34.87.171.184 attack
Jul 22 07:40:03 meumeu sshd[1268657]: Invalid user user2 from 34.87.171.184 port 48342
Jul 22 07:40:03 meumeu sshd[1268657]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.87.171.184 
Jul 22 07:40:03 meumeu sshd[1268657]: Invalid user user2 from 34.87.171.184 port 48342
Jul 22 07:40:05 meumeu sshd[1268657]: Failed password for invalid user user2 from 34.87.171.184 port 48342 ssh2
Jul 22 07:43:03 meumeu sshd[1268787]: Invalid user liuxin from 34.87.171.184 port 37726
Jul 22 07:43:03 meumeu sshd[1268787]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.87.171.184 
Jul 22 07:43:03 meumeu sshd[1268787]: Invalid user liuxin from 34.87.171.184 port 37726
Jul 22 07:43:05 meumeu sshd[1268787]: Failed password for invalid user liuxin from 34.87.171.184 port 37726 ssh2
Jul 22 07:46:09 meumeu sshd[1268924]: Invalid user nagaraja from 34.87.171.184 port 55322
...
2020-07-22 13:56:13
87.208.56.229 attackbotsspam
Jul 22 05:57:17 ovpn sshd\[20912\]: Invalid user pi from 87.208.56.229
Jul 22 05:57:17 ovpn sshd\[20912\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.208.56.229
Jul 22 05:57:17 ovpn sshd\[20914\]: Invalid user pi from 87.208.56.229
Jul 22 05:57:17 ovpn sshd\[20914\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.208.56.229
Jul 22 05:57:19 ovpn sshd\[20912\]: Failed password for invalid user pi from 87.208.56.229 port 51858 ssh2
2020-07-22 14:04:58
119.27.165.49 attack
Invalid user jiale from 119.27.165.49 port 33923
2020-07-22 14:16:00
222.186.30.57 attackbotsspam
Jul 22 05:28:23 rush sshd[27710]: Failed password for root from 222.186.30.57 port 11999 ssh2
Jul 22 05:28:31 rush sshd[27712]: Failed password for root from 222.186.30.57 port 39132 ssh2
...
2020-07-22 13:41:26
182.160.36.249 attackbotsspam
Port probing on unauthorized port 445
2020-07-22 14:06:46
200.73.130.179 attackbots
Jul 21 23:57:50 mail sshd\[38189\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.73.130.179  user=backup
...
2020-07-22 13:41:55
200.41.86.59 attackspambots
$f2bV_matches
2020-07-22 14:11:20
49.235.132.42 attackbotsspam
Jul 22 07:26:37 prod4 sshd\[9450\]: Invalid user fyn from 49.235.132.42
Jul 22 07:26:39 prod4 sshd\[9450\]: Failed password for invalid user fyn from 49.235.132.42 port 32926 ssh2
Jul 22 07:31:20 prod4 sshd\[10953\]: Invalid user mxc from 49.235.132.42
...
2020-07-22 13:45:07
222.184.14.90 attackbotsspam
Invalid user 9 from 222.184.14.90 port 51800
2020-07-22 14:00:26

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