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 <<>> 104.21.12.172
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21069
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.172.			IN	A

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

;; Query time: 93 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 17:45:03 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 172.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 172.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
82.179.176.252 attackspam
Unauthorized connection attempt from IP address 82.179.176.252 on Port 445(SMB)
2020-03-06 03:53:18
125.163.76.38 attack
Unauthorized connection attempt from IP address 125.163.76.38 on Port 445(SMB)
2020-03-06 04:07:54
163.172.122.165 attackbotsspam
Feb  4 04:44:52 odroid64 sshd\[28973\]: Invalid user ftptest from 163.172.122.165
Feb  4 04:44:52 odroid64 sshd\[28973\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.122.165
...
2020-03-06 03:42:36
109.123.117.231 attackbotsspam
SIP/5060 Probe, BF, Hack -
2020-03-06 03:52:54
115.85.128.185 attackbotsspam
Email rejected due to spam filtering
2020-03-06 03:47:35
49.235.175.160 attackspambots
Mar  5 17:07:48 rotator sshd\[12053\]: Invalid user john from 49.235.175.160Mar  5 17:07:50 rotator sshd\[12053\]: Failed password for invalid user john from 49.235.175.160 port 43524 ssh2Mar  5 17:12:39 rotator sshd\[12865\]: Invalid user tech from 49.235.175.160Mar  5 17:12:41 rotator sshd\[12865\]: Failed password for invalid user tech from 49.235.175.160 port 43318 ssh2Mar  5 17:17:36 rotator sshd\[13661\]: Invalid user odoo from 49.235.175.160Mar  5 17:17:39 rotator sshd\[13661\]: Failed password for invalid user odoo from 49.235.175.160 port 43112 ssh2
...
2020-03-06 03:53:42
162.243.58.222 attack
Feb 13 15:15:48 odroid64 sshd\[10601\]: Invalid user kadmin from 162.243.58.222
Feb 13 15:15:48 odroid64 sshd\[10601\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.58.222
...
2020-03-06 04:05:44
157.51.186.25 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-03-06 03:58:44
183.89.237.174 attackspambots
suspicious action Thu, 05 Mar 2020 10:32:20 -0300
2020-03-06 03:57:49
110.43.208.244 attack
Port 143 (IMAP) access denied
2020-03-06 04:06:40
196.11.81.74 attackbotsspam
Port probing on unauthorized port 23
2020-03-06 04:16:39
163.10.43.111 attackspambots
Feb 22 14:35:28 odroid64 sshd\[23214\]: Invalid user thomson from 163.10.43.111
Feb 22 14:35:28 odroid64 sshd\[23214\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.10.43.111
...
2020-03-06 03:46:37
109.228.196.183 attack
SIP/5060 Probe, BF, Hack -
2020-03-06 03:56:30
162.243.237.90 attack
Nov 20 05:57:08 odroid64 sshd\[7836\]: Invalid user hatsue from 162.243.237.90
Nov 20 05:57:08 odroid64 sshd\[7836\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.237.90
...
2020-03-06 04:17:31
162.244.78.193 attackbotsspam
Nov  7 14:28:19 odroid64 sshd\[9245\]: User root from 162.244.78.193 not allowed because not listed in AllowUsers
Nov  7 14:28:19 odroid64 sshd\[9245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.244.78.193  user=root
...
2020-03-06 03:56:14

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