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 of America (the)

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 <<>> 21.231.72.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22475
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.231.72.66.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021900 1800 900 604800 86400

;; Query time: 36 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 19 22:16:07 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 66.72.231.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.72.231.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.40.235.215 attackbots
Jan 31 19:11:43 auw2 sshd\[24972\]: Invalid user ark from 103.40.235.215
Jan 31 19:11:43 auw2 sshd\[24972\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.40.235.215
Jan 31 19:11:46 auw2 sshd\[24972\]: Failed password for invalid user ark from 103.40.235.215 port 50634 ssh2
Jan 31 19:15:54 auw2 sshd\[25908\]: Invalid user teamspeak from 103.40.235.215
Jan 31 19:15:54 auw2 sshd\[25908\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.40.235.215
2020-02-01 13:18:24
157.230.113.218 attack
$f2bV_matches
2020-02-01 10:40:16
46.148.205.2 attack
Jan 31 22:18:33 Invalid user upload from 46.148.205.2 port 60829
2020-02-01 11:00:40
37.146.182.38 attack
Unauthorized connection attempt from IP address 37.146.182.38 on Port 445(SMB)
2020-02-01 10:50:51
2.193.2.254 attack
Feb  1 05:58:47 sxvn sshd[1223892]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.193.2.254
2020-02-01 13:02:04
94.25.177.240 attack
Unauthorized connection attempt from IP address 94.25.177.240 on Port 445(SMB)
2020-02-01 11:03:38
132.232.108.149 attackbotsspam
Unauthorized connection attempt detected from IP address 132.232.108.149 to port 2220 [J]
2020-02-01 10:52:44
124.205.224.179 attack
Feb  1 05:58:44 lnxmysql61 sshd[8380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.205.224.179
Feb  1 05:58:44 lnxmysql61 sshd[8380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.205.224.179
2020-02-01 13:05:34
109.94.179.49 attackspambots
Unauthorized connection attempt detected from IP address 109.94.179.49 to port 139
2020-02-01 10:41:25
122.15.65.204 attackspam
Feb  1 05:50:49 dedicated sshd[23566]: Failed password for invalid user mc from 122.15.65.204 port 37588 ssh2
Feb  1 05:50:47 dedicated sshd[23566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.15.65.204 
Feb  1 05:50:47 dedicated sshd[23566]: Invalid user mc from 122.15.65.204 port 37588
Feb  1 05:50:49 dedicated sshd[23566]: Failed password for invalid user mc from 122.15.65.204 port 37588 ssh2
Feb  1 05:58:30 dedicated sshd[25103]: Invalid user postgres from 122.15.65.204 port 58048
2020-02-01 13:17:59
119.254.12.66 attack
Feb  1 06:06:25 vmd17057 sshd\[18438\]: Invalid user test4 from 119.254.12.66 port 53950
Feb  1 06:06:25 vmd17057 sshd\[18438\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.254.12.66
Feb  1 06:06:27 vmd17057 sshd\[18438\]: Failed password for invalid user test4 from 119.254.12.66 port 53950 ssh2
...
2020-02-01 13:16:21
187.3.248.130 attackspambots
Automatic report - SSH Brute-Force Attack
2020-02-01 11:01:59
200.11.140.62 attack
Unauthorized connection attempt from IP address 200.11.140.62 on Port 445(SMB)
2020-02-01 10:43:42
118.68.118.168 attack
1580512626 - 02/01/2020 00:17:06 Host: 118.68.118.168/118.68.118.168 Port: 445 TCP Blocked
2020-02-01 10:41:01
110.49.6.226 attackspambots
Automatic report - SSH Brute-Force Attack
2020-02-01 13:16:53

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