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 <<>> 21.138.166.53
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40201
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.138.166.53.			IN	A

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

;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 20 00:45:01 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 53.166.138.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 53.166.138.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
162.243.136.126 attackbots
Port scan: Attack repeated for 24 hours
2020-05-27 03:35:45
185.53.88.36 attackspambots
05/26/2020-14:17:16.262439 185.53.88.36 Protocol: 17 ET SCAN Sipvicious Scan
2020-05-27 03:50:27
218.78.46.81 attackspam
May 26 18:58:40 h2779839 sshd[12674]: Invalid user diana from 218.78.46.81 port 41520
May 26 18:58:40 h2779839 sshd[12674]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.78.46.81
May 26 18:58:40 h2779839 sshd[12674]: Invalid user diana from 218.78.46.81 port 41520
May 26 18:58:43 h2779839 sshd[12674]: Failed password for invalid user diana from 218.78.46.81 port 41520 ssh2
May 26 19:02:26 h2779839 sshd[12800]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.78.46.81  user=root
May 26 19:02:28 h2779839 sshd[12800]: Failed password for root from 218.78.46.81 port 59816 ssh2
May 26 19:06:03 h2779839 sshd[12870]: Invalid user admin from 218.78.46.81 port 49884
May 26 19:06:03 h2779839 sshd[12870]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.78.46.81
May 26 19:06:03 h2779839 sshd[12870]: Invalid user admin from 218.78.46.81 port 49884
May 26 19:06:05 h277
...
2020-05-27 03:49:42
183.6.177.234 attackspam
Automatic report - Banned IP Access
2020-05-27 03:56:35
213.137.179.203 attack
May 26 10:20:03 server1 sshd\[18519\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.137.179.203  user=root
May 26 10:20:05 server1 sshd\[18519\]: Failed password for root from 213.137.179.203 port 20506 ssh2
May 26 10:24:03 server1 sshd\[19741\]: Invalid user tichi from 213.137.179.203
May 26 10:24:03 server1 sshd\[19741\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.137.179.203 
May 26 10:24:04 server1 sshd\[19741\]: Failed password for invalid user tichi from 213.137.179.203 port 34518 ssh2
...
2020-05-27 03:37:43
72.38.19.105 attackbots
Port probing on unauthorized port 23
2020-05-27 03:37:27
222.186.15.246 attack
May 26 22:04:24 plex sshd[28177]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.246  user=root
May 26 22:04:27 plex sshd[28177]: Failed password for root from 222.186.15.246 port 11905 ssh2
2020-05-27 04:07:01
123.13.203.67 attackspambots
Automatic report BANNED IP
2020-05-27 04:00:33
122.51.24.177 attackspambots
May 26 19:37:59 nas sshd[26291]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.24.177 
May 26 19:38:01 nas sshd[26291]: Failed password for invalid user rob from 122.51.24.177 port 54634 ssh2
May 26 19:41:53 nas sshd[28012]: Failed password for root from 122.51.24.177 port 43398 ssh2
...
2020-05-27 03:45:23
192.42.116.24 attackspambots
(sshd) Failed SSH login from 192.42.116.24 (NL/Netherlands/this-is-a-tor-exit-node-hviv124.hviv.nl): 5 in the last 3600 secs
2020-05-27 03:54:48
185.175.93.24 attackbotsspam
firewall-block, port(s): 5900/tcp, 5912/tcp, 5914/tcp, 5915/tcp
2020-05-27 04:02:00
51.68.230.124 attackbotsspam
(sshd) Failed SSH login from 51.68.230.124 (FR/France/124.ip-51-68-230.eu): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May 26 20:41:28 ubnt-55d23 sshd[4011]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.230.124  user=root
May 26 20:41:29 ubnt-55d23 sshd[4011]: Failed password for root from 51.68.230.124 port 57012 ssh2
2020-05-27 03:59:53
52.185.166.168 attackbotsspam
User authentication failed- attempting to login to web dim
2020-05-27 04:01:03
27.254.46.67 attackspam
Invalid user idea from 27.254.46.67 port 51715
2020-05-27 03:47:58
68.148.133.128 attack
$f2bV_matches
2020-05-27 03:33:50

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