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 <<>> 12.138.204.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2886
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;12.138.204.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021301 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 14 05:39:59 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.204.138.12.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.204.138.12.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.52.52.22 attackbotsspam
Jan  1 17:24:22 server sshd\[21586\]: Invalid user sofia from 103.52.52.22
Jan  1 17:24:22 server sshd\[21586\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.52.52.22 
Jan  1 17:24:24 server sshd\[21586\]: Failed password for invalid user sofia from 103.52.52.22 port 45367 ssh2
Jan  1 17:43:16 server sshd\[25104\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.52.52.22  user=root
Jan  1 17:43:17 server sshd\[25104\]: Failed password for root from 103.52.52.22 port 42150 ssh2
...
2020-01-02 05:21:51
122.51.170.121 attackspam
Invalid user kessell from 122.51.170.121 port 34295
2020-01-02 05:31:31
189.112.38.54 attackbotsspam
Attempts against SMTP/SSMTP
2020-01-02 05:36:13
95.249.180.196 attackbots
Lines containing failures of 95.249.180.196
Jan  1 14:56:08 shared10 sshd[26274]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.249.180.196  user=mysql
Jan  1 14:56:11 shared10 sshd[26274]: Failed password for mysql from 95.249.180.196 port 34826 ssh2
Jan  1 14:56:11 shared10 sshd[26274]: Received disconnect from 95.249.180.196 port 34826:11: Bye Bye [preauth]
Jan  1 14:56:11 shared10 sshd[26274]: Disconnected from authenticating user mysql 95.249.180.196 port 34826 [preauth]
Jan  1 15:15:26 shared10 sshd[671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.249.180.196  user=r.r
Jan  1 15:15:29 shared10 sshd[671]: Failed password for r.r from 95.249.180.196 port 54356 ssh2
Jan  1 15:15:29 shared10 sshd[671]: Received disconnect from 95.249.180.196 port 54356:11: Bye Bye [preauth]
Jan  1 15:15:29 shared10 sshd[671]: Disconnected from authenticating user r.r 95.249.180.196 port 54356 [........
------------------------------
2020-01-02 05:48:57
213.59.144.39 attackspambots
Jan  1 22:22:55 icinga sshd[16653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.59.144.39
Jan  1 22:22:57 icinga sshd[16653]: Failed password for invalid user guest from 213.59.144.39 port 39592 ssh2
...
2020-01-02 05:29:28
122.3.93.166 attackbotsspam
1577889725 - 01/01/2020 15:42:05 Host: 122.3.93.166/122.3.93.166 Port: 445 TCP Blocked
2020-01-02 05:50:40
124.205.34.199 attackspam
firewall-block, port(s): 1433/tcp
2020-01-02 05:26:52
5.188.206.138 attack
RDP brute forcing (r)
2020-01-02 05:20:45
190.129.47.148 attackbots
Invalid user waitman from 190.129.47.148 port 48893
2020-01-02 05:53:43
189.79.64.174 attackspambots
Jan  1 13:43:29 nbi-636 sshd[31556]: Invalid user burlon from 189.79.64.174 port 52342
Jan  1 13:43:31 nbi-636 sshd[31556]: Failed password for invalid user burlon from 189.79.64.174 port 52342 ssh2
Jan  1 13:43:31 nbi-636 sshd[31556]: Received disconnect from 189.79.64.174 port 52342:11: Bye Bye [preauth]
Jan  1 13:43:31 nbi-636 sshd[31556]: Disconnected from 189.79.64.174 port 52342 [preauth]
Jan  1 13:46:40 nbi-636 sshd[32298]: Invalid user newell from 189.79.64.174 port 52882
Jan  1 13:46:42 nbi-636 sshd[32298]: Failed password for invalid user newell from 189.79.64.174 port 52882 ssh2
Jan  1 13:46:42 nbi-636 sshd[32298]: Received disconnect from 189.79.64.174 port 52882:11: Bye Bye [preauth]
Jan  1 13:46:42 nbi-636 sshd[32298]: Disconnected from 189.79.64.174 port 52882 [preauth]
Jan  1 13:49:55 nbi-636 sshd[412]: Invalid user escalante from 189.79.64.174 port 53232
Jan  1 13:49:57 nbi-636 sshd[412]: Failed password for invalid user escalante from 189.79.64.174 por........
-------------------------------
2020-01-02 05:45:14
45.224.105.39 attack
(imapd) Failed IMAP login from 45.224.105.39 (AR/Argentina/-): 1 in the last 3600 secs
2020-01-02 05:20:31
43.247.40.254 attackspambots
firewall-block, port(s): 2332/tcp
2020-01-02 05:28:16
106.13.181.170 attackbotsspam
Repeated brute force against a port
2020-01-02 05:31:44
94.191.57.62 attackspam
$f2bV_matches
2020-01-02 05:48:26
199.195.252.213 attackspam
Jan  1 16:04:23 localhost sshd\[4202\]: Invalid user rt from 199.195.252.213 port 39886
Jan  1 16:04:23 localhost sshd\[4202\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.195.252.213
Jan  1 16:04:25 localhost sshd\[4202\]: Failed password for invalid user rt from 199.195.252.213 port 39886 ssh2
2020-01-02 05:22:49

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