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 <<>> 204.216.138.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45254
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;204.216.138.21.			IN	A

;; AUTHORITY SECTION:
.			158	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022011001 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Jan 11 03:57:06 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 21.138.216.204.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 21.138.216.204.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
138.68.106.62 attackspam
Apr 10 18:17:09 gw1 sshd[6877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.106.62
Apr 10 18:17:11 gw1 sshd[6877]: Failed password for invalid user deploy from 138.68.106.62 port 44900 ssh2
...
2020-04-10 22:44:11
188.254.0.170 attackbots
Apr 10 16:19:35 host5 sshd[31835]: Invalid user contact from 188.254.0.170 port 38564
...
2020-04-10 22:50:40
101.89.147.85 attackspambots
Triggered by Fail2Ban at Ares web server
2020-04-10 23:12:28
106.54.116.206 attackbots
Brute-force attempt banned
2020-04-10 22:54:27
178.254.34.128 attack
SSH/22 MH Probe, BF, Hack -
2020-04-10 23:05:00
111.67.206.4 attack
DATE:2020-04-10 14:09:55, IP:111.67.206.4, PORT:ssh SSH brute force auth (docker-dc)
2020-04-10 22:31:37
67.230.183.193 attack
Apr 10 13:58:23 v22018086721571380 sshd[3351]: Failed password for invalid user ftp1 from 67.230.183.193 port 22582 ssh2
Apr 10 14:09:27 v22018086721571380 sshd[5647]: Failed password for invalid user uftp from 67.230.183.193 port 1258 ssh2
2020-04-10 23:04:28
35.194.37.43 attackspambots
Apr 10 15:43:27 ns3164893 sshd[21019]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.194.37.43
Apr 10 15:43:29 ns3164893 sshd[21019]: Failed password for invalid user appltest from 35.194.37.43 port 55520 ssh2
...
2020-04-10 22:46:04
103.39.50.147 attack
Apr 10 14:09:44 [host] sshd[1951]: Invalid user ub
Apr 10 14:09:44 [host] sshd[1951]: pam_unix(sshd:a
Apr 10 14:09:46 [host] sshd[1951]: Failed password
2020-04-10 22:41:06
177.182.200.94 attackbots
Automatic report - Port Scan Attack
2020-04-10 22:32:40
123.31.12.172 attack
2020-04-10T12:02:40.232299abusebot-6.cloudsearch.cf sshd[10196]: Invalid user test from 123.31.12.172 port 48296
2020-04-10T12:02:40.239277abusebot-6.cloudsearch.cf sshd[10196]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.31.12.172
2020-04-10T12:02:40.232299abusebot-6.cloudsearch.cf sshd[10196]: Invalid user test from 123.31.12.172 port 48296
2020-04-10T12:02:42.974787abusebot-6.cloudsearch.cf sshd[10196]: Failed password for invalid user test from 123.31.12.172 port 48296 ssh2
2020-04-10T12:09:20.680743abusebot-6.cloudsearch.cf sshd[10650]: Invalid user centos from 123.31.12.172 port 54086
2020-04-10T12:09:20.688313abusebot-6.cloudsearch.cf sshd[10650]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.31.12.172
2020-04-10T12:09:20.680743abusebot-6.cloudsearch.cf sshd[10650]: Invalid user centos from 123.31.12.172 port 54086
2020-04-10T12:09:23.338267abusebot-6.cloudsearch.cf sshd[10650]: Failed 
...
2020-04-10 23:07:46
134.209.57.3 attack
$f2bV_matches
2020-04-10 22:54:03
117.50.107.175 attackspambots
(sshd) Failed SSH login from 117.50.107.175 (CN/China/-): 5 in the last 3600 secs
2020-04-10 22:49:03
102.182.64.63 attack
2020-04-10T15:54:53.711549struts4.enskede.local sshd\[16598\]: Invalid user user from 102.182.64.63 port 32970
2020-04-10T15:54:53.722841struts4.enskede.local sshd\[16598\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=102.182.64.63
2020-04-10T15:54:57.311586struts4.enskede.local sshd\[16598\]: Failed password for invalid user user from 102.182.64.63 port 32970 ssh2
2020-04-10T16:00:55.095069struts4.enskede.local sshd\[16791\]: Invalid user uftp from 102.182.64.63 port 52684
2020-04-10T16:00:55.105827struts4.enskede.local sshd\[16791\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=102.182.64.63
...
2020-04-10 22:57:28
139.170.150.253 attack
DATE:2020-04-10 14:09:54, IP:139.170.150.253, PORT:ssh SSH brute force auth (docker-dc)
2020-04-10 22:32:03

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