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: Japan

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 <<>> 138.243.21.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52851
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.243.21.16.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020600 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 06 22:59:54 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 16.21.243.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 16.21.243.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
122.224.217.45 attackspambots
SSH/22 MH Probe, BF, Hack -
2020-02-15 03:17:19
219.141.152.242 attack
Port probing on unauthorized port 445
2020-02-15 03:16:36
184.105.139.120 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-15 03:11:46
8.2.141.100 attackbots
Autoban   8.2.141.100 VIRUS
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178.167.196.9 attack
Automatic report - Port Scan Attack
2020-02-15 02:45:13
106.52.16.54 attack
Automatic report - SSH Brute-Force Attack
2020-02-15 02:42:32
203.113.25.6 attackbots
Feb 14 19:17:28 163-172-32-151 sshd[7133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.113.25.6  user=root
Feb 14 19:17:30 163-172-32-151 sshd[7133]: Failed password for root from 203.113.25.6 port 45134 ssh2
...
2020-02-15 02:37:38
14.177.232.173 attackspam
02/14/2020-08:47:23.642734 14.177.232.173 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-02-15 03:01:40
162.223.81.214 attackspam
tcp 445 smb
2020-02-15 02:54:03
184.105.139.72 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-15 02:58:47
184.105.139.125 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-15 03:07:24
113.190.210.247 attackspam
Feb 14 14:47:22 ns382633 sshd\[12059\]: Invalid user pi from 113.190.210.247 port 54858
Feb 14 14:47:23 ns382633 sshd\[12059\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.190.210.247
Feb 14 14:47:23 ns382633 sshd\[12060\]: Invalid user pi from 113.190.210.247 port 54860
Feb 14 14:47:23 ns382633 sshd\[12060\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.190.210.247
Feb 14 14:47:25 ns382633 sshd\[12059\]: Failed password for invalid user pi from 113.190.210.247 port 54858 ssh2
Feb 14 14:47:25 ns382633 sshd\[12060\]: Failed password for invalid user pi from 113.190.210.247 port 54860 ssh2
2020-02-15 02:58:32
181.199.153.173 attack
$f2bV_matches
2020-02-15 02:49:59
157.230.113.218 attackspam
(sshd) Failed SSH login from 157.230.113.218 (DE/Germany/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Feb 14 14:39:10 elude sshd[24494]: Invalid user fnjenga from 157.230.113.218 port 34350
Feb 14 14:39:11 elude sshd[24494]: Failed password for invalid user fnjenga from 157.230.113.218 port 34350 ssh2
Feb 14 14:44:22 elude sshd[24834]: Invalid user myftp from 157.230.113.218 port 47002
Feb 14 14:44:25 elude sshd[24834]: Failed password for invalid user myftp from 157.230.113.218 port 47002 ssh2
Feb 14 14:46:59 elude sshd[25009]: Invalid user mmonsegur from 157.230.113.218 port 47428
2020-02-15 03:13:11
179.24.17.54 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-15 03:15:09

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