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: unknown

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.201.66.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40323
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.201.66.21.			IN	A

;; AUTHORITY SECTION:
.			429	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022030803 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Mar 09 07:39:22 CST 2022
;; MSG SIZE  rcvd: 106
Host info
21.66.201.138.in-addr.arpa domain name pointer static.21.66.201.138.clients.your-server.de.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
21.66.201.138.in-addr.arpa	name = static.21.66.201.138.clients.your-server.de.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
222.186.180.41 attackbotsspam
2020-02-17T19:31:11.932440shield sshd\[14830\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.41  user=root
2020-02-17T19:31:13.339074shield sshd\[14830\]: Failed password for root from 222.186.180.41 port 19000 ssh2
2020-02-17T19:31:16.385493shield sshd\[14830\]: Failed password for root from 222.186.180.41 port 19000 ssh2
2020-02-17T19:31:19.518854shield sshd\[14830\]: Failed password for root from 222.186.180.41 port 19000 ssh2
2020-02-17T19:31:22.395582shield sshd\[14830\]: Failed password for root from 222.186.180.41 port 19000 ssh2
2020-02-18 03:40:13
213.248.190.75 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-18 03:38:59
37.187.117.187 attackspam
Feb 17 19:55:17 pornomens sshd\[24520\]: Invalid user debian from 37.187.117.187 port 44056
Feb 17 19:55:17 pornomens sshd\[24520\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.117.187
Feb 17 19:55:20 pornomens sshd\[24520\]: Failed password for invalid user debian from 37.187.117.187 port 44056 ssh2
...
2020-02-18 03:11:41
109.167.231.99 attackbots
Feb 17 16:05:13 legacy sshd[7275]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.167.231.99
Feb 17 16:05:15 legacy sshd[7275]: Failed password for invalid user contact from 109.167.231.99 port 58360 ssh2
Feb 17 16:08:25 legacy sshd[7439]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.167.231.99
...
2020-02-18 03:39:26
176.235.242.106 attackspam
Automatic report - Port Scan Attack
2020-02-18 03:22:45
82.81.50.220 attack
$f2bV_matches
2020-02-18 03:44:17
213.254.134.156 attackspam
firewall-block, port(s): 23/tcp
2020-02-18 03:12:51
213.254.134.84 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-18 03:10:03
111.250.27.205 attack
SMB Server BruteForce Attack
2020-02-18 03:34:12
183.129.141.30 attack
(sshd) Failed SSH login from 183.129.141.30 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Feb 17 19:21:59 elude sshd[8079]: Invalid user jayant from 183.129.141.30 port 52124
Feb 17 19:22:00 elude sshd[8079]: Failed password for invalid user jayant from 183.129.141.30 port 52124 ssh2
Feb 17 19:31:47 elude sshd[8611]: Invalid user amdsa from 183.129.141.30 port 50126
Feb 17 19:31:49 elude sshd[8611]: Failed password for invalid user amdsa from 183.129.141.30 port 50126 ssh2
Feb 17 19:34:47 elude sshd[8817]: Invalid user celery from 183.129.141.30 port 48420
2020-02-18 03:13:06
222.186.15.166 attackspambots
$f2bV_matches
2020-02-18 03:38:25
112.171.26.47 attackspambots
detected by Fail2Ban
2020-02-18 03:05:51
128.199.125.95 attackbotsspam
Feb 17 16:40:22 lnxweb62 sshd[12639]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.125.95
2020-02-18 03:44:48
61.19.22.217 attack
Feb 17 19:42:44 MK-Soft-VM8 sshd[22869]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.19.22.217 
Feb 17 19:42:46 MK-Soft-VM8 sshd[22869]: Failed password for invalid user eugen from 61.19.22.217 port 49976 ssh2
...
2020-02-18 03:26:31
51.77.140.111 attackbotsspam
Feb 17 17:41:21 XXX sshd[42487]: Invalid user public from 51.77.140.111 port 47568
2020-02-18 03:41:44

Recently Reported IPs

138.201.66.185 138.201.66.28 138.201.66.38 138.201.69.56
138.201.69.72 138.201.69.48 138.201.7.151 138.201.7.156
138.201.70.114 138.201.70.134 118.175.228.138 138.201.71.230
138.201.72.117 138.201.72.41 118.175.228.143 138.201.74.212
138.201.75.179 138.201.72.169 138.201.77.97 138.201.74.20