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 <<>> 21.0.138.3
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40621
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.0.138.3.			IN	A

;; AUTHORITY SECTION:
.			57	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022070200 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Jul 02 22:10:10 CST 2022
;; MSG SIZE  rcvd: 103
Host info
Host 3.138.0.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 3.138.0.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
91.121.211.34 attack
Aug 10 12:17:35 *** sshd[29024]: Invalid user gitlab from 91.121.211.34
2019-08-11 00:40:27
207.6.1.11 attack
Aug 10 16:34:08 h2177944 sshd\[13224\]: Failed password for root from 207.6.1.11 port 36777 ssh2
Aug 10 17:34:15 h2177944 sshd\[15420\]: Invalid user sh from 207.6.1.11 port 46241
Aug 10 17:34:15 h2177944 sshd\[15420\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.6.1.11
Aug 10 17:34:17 h2177944 sshd\[15420\]: Failed password for invalid user sh from 207.6.1.11 port 46241 ssh2
...
2019-08-11 00:06:38
186.193.7.98 attack
SPF Fail sender not permitted to send mail for @1919ic.com / Mail sent to address hacked/leaked from Last.fm
2019-08-11 00:36:12
2400:6180:100:d0::373:7001 attackspam
C1,DEF GET /wp-login.php
2019-08-11 00:50:53
60.172.5.156 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-08-11 00:17:59
104.236.124.249 attackbots
Aug 10 10:00:35 vps200512 sshd\[16584\]: Invalid user kkk from 104.236.124.249
Aug 10 10:00:35 vps200512 sshd\[16584\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.124.249
Aug 10 10:00:37 vps200512 sshd\[16584\]: Failed password for invalid user kkk from 104.236.124.249 port 50920 ssh2
Aug 10 10:04:55 vps200512 sshd\[16669\]: Invalid user kp from 104.236.124.249
Aug 10 10:04:55 vps200512 sshd\[16669\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.124.249
2019-08-11 00:06:03
103.221.222.251 attack
Automatic report - Banned IP Access
2019-08-11 00:09:32
206.189.232.45 attackbots
Aug 10 16:28:49 mail sshd\[9879\]: Failed password for invalid user wedding from 206.189.232.45 port 46726 ssh2
Aug 10 16:44:40 mail sshd\[10068\]: Invalid user dante from 206.189.232.45 port 47076
Aug 10 16:44:40 mail sshd\[10068\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.232.45
...
2019-08-10 23:56:53
2603:1026:c03:480e::5 attack
failed_logins
2019-08-11 00:41:31
138.59.218.118 attackbotsspam
Aug 10 16:50:43 hosting sshd[25200]: Invalid user nagios from 138.59.218.118 port 43382
...
2019-08-11 00:15:19
212.129.1.251 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-08-11 00:51:15
139.59.74.143 attackbots
Mar  5 19:50:42 motanud sshd\[21173\]: Invalid user hadoop from 139.59.74.143 port 41386
Mar  5 19:50:42 motanud sshd\[21173\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.74.143
Mar  5 19:50:44 motanud sshd\[21173\]: Failed password for invalid user hadoop from 139.59.74.143 port 41386 ssh2
2019-08-11 00:27:22
92.118.160.37 attack
1565450561 - 08/10/2019 17:22:41 Host: 92.118.160.37.netsystemsresearch.com/92.118.160.37 Port: 5351 UDP Blocked
2019-08-11 00:57:35
51.68.90.167 attackbots
Aug 10 22:14:02 vibhu-HP-Z238-Microtower-Workstation sshd\[29576\]: Invalid user myftp from 51.68.90.167
Aug 10 22:14:02 vibhu-HP-Z238-Microtower-Workstation sshd\[29576\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.90.167
Aug 10 22:14:04 vibhu-HP-Z238-Microtower-Workstation sshd\[29576\]: Failed password for invalid user myftp from 51.68.90.167 port 50062 ssh2
Aug 10 22:18:07 vibhu-HP-Z238-Microtower-Workstation sshd\[29702\]: Invalid user ronjones from 51.68.90.167
Aug 10 22:18:07 vibhu-HP-Z238-Microtower-Workstation sshd\[29702\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.90.167
...
2019-08-11 00:50:29
165.227.159.16 attack
Aug 10 17:57:27 ks10 sshd[32509]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.159.16 
Aug 10 17:57:29 ks10 sshd[32509]: Failed password for invalid user fawad from 165.227.159.16 port 36260 ssh2
...
2019-08-11 00:32:38

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