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 <<>> 138.120.171.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22060
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.120.171.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 06 00:56:01 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 21.171.120.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.171.120.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
39.100.133.235 attackbotsspam
Feb 17 06:56:32 lukav-desktop sshd\[17231\]: Invalid user admin from 39.100.133.235
Feb 17 06:56:32 lukav-desktop sshd\[17231\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.100.133.235
Feb 17 06:56:34 lukav-desktop sshd\[17231\]: Failed password for invalid user admin from 39.100.133.235 port 57256 ssh2
Feb 17 06:59:36 lukav-desktop sshd\[18990\]: Invalid user ubuntu from 39.100.133.235
Feb 17 06:59:36 lukav-desktop sshd\[18990\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.100.133.235
2020-02-17 13:27:42
213.180.142.215 attack
SSH login attempts.
2020-02-17 13:45:17
114.67.75.37 attackbotsspam
Feb 17 05:59:20  sshd\[20134\]: Invalid user hong from 114.67.75.37Feb 17 05:59:22  sshd\[20134\]: Failed password for invalid user hong from 114.67.75.37 port 48488 ssh2
...
2020-02-17 13:54:17
124.207.221.66 attackbots
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.207.221.66
Failed password for invalid user informax from 124.207.221.66 port 51348 ssh2
Invalid user sandy from 124.207.221.66 port 48632
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.207.221.66
Failed password for invalid user sandy from 124.207.221.66 port 48632 ssh2
2020-02-17 13:16:45
85.209.3.200 attack
RDP Bruteforce
2020-02-17 13:15:33
182.186.120.159 attack
1581915578 - 02/17/2020 05:59:38 Host: 182.186.120.159/182.186.120.159 Port: 445 TCP Blocked
2020-02-17 13:24:29
91.185.193.101 attackspambots
$f2bV_matches
2020-02-17 13:35:15
14.207.22.248 attackbotsspam
Automatic report - Port Scan Attack
2020-02-17 13:29:33
207.69.189.229 attackbots
SSH login attempts.
2020-02-17 13:28:03
123.58.177.49 attackbotsspam
SSH login attempts.
2020-02-17 13:10:54
196.219.180.138 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-17 13:43:24
117.193.36.98 attack
20/2/16@23:59:41: FAIL: Alarm-Network address from=117.193.36.98
20/2/16@23:59:41: FAIL: Alarm-Network address from=117.193.36.98
...
2020-02-17 13:18:59
177.23.168.8 attackspam
port scan and connect, tcp 23 (telnet)
2020-02-17 13:49:23
196.219.178.47 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-17 13:47:47
52.66.155.150 attack
Feb 17 06:09:35 srv-ubuntu-dev3 sshd[98418]: Invalid user webadmin from 52.66.155.150
Feb 17 06:09:35 srv-ubuntu-dev3 sshd[98418]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.66.155.150
Feb 17 06:09:35 srv-ubuntu-dev3 sshd[98418]: Invalid user webadmin from 52.66.155.150
Feb 17 06:09:37 srv-ubuntu-dev3 sshd[98418]: Failed password for invalid user webadmin from 52.66.155.150 port 43542 ssh2
Feb 17 06:12:52 srv-ubuntu-dev3 sshd[98688]: Invalid user ubuntu from 52.66.155.150
Feb 17 06:12:52 srv-ubuntu-dev3 sshd[98688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.66.155.150
Feb 17 06:12:52 srv-ubuntu-dev3 sshd[98688]: Invalid user ubuntu from 52.66.155.150
Feb 17 06:12:54 srv-ubuntu-dev3 sshd[98688]: Failed password for invalid user ubuntu from 52.66.155.150 port 45570 ssh2
Feb 17 06:16:09 srv-ubuntu-dev3 sshd[98944]: Invalid user openerp from 52.66.155.150
...
2020-02-17 13:38:03

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