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 <<>> 16.120.138.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29555
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;16.120.138.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012501 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 26 07:44:06 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.138.120.16.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.138.120.16.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.234.23.248 attackbots
Jun  1 06:06:43 server1 sshd\[23552\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.23.248  user=root
Jun  1 06:06:45 server1 sshd\[23552\]: Failed password for root from 49.234.23.248 port 44374 ssh2
Jun  1 06:08:15 server1 sshd\[23964\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.23.248  user=root
Jun  1 06:08:18 server1 sshd\[23964\]: Failed password for root from 49.234.23.248 port 36202 ssh2
Jun  1 06:09:56 server1 sshd\[24461\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.23.248  user=root
...
2020-06-01 20:23:25
203.147.80.102 attackspam
Dovecot Invalid User Login Attempt.
2020-06-01 20:24:17
106.12.100.73 attackspambots
Jun  1 09:41:22 *** sshd[15636]: User root from 106.12.100.73 not allowed because not listed in AllowUsers
2020-06-01 19:47:28
113.23.116.114 attackspam
Unauthorized connection attempt from IP address 113.23.116.114 on Port 445(SMB)
2020-06-01 20:10:27
114.35.79.94 attackspambots
Attempted connection to port 23.
2020-06-01 20:03:55
36.235.213.251 attackspambots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-06-01 19:52:58
213.160.181.10 attackspambots
"SSH brute force auth login attempt."
2020-06-01 20:21:01
195.12.137.210 attack
Jun  1 14:06:26 xeon sshd[16044]: Failed password for root from 195.12.137.210 port 47242 ssh2
2020-06-01 20:19:13
201.149.20.162 attackspam
Jun  1 10:31:57 amit sshd\[13462\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.149.20.162  user=root
Jun  1 10:31:59 amit sshd\[13462\]: Failed password for root from 201.149.20.162 port 50868 ssh2
Jun  1 10:35:33 amit sshd\[3163\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.149.20.162  user=root
...
2020-06-01 20:04:42
180.183.159.194 attackbotsspam
Unauthorized connection attempt from IP address 180.183.159.194 on Port 445(SMB)
2020-06-01 20:07:35
106.53.9.137 attackbots
Jun  1 00:31:26 h2034429 sshd[19070]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.9.137  user=r.r
Jun  1 00:31:28 h2034429 sshd[19070]: Failed password for r.r from 106.53.9.137 port 56362 ssh2
Jun  1 00:31:28 h2034429 sshd[19070]: Received disconnect from 106.53.9.137 port 56362:11: Bye Bye [preauth]
Jun  1 00:31:28 h2034429 sshd[19070]: Disconnected from 106.53.9.137 port 56362 [preauth]
Jun  1 00:35:01 h2034429 sshd[19148]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.9.137  user=r.r
Jun  1 00:35:03 h2034429 sshd[19148]: Failed password for r.r from 106.53.9.137 port 46188 ssh2
Jun  1 00:35:03 h2034429 sshd[19148]: Received disconnect from 106.53.9.137 port 46188:11: Bye Bye [preauth]
Jun  1 00:35:03 h2034429 sshd[19148]: Disconnected from 106.53.9.137 port 46188 [preauth]
Jun  1 00:37:31 h2034429 sshd[19207]: pam_unix(sshd:auth): authentication failure; logname= uid=........
-------------------------------
2020-06-01 20:06:17
60.50.141.76 attackspambots
Automatic report - Port Scan Attack
2020-06-01 19:50:42
106.13.41.93 attack
SSH invalid-user multiple login try
2020-06-01 20:20:16
220.132.4.170 attackbotsspam
 TCP (SYN) 220.132.4.170:20997 -> port 23, len 40
2020-06-01 19:54:14
203.40.18.234 attackbots
fail2ban
2020-06-01 20:12:41

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