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 <<>> 21.137.164.211
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18947
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.137.164.211.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022800 1800 900 604800 86400

;; Query time: 33 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 28 21:40:52 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 211.164.137.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 211.164.137.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
121.135.205.200 attackspambots
srv.marc-hoffrichter.de:80 121.135.205.200 - - [31/Mar/2020:23:29:01 +0200] "GET / HTTP/1.0" 400 0 "-" "-"
2020-04-01 08:54:31
201.119.173.7 attack
Port probing on unauthorized port 8081
2020-04-01 08:43:39
110.43.42.244 attack
Brute force SMTP login attempted.
...
2020-04-01 08:39:37
110.35.173.2 attack
Brute force SMTP login attempted.
...
2020-04-01 08:49:47
120.131.12.247 attackbots
Invalid user wilmott from 120.131.12.247 port 38896
2020-04-01 08:58:21
110.42.66.110 attackspambots
Brute force SMTP login attempted.
...
2020-04-01 08:42:58
69.244.198.97 attackbotsspam
2020-03-31T21:10:23.221538ionos.janbro.de sshd[25300]: Failed password for root from 69.244.198.97 port 33826 ssh2
2020-03-31T21:14:01.979241ionos.janbro.de sshd[25321]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.244.198.97  user=root
2020-03-31T21:14:03.684808ionos.janbro.de sshd[25321]: Failed password for root from 69.244.198.97 port 45648 ssh2
2020-03-31T21:17:48.072777ionos.janbro.de sshd[25331]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.244.198.97  user=root
2020-03-31T21:17:49.934048ionos.janbro.de sshd[25331]: Failed password for root from 69.244.198.97 port 57472 ssh2
2020-03-31T21:21:38.100513ionos.janbro.de sshd[25341]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.244.198.97  user=root
2020-03-31T21:21:40.554512ionos.janbro.de sshd[25341]: Failed password for root from 69.244.198.97 port 40944 ssh2
2020-03-31T21:25:29.662859ionos.janb
...
2020-04-01 08:33:06
134.209.250.204 attack
(sshd) Failed SSH login from 134.209.250.204 (DE/Germany/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr  1 01:39:07 srv sshd[6554]: Invalid user kd from 134.209.250.204 port 38286
Apr  1 01:39:10 srv sshd[6554]: Failed password for invalid user kd from 134.209.250.204 port 38286 ssh2
Apr  1 01:50:47 srv sshd[6850]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.250.204  user=root
Apr  1 01:50:49 srv sshd[6850]: Failed password for root from 134.209.250.204 port 42970 ssh2
Apr  1 01:54:17 srv sshd[6931]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.250.204  user=root
2020-04-01 08:32:03
104.178.162.203 attackspambots
SSH login attempts brute force.
2020-04-01 08:29:12
110.44.124.174 attackbotsspam
Brute force SMTP login attempted.
...
2020-04-01 08:38:41
110.232.66.170 attack
Brute force SMTP login attempted.
...
2020-04-01 08:54:59
110.5.39.201 attackspambots
Brute force SMTP login attempted.
...
2020-04-01 08:31:22
49.235.81.23 attackbots
Mar 31 23:08:10 ip-172-31-62-245 sshd\[1797\]: Failed password for root from 49.235.81.23 port 55324 ssh2\
Mar 31 23:12:14 ip-172-31-62-245 sshd\[1897\]: Invalid user admin from 49.235.81.23\
Mar 31 23:12:15 ip-172-31-62-245 sshd\[1897\]: Failed password for invalid user admin from 49.235.81.23 port 43450 ssh2\
Mar 31 23:16:17 ip-172-31-62-245 sshd\[1919\]: Invalid user ld from 49.235.81.23\
Mar 31 23:16:18 ip-172-31-62-245 sshd\[1919\]: Failed password for invalid user ld from 49.235.81.23 port 59832 ssh2\
2020-04-01 08:30:51
110.228.100.89 attackbots
Brute force SMTP login attempted.
...
2020-04-01 08:58:53
77.42.95.130 attackbots
Automatic report - Port Scan Attack
2020-04-01 08:43:22

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