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: Germany

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 <<>> 164.21.240.209
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50602
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;164.21.240.209.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025121400 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Dec 14 15:51:13 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 209.240.21.164.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 209.240.21.164.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
101.51.15.58 attack
trying to access non-authorized port
2020-07-01 13:58:19
87.236.215.38 attackbots
Invalid user masha from 87.236.215.38 port 52010
2020-07-01 14:04:48
114.34.25.52 attack
 TCP (SYN) 114.34.25.52:26532 -> port 81, len 40
2020-07-01 13:52:00
150.109.100.65 attack
2020-06-30T18:00:29.526654server.espacesoutien.com sshd[13264]: Invalid user princess from 150.109.100.65 port 42022
2020-06-30T18:00:29.542526server.espacesoutien.com sshd[13264]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.100.65
2020-06-30T18:00:29.526654server.espacesoutien.com sshd[13264]: Invalid user princess from 150.109.100.65 port 42022
2020-06-30T18:00:31.694162server.espacesoutien.com sshd[13264]: Failed password for invalid user princess from 150.109.100.65 port 42022 ssh2
...
2020-07-01 13:50:10
122.117.101.196 attackspam
 TCP (SYN) 122.117.101.196:5344 -> port 80, len 44
2020-07-01 13:50:29
180.76.153.46 attackspambots
Brute force attempt
2020-07-01 14:24:20
220.134.85.192 attackbotsspam
 TCP (SYN) 220.134.85.192:41001 -> port 23, len 44
2020-07-01 13:46:47
122.51.89.18 attackbots
Jun 30 13:07:41 master sshd[17884]: Failed password for invalid user postgres from 122.51.89.18 port 42572 ssh2
Jun 30 13:12:00 master sshd[17963]: Failed password for invalid user www from 122.51.89.18 port 58588 ssh2
2020-07-01 14:29:18
37.224.15.55 attackbotsspam
Unauthorized connection attempt from IP address 37.224.15.55 on Port 445(SMB)
2020-07-01 13:58:56
31.145.166.55 attack
Unauthorized connection attempt from IP address 31.145.166.55 on Port 445(SMB)
2020-07-01 13:59:17
192.241.223.249 attack
GPL SNMP public access udp - port: 161 proto: UDP cat: Attempted Information Leak
2020-07-01 13:44:56
42.115.115.238 attack
Port scan denied
2020-07-01 14:31:08
45.227.255.4 attack
SSH Bruteforce Attempt (failed auth)
2020-07-01 14:30:49
116.196.123.143 attack
Jun 30 13:49:20 raspberrypi sshd[30069]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.196.123.143 
Jun 30 13:49:22 raspberrypi sshd[30069]: Failed password for invalid user kafka from 116.196.123.143 port 38176 ssh2
Jun 30 13:53:23 raspberrypi sshd[30133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.196.123.143 
...
2020-07-01 14:04:02
123.24.97.74 attackspambots
Honeypot attack, port: 81, PTR: dynamic.vdc.vn.
2020-07-01 14:30:23

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