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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 206.11.53.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40843
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;206.11.53.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025030100 1800 900 604800 86400

;; Query time: 38 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 01 13:54:20 CST 2025
;; MSG SIZE  rcvd: 105
Host info
21.53.11.206.in-addr.arpa has no PTR record
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
*** Can't find 21.53.11.206.in-addr.arpa.: No answer

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
212.64.57.24 attackbotsspam
Feb 25 12:10:47 server sshd[1429476]: Failed password for invalid user chef from 212.64.57.24 port 40166 ssh2
Feb 25 12:21:36 server sshd[1431628]: Failed password for invalid user anne from 212.64.57.24 port 43567 ssh2
Feb 25 12:32:24 server sshd[1433664]: Failed password for invalid user msfuser from 212.64.57.24 port 46962 ssh2
2020-02-25 20:34:00
115.113.208.124 attackbots
Feb 25 17:24:37 gw1 sshd[16727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.113.208.124
Feb 25 17:24:39 gw1 sshd[16727]: Failed password for invalid user phpmy from 115.113.208.124 port 20587 ssh2
...
2020-02-25 20:27:01
51.83.19.172 attackbots
Invalid user matt from 51.83.19.172 port 58490
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.19.172
Failed password for invalid user matt from 51.83.19.172 port 58490 ssh2
Invalid user ttest from 51.83.19.172 port 44806
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.19.172
2020-02-25 20:53:27
216.218.206.97 attackspam
Feb 25 10:13:13 debian-2gb-nbg1-2 kernel: \[4881192.525448\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=216.218.206.97 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=54321 PROTO=TCP SPT=43581 DPT=11211 WINDOW=65535 RES=0x00 SYN URGP=0
2020-02-25 20:36:57
190.85.171.126 attack
2020-02-25T19:13:39.783484luisaranguren sshd[1120692]: Invalid user fredportela from 190.85.171.126 port 38460
2020-02-25T19:13:41.107174luisaranguren sshd[1120692]: Failed password for invalid user fredportela from 190.85.171.126 port 38460 ssh2
...
2020-02-25 20:34:31
200.45.147.129 attack
Feb 25 05:07:15 askasleikir sshd[42267]: Failed password for invalid user sammy from 200.45.147.129 port 5767 ssh2
2020-02-25 20:46:32
190.219.30.119 attack
Automatic report - Port Scan Attack
2020-02-25 20:36:05
185.156.73.65 attackbots
ET DROP Dshield Block Listed Source group 1 - port: 3486 proto: TCP cat: Misc Attack
2020-02-25 20:36:42
206.189.148.203 attackbotsspam
Feb 25 13:40:05 server sshd\[24041\]: Invalid user usuario from 206.189.148.203
Feb 25 13:40:05 server sshd\[24041\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.148.203 
Feb 25 13:40:07 server sshd\[24041\]: Failed password for invalid user usuario from 206.189.148.203 port 32966 ssh2
Feb 25 14:03:09 server sshd\[28492\]: Invalid user jira1 from 206.189.148.203
Feb 25 14:03:09 server sshd\[28492\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.148.203 
...
2020-02-25 20:41:30
213.32.22.239 attackspambots
Feb 25 09:36:32 firewall sshd[24924]: Invalid user vernemq from 213.32.22.239
Feb 25 09:36:34 firewall sshd[24924]: Failed password for invalid user vernemq from 213.32.22.239 port 42172 ssh2
Feb 25 09:45:44 firewall sshd[25047]: Invalid user newuser from 213.32.22.239
...
2020-02-25 20:51:43
68.183.178.162 attack
2020-02-25T13:35:46.806938centos sshd\[15113\]: Invalid user wftuser from 68.183.178.162 port 51140
2020-02-25T13:35:46.811720centos sshd\[15113\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.178.162
2020-02-25T13:35:48.839306centos sshd\[15113\]: Failed password for invalid user wftuser from 68.183.178.162 port 51140 ssh2
2020-02-25 20:51:09
162.243.136.126 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-25 20:39:36
45.133.99.2 attackbots
Feb 25 13:46:43 srv01 postfix/smtpd\[19473\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb 25 13:47:03 srv01 postfix/smtpd\[19473\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb 25 14:01:05 srv01 postfix/smtpd\[6581\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb 25 14:01:26 srv01 postfix/smtpd\[19473\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb 25 14:03:50 srv01 postfix/smtpd\[19473\]: warning: unknown\[45.133.99.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-02-25 21:03:56
192.241.213.126 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-25 20:52:17
104.37.47.7 bots
this URL continuously (CONTINUOUSLY) attempts to send TROJAN material on an INCOMING attack :-(
2020-02-25 20:35:45

Recently Reported IPs

136.21.185.7 124.112.103.139 128.40.39.228 232.78.124.75
199.149.212.170 101.18.64.235 174.95.238.123 4.70.13.191
145.194.249.242 245.23.36.134 5.94.90.156 208.39.217.176
226.135.5.124 129.181.52.232 34.0.157.78 230.239.28.39
43.72.0.47 128.190.147.244 88.120.93.178 99.24.255.162