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

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 <<>> 21.29.253.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60436
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.29.253.66.			IN	A

;; AUTHORITY SECTION:
.			275	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022011002 1800 900 604800 86400

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Jan 11 06:43:11 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.253.29.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.253.29.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.75.126.28 attack
2019-06-25T03:30:31.212658game.arvenenaske.de sshd[110054]: Invalid user service from 51.75.126.28 port 33264
2019-06-25T03:30:31.215593game.arvenenaske.de sshd[110054]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.126.28 user=service
2019-06-25T03:30:31.216154game.arvenenaske.de sshd[110054]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.126.28
2019-06-25T03:30:31.212658game.arvenenaske.de sshd[110054]: Invalid user service from 51.75.126.28 port 33264
2019-06-25T03:30:32.550888game.arvenenaske.de sshd[110054]: Failed password for invalid user service from 51.75.126.28 port 33264 ssh2
2019-06-25T03:33:11.476555game.arvenenaske.de sshd[110060]: Invalid user kris from 51.75.126.28 port 56972
2019-06-25T03:33:11.480646game.arvenenaske.de sshd[110060]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.126.28 user=kris
2019-06-25T03:33:11........
------------------------------
2019-06-29 07:35:42
140.129.1.237 attack
Jun 28 23:26:58 thevastnessof sshd[15490]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.129.1.237
...
2019-06-29 07:40:10
188.166.226.209 attackbots
Jun 28 23:46:56 animalibera sshd[20651]: Invalid user xgridcontroller from 188.166.226.209 port 59618
...
2019-06-29 07:56:26
187.199.51.117 attack
Unauthorized connection attempt from IP address 187.199.51.117 on Port 445(SMB)
2019-06-29 07:28:19
165.227.209.96 attack
Jun 29 01:24:53 Ubuntu-1404-trusty-64-minimal sshd\[2129\]: Invalid user deluge from 165.227.209.96
Jun 29 01:24:53 Ubuntu-1404-trusty-64-minimal sshd\[2129\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.209.96
Jun 29 01:24:55 Ubuntu-1404-trusty-64-minimal sshd\[2129\]: Failed password for invalid user deluge from 165.227.209.96 port 52798 ssh2
Jun 29 01:27:13 Ubuntu-1404-trusty-64-minimal sshd\[3518\]: Invalid user sshvpn from 165.227.209.96
Jun 29 01:27:13 Ubuntu-1404-trusty-64-minimal sshd\[3518\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.209.96
2019-06-29 07:32:48
181.211.244.253 attackspambots
Unauthorized connection attempt from IP address 181.211.244.253 on Port 445(SMB)
2019-06-29 07:28:50
103.205.5.34 attackbots
Jun 26 01:11:05 HOSTNAME sshd[1384]: User r.r from 103.205.5.34 not allowed because not listed in AllowUsers
Jun 26 01:11:05 HOSTNAME sshd[1384]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.205.5.34  user=r.r


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=103.205.5.34
2019-06-29 07:52:20
58.215.121.36 attackspambots
Jun 25 01:25:00 carla sshd[29480]: Invalid user jacques from 58.215.121.36
Jun 25 01:25:00 carla sshd[29480]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.215.121.36 
Jun 25 01:25:02 carla sshd[29480]: Failed password for invalid user jacques from 58.215.121.36 port 50151 ssh2
Jun 25 01:25:03 carla sshd[29481]: Received disconnect from 58.215.121.36: 11: Bye Bye
Jun 25 01:28:40 carla sshd[29496]: Invalid user pnjeri from 58.215.121.36
Jun 25 01:28:40 carla sshd[29496]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.215.121.36 
Jun 25 01:28:42 carla sshd[29496]: Failed password for invalid user pnjeri from 58.215.121.36 port 5986 ssh2
Jun 25 01:28:42 carla sshd[29497]: Received disconnect from 58.215.121.36: 11: Bye Bye


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=58.215.121.36
2019-06-29 07:32:00
104.248.56.37 attackbots
Jun 28 22:31:13 ns41 sshd[31395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.56.37
Jun 28 22:31:13 ns41 sshd[31395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.56.37
2019-06-29 07:23:42
189.1.162.154 attackbots
Jun 29 01:23:09 server sshd[31762]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.1.162.154
...
2019-06-29 07:26:50
41.221.198.117 attack
BadRequests
2019-06-29 07:15:56
185.244.25.106 attackbots
Portscan or hack attempt detected by psad/fwsnort
2019-06-29 07:17:04
81.22.45.25 attackbotsspam
Port scan
2019-06-29 07:35:11
193.169.252.140 attackspam
Jun 29 00:26:46 mail postfix/smtpd\[29122\]: warning: unknown\[193.169.252.140\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jun 29 00:42:19 mail postfix/smtpd\[29857\]: warning: unknown\[193.169.252.140\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jun 29 00:57:51 mail postfix/smtpd\[30201\]: warning: unknown\[193.169.252.140\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jun 29 01:28:28 mail postfix/smtpd\[30693\]: warning: unknown\[193.169.252.140\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2019-06-29 07:36:56
81.214.187.194 attackbots
Unauthorized connection attempt from IP address 81.214.187.194 on Port 445(SMB)
2019-06-29 07:21:55

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