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 <<>> 104.21.71.243
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6306
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.71.243.			IN	A

;; AUTHORITY SECTION:
.			467	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 54 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:49:53 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 243.71.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 243.71.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
74.84.147.96 attackbotsspam
Lines containing failures of 74.84.147.96
Jun  4 12:55:12 shared10 sshd[31651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=74.84.147.96  user=r.r
Jun  4 12:55:14 shared10 sshd[31651]: Failed password for r.r from 74.84.147.96 port 40652 ssh2
Jun  4 12:55:14 shared10 sshd[31651]: Received disconnect from 74.84.147.96 port 40652:11: Bye Bye [preauth]
Jun  4 12:55:14 shared10 sshd[31651]: Disconnected from authenticating user r.r 74.84.147.96 port 40652 [preauth]
Jun  4 13:05:55 shared10 sshd[2991]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=74.84.147.96  user=r.r
Jun  4 13:05:57 shared10 sshd[2991]: Failed password for r.r from 74.84.147.96 port 52216 ssh2
Jun  4 13:05:57 shared10 sshd[2991]: Received disconnect from 74.84.147.96 port 52216:11: By
.... truncated .... 
Lines containing failures of 74.84.147.96
Jun  4 12:55:12 shared10 sshd[31651]: pam_unix(sshd:auth): authentication fa........
------------------------------
2020-06-05 00:22:02
188.165.24.200 attackbots
Jun  4 15:19:13 marvibiene sshd[39958]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.24.200  user=root
Jun  4 15:19:14 marvibiene sshd[39958]: Failed password for root from 188.165.24.200 port 33508 ssh2
Jun  4 15:24:38 marvibiene sshd[40027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.24.200  user=root
Jun  4 15:24:39 marvibiene sshd[40027]: Failed password for root from 188.165.24.200 port 57682 ssh2
...
2020-06-05 00:28:30
139.186.73.248 attackspam
SSH Brute-Force Attack
2020-06-05 00:29:14
192.151.152.178 attackbots
192.151.152.178 - - [04/Jun/2020:10:31:35 -0500] "HEAD /cnf/spa$MA.cfg HTTP/1.1"
192.151.152.178 - - [04/Jun/2020:10:31:38 -0500] "HEAD /accounts/SIPDefault.cnf 
192.151.152.178 - - [04/Jun/2020:10:31:51 -0500] "HEAD /cnf/SIPDefault.cnf HTTP/
192.151.152.178 - - [04/Jun/2020:10:31:55 -0500] "HEAD /accounts/IPDefault.cnf H
2020-06-05 00:52:00
5.142.81.18 attack
Jun  4 14:50:02 server5 sshd[24605]: User admin from 5.142.81.18 not allowed because not listed in AllowUsers
Jun  4 14:50:02 server5 sshd[24605]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.142.81.18  user=admin
Jun  4 14:50:05 server5 sshd[24605]: Failed password for invalid user admin from 5.142.81.18 port 45429 ssh2
Jun  4 14:50:05 server5 sshd[24605]: Connection closed by 5.142.81.18 port 45429 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=5.142.81.18
2020-06-05 01:05:07
211.39.149.53 attackspambots
This client attempted to login to an administrator account on a Website, or abused from another resource.
2020-06-05 00:42:15
222.186.190.2 attackbots
Jun  4 18:21:01 nas sshd[21022]: Failed password for root from 222.186.190.2 port 29680 ssh2
Jun  4 18:21:06 nas sshd[21022]: Failed password for root from 222.186.190.2 port 29680 ssh2
Jun  4 18:21:11 nas sshd[21022]: Failed password for root from 222.186.190.2 port 29680 ssh2
Jun  4 18:21:14 nas sshd[21022]: Failed password for root from 222.186.190.2 port 29680 ssh2
...
2020-06-05 00:41:41
138.68.71.174 attack
[Thu Jun 04 08:31:15.929570 2020] [php7:error] [pid 12674] [client 138.68.71.174:49980] script /Library/Server/Web/Data/Sites/omfocused.com/wp-login.php not found or unable to stat
2020-06-05 01:02:28
121.46.26.126 attackbotsspam
sshd jail - ssh hack attempt
2020-06-05 00:52:53
125.75.4.83 attackbots
2020-06-04T15:53:13.094311mail.standpoint.com.ua sshd[23889]: Failed password for root from 125.75.4.83 port 44252 ssh2
2020-06-04T15:54:46.858352mail.standpoint.com.ua sshd[24092]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.75.4.83  user=root
2020-06-04T15:54:49.242040mail.standpoint.com.ua sshd[24092]: Failed password for root from 125.75.4.83 port 60310 ssh2
2020-06-04T15:56:19.732953mail.standpoint.com.ua sshd[24295]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.75.4.83  user=root
2020-06-04T15:56:21.549418mail.standpoint.com.ua sshd[24295]: Failed password for root from 125.75.4.83 port 48140 ssh2
...
2020-06-05 00:59:36
159.65.77.254 attackbotsspam
Jun  4 14:50:35 vps687878 sshd\[27542\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.77.254  user=root
Jun  4 14:50:37 vps687878 sshd\[27542\]: Failed password for root from 159.65.77.254 port 53644 ssh2
Jun  4 14:53:07 vps687878 sshd\[27905\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.77.254  user=root
Jun  4 14:53:09 vps687878 sshd\[27905\]: Failed password for root from 159.65.77.254 port 38742 ssh2
Jun  4 14:55:38 vps687878 sshd\[28185\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.77.254  user=root
...
2020-06-05 00:40:34
193.56.28.176 attackbots
Jun  4 18:47:13 mail postfix/smtpd\[31214\]: warning: unknown\[193.56.28.176\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jun  4 18:47:19 mail postfix/smtpd\[31214\]: warning: unknown\[193.56.28.176\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jun  4 18:47:29 mail postfix/smtpd\[31214\]: warning: unknown\[193.56.28.176\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jun  4 18:47:39 mail postfix/smtpd\[31214\]: warning: unknown\[193.56.28.176\]: SASL LOGIN authentication failed: Connection lost to authentication server\
2020-06-05 00:57:12
177.223.105.208 attackbotsspam
Jun  4 14:04:58 vpn01 sshd[29297]: Failed password for root from 177.223.105.208 port 53874 ssh2
Jun  4 14:05:09 vpn01 sshd[29297]: error: maximum authentication attempts exceeded for root from 177.223.105.208 port 53874 ssh2 [preauth]
...
2020-06-05 00:37:04
83.135.206.25 attack
honeypot 22 port
2020-06-05 00:54:24
79.124.62.55 attackspam
*Port Scan* detected from 79.124.62.55 (BG/Bulgaria/Sofia-grad/Sofia/ip-62-55.fiberinternet.bg). 4 hits in the last 216 seconds
2020-06-05 00:38:00

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