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 <<>> 104.21.91.12
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45382
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.91.12.			IN	A

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

;; Query time: 108 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:14:25 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 12.91.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 12.91.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
113.124.172.240 attackbotsspam
Invalid user support from 113.124.172.240 port 53145
2019-09-21 15:46:43
27.74.242.251 attackspam
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-09-21 03:16:23,139 INFO [amun_request_handler] PortScan Detected on Port: 445 (27.74.242.251)
2019-09-21 14:59:21
87.99.77.104 attackbots
Sep 21 08:57:07 vps01 sshd[28104]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.99.77.104
Sep 21 08:57:09 vps01 sshd[28104]: Failed password for invalid user jenkins from 87.99.77.104 port 50260 ssh2
2019-09-21 15:01:53
144.217.42.212 attackbotsspam
Sep 21 06:09:02 SilenceServices sshd[16917]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.42.212
Sep 21 06:09:04 SilenceServices sshd[16917]: Failed password for invalid user rl from 144.217.42.212 port 56647 ssh2
Sep 21 06:13:03 SilenceServices sshd[18045]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.42.212
2019-09-21 15:18:57
80.82.65.60 attackspam
Sep 21 09:12:48 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, session=\<7Mbj6QqTVh9QUkE8\>
Sep 21 09:21:06 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, session=\
Sep 21 09:23:32 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, session=\
Sep 21 09:24:58 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, session=\
Sep 21 09:25:42 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.
...
2019-09-21 15:40:37
211.220.27.191 attackbotsspam
Sep 21 09:05:13 MK-Soft-VM5 sshd[2811]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.220.27.191 
Sep 21 09:05:15 MK-Soft-VM5 sshd[2811]: Failed password for invalid user admin from 211.220.27.191 port 33764 ssh2
...
2019-09-21 15:17:07
193.194.89.46 attackspam
Invalid user test2 from 193.194.89.46 port 58152
2019-09-21 15:14:29
81.23.9.218 attackbots
Sep 21 06:30:44 apollo sshd\[10819\]: Invalid user terrence from 81.23.9.218Sep 21 06:30:47 apollo sshd\[10819\]: Failed password for invalid user terrence from 81.23.9.218 port 60084 ssh2Sep 21 06:35:39 apollo sshd\[10826\]: Invalid user vyatta from 81.23.9.218
...
2019-09-21 15:04:35
190.147.137.66 attack
Unauthorized IMAP connection attempt
2019-09-21 15:36:36
106.12.195.224 attackbotsspam
Sep 21 08:54:10 MK-Soft-VM5 sshd[2747]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.195.224 
Sep 21 08:54:12 MK-Soft-VM5 sshd[2747]: Failed password for invalid user dsc from 106.12.195.224 port 54875 ssh2
...
2019-09-21 15:37:52
14.63.169.33 attackbots
Sep 20 21:17:48 web9 sshd\[20940\]: Invalid user control from 14.63.169.33
Sep 20 21:17:48 web9 sshd\[20940\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.63.169.33
Sep 20 21:17:50 web9 sshd\[20940\]: Failed password for invalid user control from 14.63.169.33 port 51215 ssh2
Sep 20 21:22:42 web9 sshd\[21911\]: Invalid user student1 from 14.63.169.33
Sep 20 21:22:42 web9 sshd\[21911\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.63.169.33
2019-09-21 15:39:15
182.72.224.134 attackbotsspam
445/tcp
[2019-09-21]1pkt
2019-09-21 15:14:46
195.76.192.145 attackspambots
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-09-21 03:13:36,033 INFO [amun_request_handler] PortScan Detected on Port: 445 (195.76.192.145)
2019-09-21 15:23:45
202.162.221.158 attackspambots
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-09-21 03:08:58,341 INFO [amun_request_handler] PortScan Detected on Port: 445 (202.162.221.158)
2019-09-21 15:37:28
190.128.230.14 attackbotsspam
Sep 21 07:59:40 tux-35-217 sshd\[23464\]: Invalid user lesley from 190.128.230.14 port 49091
Sep 21 07:59:40 tux-35-217 sshd\[23464\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.128.230.14
Sep 21 07:59:42 tux-35-217 sshd\[23464\]: Failed password for invalid user lesley from 190.128.230.14 port 49091 ssh2
Sep 21 08:06:09 tux-35-217 sshd\[23488\]: Invalid user server from 190.128.230.14 port 39186
Sep 21 08:06:09 tux-35-217 sshd\[23488\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.128.230.14
...
2019-09-21 15:10:27

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