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: None

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 <<>> 104.21.21.12
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18179
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.12.			IN	A

;; AUTHORITY SECTION:
.			209	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:53:06 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 12.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 12.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.13.215.94 attackspambots
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2020-10-05 01:34:11
95.9.95.222 attackspambots
Port Scan: TCP/445
2020-10-05 01:48:28
134.209.236.31 attack
SSH invalid-user multiple login attempts
2020-10-05 01:35:55
58.250.86.44 attackbots
2020-10-04T08:08:01.958575vps773228.ovh.net sshd[11983]: Invalid user james from 58.250.86.44 port 51772
2020-10-04T08:08:01.974762vps773228.ovh.net sshd[11983]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.250.86.44
2020-10-04T08:08:01.958575vps773228.ovh.net sshd[11983]: Invalid user james from 58.250.86.44 port 51772
2020-10-04T08:08:03.896890vps773228.ovh.net sshd[11983]: Failed password for invalid user james from 58.250.86.44 port 51772 ssh2
2020-10-04T08:43:42.621958vps773228.ovh.net sshd[12177]: Invalid user wocloud from 58.250.86.44 port 57922
...
2020-10-05 02:00:16
103.140.83.18 attackbots
Sep 17 01:48:19 roki-contabo sshd\[12013\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.140.83.18  user=root
Sep 17 01:48:22 roki-contabo sshd\[12013\]: Failed password for root from 103.140.83.18 port 50614 ssh2
Sep 17 04:34:41 roki-contabo sshd\[13731\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.140.83.18  user=root
Sep 17 04:34:43 roki-contabo sshd\[13731\]: Failed password for root from 103.140.83.18 port 58440 ssh2
Sep 17 04:42:48 roki-contabo sshd\[13774\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.140.83.18  user=root
...
2020-10-05 01:30:46
218.92.0.212 attack
Sep 16 09:13:16 roki-contabo sshd\[31997\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.212  user=root
Sep 16 09:13:18 roki-contabo sshd\[31997\]: Failed password for root from 218.92.0.212 port 21361 ssh2
Sep 16 09:13:35 roki-contabo sshd\[31999\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.212  user=root
Sep 16 09:13:38 roki-contabo sshd\[31999\]: Failed password for root from 218.92.0.212 port 50917 ssh2
Sep 16 09:13:59 roki-contabo sshd\[32001\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.212  user=root
Sep 18 12:16:50 roki-contabo sshd\[21060\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.212  user=root
Sep 18 12:16:52 roki-contabo sshd\[21060\]: Failed password for root from 218.92.0.212 port 38353 ssh2
Sep 18 12:17:02 roki-contabo sshd\[21060\]: Failed pass
...
2020-10-05 01:51:09
36.37.140.86 attackspambots
C1,WP GET /wp-login.php
2020-10-05 01:58:26
103.131.71.161 attackspambots
(mod_security) mod_security (id:210730) triggered by 103.131.71.161 (VN/Vietnam/bot-103-131-71-161.coccoc.com): 5 in the last 3600 secs
2020-10-05 01:48:11
121.9.211.84 attackbots
[ssh] SSH attack
2020-10-05 01:32:27
51.75.32.143 attackbotsspam
Oct  3 12:36:01 roki-contabo sshd\[6269\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.32.143  user=root
Oct  3 12:36:03 roki-contabo sshd\[6269\]: Failed password for root from 51.75.32.143 port 47938 ssh2
Oct  3 12:47:57 roki-contabo sshd\[6501\]: Invalid user wt from 51.75.32.143
Oct  3 12:47:57 roki-contabo sshd\[6501\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.32.143
Oct  3 12:47:59 roki-contabo sshd\[6501\]: Failed password for invalid user wt from 51.75.32.143 port 51542 ssh2
...
2020-10-05 01:46:23
173.236.255.123 attackbots
173.236.255.123 - - [04/Oct/2020:05:05:10 +0100] "POST /wp-login.php HTTP/1.1" 200 2426 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
173.236.255.123 - - [04/Oct/2020:05:05:11 +0100] "POST /wp-login.php HTTP/1.1" 200 2443 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
173.236.255.123 - - [04/Oct/2020:05:05:11 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-10-05 01:54:24
185.132.53.5 attackbots
Sep 28 02:35:15 roki-contabo sshd\[5365\]: Invalid user superuser from 185.132.53.5
Sep 28 02:35:15 roki-contabo sshd\[5365\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.132.53.5
Sep 28 02:35:17 roki-contabo sshd\[5365\]: Failed password for invalid user superuser from 185.132.53.5 port 59012 ssh2
Sep 28 02:42:40 roki-contabo sshd\[5433\]: Invalid user grid from 185.132.53.5
Sep 28 02:42:40 roki-contabo sshd\[5433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.132.53.5
...
2020-10-05 01:45:09
122.114.70.12 attackbotsspam
Oct  4 19:33:36 [host] sshd[21131]: pam_unix(sshd:
Oct  4 19:33:39 [host] sshd[21131]: Failed passwor
Oct  4 19:37:45 [host] sshd[21219]: pam_unix(sshd:
2020-10-05 01:42:14
112.85.42.176 attackbotsspam
Oct  4 19:50:02 amit sshd\[22189\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.176  user=root
Oct  4 19:50:04 amit sshd\[22189\]: Failed password for root from 112.85.42.176 port 31395 ssh2
Oct  4 19:50:21 amit sshd\[22211\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.176  user=root
...
2020-10-05 01:56:15
209.141.40.182 attack
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2020-10-05 01:50:52

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