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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.31.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44681
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.31.66.			IN	A

;; AUTHORITY SECTION:
.			414	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022001 1800 900 604800 86400

;; Query time: 109 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 21 05:23:06 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.31.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.31.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
170.106.33.194 attackspam
Aug 13 14:15:11 ip106 sshd[12939]: Failed password for root from 170.106.33.194 port 58310 ssh2
...
2020-08-13 20:36:54
103.76.175.130 attack
Aug 13 14:20:58 haigwepa sshd[20804]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.76.175.130 
Aug 13 14:21:00 haigwepa sshd[20804]: Failed password for invalid user P@$$w0rd from 103.76.175.130 port 34156 ssh2
...
2020-08-13 20:26:57
42.114.113.98 attackspambots
Unauthorized connection attempt from IP address 42.114.113.98 on Port 445(SMB)
2020-08-13 20:22:35
183.111.204.148 attackbots
Aug 13 02:33:33 web9 sshd\[12334\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.111.204.148  user=root
Aug 13 02:33:35 web9 sshd\[12334\]: Failed password for root from 183.111.204.148 port 45614 ssh2
Aug 13 02:36:45 web9 sshd\[12842\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.111.204.148  user=root
Aug 13 02:36:47 web9 sshd\[12842\]: Failed password for root from 183.111.204.148 port 60562 ssh2
Aug 13 02:40:07 web9 sshd\[13315\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.111.204.148  user=root
2020-08-13 20:55:50
219.240.99.110 attackbots
Aug 13 14:12:11 abendstille sshd\[22964\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.240.99.110  user=root
Aug 13 14:12:13 abendstille sshd\[22964\]: Failed password for root from 219.240.99.110 port 50862 ssh2
Aug 13 14:16:36 abendstille sshd\[27011\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.240.99.110  user=root
Aug 13 14:16:38 abendstille sshd\[27011\]: Failed password for root from 219.240.99.110 port 60036 ssh2
Aug 13 14:21:03 abendstille sshd\[31543\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.240.99.110  user=root
...
2020-08-13 20:24:15
202.83.36.167 attackspam
Email rejected due to spam filtering
2020-08-13 20:39:57
111.229.194.130 attackspambots
Aug 13 14:07:24 pve1 sshd[6353]: Failed password for root from 111.229.194.130 port 54324 ssh2
...
2020-08-13 20:43:56
114.67.230.50 attackbotsspam
2020-08-13T14:23:00.538259centos sshd[8011]: Failed password for root from 114.67.230.50 port 45826 ssh2
2020-08-13T14:27:27.282693centos sshd[8246]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.230.50  user=root
2020-08-13T14:27:29.391981centos sshd[8246]: Failed password for root from 114.67.230.50 port 33408 ssh2
...
2020-08-13 20:34:51
180.76.174.197 attack
2020-08-13T14:19:18.838056vps773228.ovh.net sshd[6068]: Failed password for root from 180.76.174.197 port 56098 ssh2
2020-08-13T14:22:38.710065vps773228.ovh.net sshd[6102]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.174.197  user=root
2020-08-13T14:22:40.478141vps773228.ovh.net sshd[6102]: Failed password for root from 180.76.174.197 port 37844 ssh2
2020-08-13T14:26:00.291591vps773228.ovh.net sshd[6135]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.174.197  user=root
2020-08-13T14:26:02.462720vps773228.ovh.net sshd[6135]: Failed password for root from 180.76.174.197 port 47802 ssh2
...
2020-08-13 20:32:16
46.102.13.147 attack
Automatic report - Port Scan Attack
2020-08-13 20:44:26
35.204.93.97 attackspambots
35.204.93.97 - - \[13/Aug/2020:14:20:30 +0200\] "POST /wp-login.php HTTP/1.0" 200 6400 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
35.204.93.97 - - \[13/Aug/2020:14:20:31 +0200\] "POST /wp-login.php HTTP/1.0" 200 6412 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
35.204.93.97 - - \[13/Aug/2020:14:20:32 +0200\] "POST /wp-login.php HTTP/1.0" 200 6404 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2020-08-13 20:50:34
198.143.133.157 attackbotsspam
firewall-block, port(s): 4782/tcp
2020-08-13 21:00:52
128.199.123.170 attackspambots
Aug 13 14:14:46 serwer sshd\[6438\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.123.170  user=root
Aug 13 14:14:47 serwer sshd\[6438\]: Failed password for root from 128.199.123.170 port 39254 ssh2
Aug 13 14:20:38 serwer sshd\[7242\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.123.170  user=root
...
2020-08-13 20:42:16
133.130.97.166 attackbotsspam
(sshd) Failed SSH login from 133.130.97.166 (JP/Japan/v133-130-97-166.a026.g.tyo1.static.cnode.io): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Aug 13 15:01:46 s1 sshd[9027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=133.130.97.166  user=root
Aug 13 15:01:47 s1 sshd[9027]: Failed password for root from 133.130.97.166 port 38692 ssh2
Aug 13 15:16:06 s1 sshd[10466]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=133.130.97.166  user=root
Aug 13 15:16:08 s1 sshd[10466]: Failed password for root from 133.130.97.166 port 44336 ssh2
Aug 13 15:20:33 s1 sshd[10657]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=133.130.97.166  user=root
2020-08-13 20:48:02
129.213.107.56 attackbots
Aug 13 14:18:12 ip106 sshd[13128]: Failed password for root from 129.213.107.56 port 53540 ssh2
...
2020-08-13 20:27:27

Recently Reported IPs

104.21.31.26 104.21.33.196 104.21.35.90 104.21.36.12
104.21.36.112 104.21.36.235 104.21.36.102 104.21.35.88
104.21.36.243 104.21.36.39 104.21.38.57 104.21.38.63
104.21.38.54 104.21.38.37 104.21.38.45 104.21.38.65
104.21.38.46 104.21.38.50 104.21.38.71 104.21.38.84