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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.81.133
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9102
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.133.			IN	A

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

;; Query time: 110 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:06 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 133.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 133.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
131.108.60.30 attackspam
Apr 18 14:02:58  sshd[8091]: Failed password for invalid user bitrix from 131.108.60.30 port 54126 ssh2
2020-04-18 20:16:42
83.30.87.52 attackspambots
web-1 [ssh] SSH Attack
2020-04-18 20:21:02
103.207.169.1 attackbots
Automatic report - Port Scan Attack
2020-04-18 20:05:26
167.172.139.65 attack
CMS (WordPress or Joomla) login attempt.
2020-04-18 20:30:22
180.183.245.122 attack
Disconnected \(auth failed, 1 attempts in 13 secs\):
2020-04-18 20:15:58
175.24.44.82 attackspambots
Apr 18 14:25:59 eventyay sshd[28217]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.44.82
Apr 18 14:26:01 eventyay sshd[28217]: Failed password for invalid user ts3server from 175.24.44.82 port 54272 ssh2
Apr 18 14:28:42 eventyay sshd[28246]: Failed password for root from 175.24.44.82 port 55080 ssh2
...
2020-04-18 20:32:09
106.13.65.207 attackbotsspam
Apr 18 15:00:45 lukav-desktop sshd\[2690\]: Invalid user zk from 106.13.65.207
Apr 18 15:00:45 lukav-desktop sshd\[2690\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.65.207
Apr 18 15:00:47 lukav-desktop sshd\[2690\]: Failed password for invalid user zk from 106.13.65.207 port 34776 ssh2
Apr 18 15:05:12 lukav-desktop sshd\[5927\]: Invalid user kh from 106.13.65.207
Apr 18 15:05:12 lukav-desktop sshd\[5927\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.65.207
2020-04-18 20:14:38
45.227.255.190 attack
TCP Port Scanning
2020-04-18 19:58:28
54.38.36.210 attack
Apr 18 10:47:43 l03 sshd[11668]: Invalid user ubuntu from 54.38.36.210 port 41966
...
2020-04-18 19:50:56
220.248.30.58 attackbots
k+ssh-bruteforce
2020-04-18 20:06:40
91.121.177.192 attack
Apr 18 14:03:23 vps647732 sshd[5464]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.177.192
Apr 18 14:03:25 vps647732 sshd[5464]: Failed password for invalid user corinna from 91.121.177.192 port 57302 ssh2
...
2020-04-18 20:09:00
222.186.42.7 attack
Unauthorized connection attempt detected from IP address 222.186.42.7 to port 22
2020-04-18 20:21:51
190.85.171.126 attackbotsspam
Apr 18 12:17:35 game-panel sshd[10871]: Failed password for root from 190.85.171.126 port 38936 ssh2
Apr 18 12:22:35 game-panel sshd[11142]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.85.171.126
Apr 18 12:22:37 game-panel sshd[11142]: Failed password for invalid user jf from 190.85.171.126 port 56524 ssh2
2020-04-18 20:22:50
51.137.88.237 attackspambots
SSH Brute-Force attacks
2020-04-18 20:09:44
106.12.23.198 attackbotsspam
Apr 18 14:00:36 meumeu sshd[18048]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.23.198 
Apr 18 14:00:39 meumeu sshd[18048]: Failed password for invalid user ubuntu from 106.12.23.198 port 50564 ssh2
Apr 18 14:02:45 meumeu sshd[18387]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.23.198 
...
2020-04-18 20:32:25

Recently Reported IPs

104.21.81.137 104.21.81.138 104.21.81.143 104.21.81.14
104.21.81.148 104.21.81.149 104.21.81.147 104.21.81.152
104.21.81.15 104.21.81.146 104.21.81.150 104.21.81.151
104.21.81.153 104.21.81.154 104.21.81.155 104.21.81.156
104.21.81.157 104.21.81.158 104.21.81.159 104.21.81.16