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 <<>> 104.21.81.216
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28687
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.216.			IN	A

;; AUTHORITY SECTION:
.			499	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 172 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:20:27 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 216.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 216.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
200.73.128.148 attackspambots
Jun 10 05:50:39 ajax sshd[26965]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.73.128.148 
Jun 10 05:50:41 ajax sshd[26965]: Failed password for invalid user monitor from 200.73.128.148 port 47884 ssh2
2020-06-10 17:47:38
14.98.22.102 attack
2020-06-10T08:35:14+0200 Failed SSH Authentication/Brute Force Attack.(Server 2)
2020-06-10 18:16:59
89.151.134.78 attackspambots
Jun 10 08:52:39 l02a sshd[1894]: Invalid user prueba from 89.151.134.78
Jun 10 08:52:39 l02a sshd[1894]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.151.134.78 
Jun 10 08:52:39 l02a sshd[1894]: Invalid user prueba from 89.151.134.78
Jun 10 08:52:41 l02a sshd[1894]: Failed password for invalid user prueba from 89.151.134.78 port 46618 ssh2
2020-06-10 17:48:42
71.6.158.166 attackspam
Unauthorized connection attempt detected from IP address 71.6.158.166 to port 4443
2020-06-10 17:31:35
200.141.166.170 attackspam
2020-06-10T08:35:45+0200 Failed SSH Authentication/Brute Force Attack. (Server 4)
2020-06-10 17:51:33
49.159.94.173 attack
Port Scan detected!
...
2020-06-10 18:04:25
46.105.149.168 attackspam
2020-06-10T06:14:15.176813shield sshd\[23715\]: Invalid user admin from 46.105.149.168 port 50372
2020-06-10T06:14:15.180515shield sshd\[23715\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip168.ip-46-105-149.eu
2020-06-10T06:14:17.159169shield sshd\[23715\]: Failed password for invalid user admin from 46.105.149.168 port 50372 ssh2
2020-06-10T06:17:33.729940shield sshd\[25153\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip168.ip-46-105-149.eu  user=root
2020-06-10T06:17:35.216957shield sshd\[25153\]: Failed password for root from 46.105.149.168 port 52898 ssh2
2020-06-10 17:52:07
121.12.151.250 attackbotsspam
Jun 10 05:45:02 vps647732 sshd[14732]: Failed password for root from 121.12.151.250 port 59214 ssh2
...
2020-06-10 18:11:09
103.143.208.102 attackbotsspam
spam (f2b h1)
2020-06-10 18:15:47
103.199.16.139 attack
Jun 10 06:34:56 firewall sshd[10295]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.199.16.139
Jun 10 06:34:56 firewall sshd[10295]: Invalid user admin from 103.199.16.139
Jun 10 06:34:58 firewall sshd[10295]: Failed password for invalid user admin from 103.199.16.139 port 55166 ssh2
...
2020-06-10 18:07:16
46.8.213.19 attack
He hack my steam account
2020-06-10 18:20:24
139.99.98.248 attackspambots
Jun 10 20:25:06 localhost sshd[3624298]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.98.248  user=root
Jun 10 20:25:08 localhost sshd[3624298]: Failed password for root from 139.99.98.248 port 36698 ssh2
...
2020-06-10 18:25:19
200.133.133.220 attackbots
sshd: Failed password for .... from 200.133.133.220 port 37538 ssh2 (3 attempts)
2020-06-10 18:16:47
167.249.168.102 attack
frenzy
2020-06-10 17:38:27
36.92.143.71 attack
(sshd) Failed SSH login from 36.92.143.71 (ID/Indonesia/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jun 10 10:33:50 ubnt-55d23 sshd[23209]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.92.143.71  user=mysql
Jun 10 10:33:51 ubnt-55d23 sshd[23209]: Failed password for mysql from 36.92.143.71 port 39620 ssh2
2020-06-10 18:07:38

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