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 <<>> 104.21.47.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2975
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.47.81.			IN	A

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

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:32:43 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.47.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.47.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
89.163.216.147 attack
SSH login attempts.
2020-02-17 15:44:48
117.54.106.202 attack
Brute-force general attack.
2020-02-17 15:49:07
142.44.162.120 attackspambots
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.44.162.120 
Failed password for invalid user www from 142.44.162.120 port 40236 ssh2
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.44.162.120
2020-02-17 15:14:06
222.186.30.76 attackbots
Feb 17 12:19:14 gw1 sshd[5498]: Failed password for root from 222.186.30.76 port 48708 ssh2
Feb 17 12:19:16 gw1 sshd[5498]: Failed password for root from 222.186.30.76 port 48708 ssh2
...
2020-02-17 15:19:39
124.6.157.2 attack
1581915497 - 02/17/2020 05:58:17 Host: 124.6.157.2/124.6.157.2 Port: 445 TCP Blocked
2020-02-17 15:28:04
196.218.57.2 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-17 15:53:54
217.72.102.160 attackspam
SSH login attempts.
2020-02-17 15:49:37
54.203.167.158 attackspambots
SSH login attempts.
2020-02-17 15:29:53
173.212.232.221 attack
Feb 17 04:04:41 firewall sshd[9095]: Invalid user ftpuser from 173.212.232.221
Feb 17 04:04:43 firewall sshd[9095]: Failed password for invalid user ftpuser from 173.212.232.221 port 45560 ssh2
Feb 17 04:08:00 firewall sshd[9226]: Invalid user vaibhav from 173.212.232.221
...
2020-02-17 15:22:09
154.49.213.26 attackbots
web-1 [ssh] SSH Attack
2020-02-17 15:25:11
88.12.68.3 attackbotsspam
Feb 17 06:27:26 vps647732 sshd[13697]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.12.68.3
Feb 17 06:27:28 vps647732 sshd[13697]: Failed password for invalid user dvs from 88.12.68.3 port 44638 ssh2
...
2020-02-17 15:54:40
83.20.160.225 attackspambots
Feb 17 07:55:34 mout sshd[24151]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.20.160.225  user=root
Feb 17 07:55:37 mout sshd[24151]: Failed password for root from 83.20.160.225 port 44172 ssh2
2020-02-17 15:42:02
200.185.193.34 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-17 15:33:07
42.116.230.8 attackspambots
1581915491 - 02/17/2020 05:58:11 Host: 42.116.230.8/42.116.230.8 Port: 445 TCP Blocked
2020-02-17 15:35:41
217.31.62.15 attack
SSH login attempts.
2020-02-17 15:15:19

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