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 <<>> 104.20.81.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31572
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.20.81.21.			IN	A

;; AUTHORITY SECTION:
.			126	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022032801 1800 900 604800 86400

;; Query time: 68 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Mar 29 12:23:24 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.81.20.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.81.20.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
129.204.210.40 attackspambots
Dec 27 07:33:23 server sshd\[14610\]: Invalid user gedman from 129.204.210.40
Dec 27 07:33:23 server sshd\[14610\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.210.40 
Dec 27 07:33:25 server sshd\[14610\]: Failed password for invalid user gedman from 129.204.210.40 port 60792 ssh2
Dec 27 07:57:30 server sshd\[19594\]: Invalid user mromer from 129.204.210.40
Dec 27 07:57:30 server sshd\[19594\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.210.40 
...
2019-12-27 13:11:49
49.88.112.61 attack
web-1 [ssh] SSH Attack
2019-12-27 13:01:58
109.207.159.168 attackbotsspam
Dec 27 05:53:44 [host] sshd[2072]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.207.159.168  user=root
Dec 27 05:53:47 [host] sshd[2072]: Failed password for root from 109.207.159.168 port 35456 ssh2
Dec 27 05:57:28 [host] sshd[2138]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.207.159.168  user=root
2019-12-27 13:12:41
222.186.173.215 attack
2019-12-27T06:23:48.300151centos sshd\[12014\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.215  user=root
2019-12-27T06:23:49.992740centos sshd\[12014\]: Failed password for root from 222.186.173.215 port 51160 ssh2
2019-12-27T06:23:53.366715centos sshd\[12014\]: Failed password for root from 222.186.173.215 port 51160 ssh2
2019-12-27 13:34:28
112.197.0.125 attackspam
Invalid user groupoffice from 112.197.0.125 port 3476
2019-12-27 13:22:10
106.75.72.100 attackspambots
Dec 27 05:12:42 raspberrypi sshd\[6938\]: Invalid user robrish from 106.75.72.100Dec 27 05:12:44 raspberrypi sshd\[6938\]: Failed password for invalid user robrish from 106.75.72.100 port 56998 ssh2Dec 27 05:23:07 raspberrypi sshd\[7856\]: Failed password for root from 106.75.72.100 port 53738 ssh2
...
2019-12-27 13:42:35
138.219.228.96 attackbots
Dec 27 00:13:45 plusreed sshd[3023]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.219.228.96  user=root
Dec 27 00:13:48 plusreed sshd[3023]: Failed password for root from 138.219.228.96 port 50588 ssh2
...
2019-12-27 13:40:57
125.165.176.130 attackbotsspam
3389BruteforceFW22
2019-12-27 13:20:44
184.95.49.154 attackspambots
Automatic report - XMLRPC Attack
2019-12-27 13:24:03
183.89.68.150 attackbotsspam
1577422638 - 12/27/2019 05:57:18 Host: 183.89.68.150/183.89.68.150 Port: 445 TCP Blocked
2019-12-27 13:16:43
106.12.179.35 attackbots
ssh failed login
2019-12-27 13:17:48
50.63.197.33 attack
Automatic report - XMLRPC Attack
2019-12-27 13:43:48
182.61.27.149 attackbots
Dec 27 05:56:52 ArkNodeAT sshd\[24471\]: Invalid user roth from 182.61.27.149
Dec 27 05:56:52 ArkNodeAT sshd\[24471\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.27.149
Dec 27 05:56:53 ArkNodeAT sshd\[24471\]: Failed password for invalid user roth from 182.61.27.149 port 46246 ssh2
2019-12-27 13:32:09
62.210.205.155 attackspambots
Dec 27 04:54:40 game-panel sshd[25626]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.210.205.155
Dec 27 04:54:42 game-panel sshd[25626]: Failed password for invalid user alexandria from 62.210.205.155 port 48862 ssh2
Dec 27 04:57:13 game-panel sshd[25766]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.210.205.155
2019-12-27 13:21:38
218.92.0.173 attackspam
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
Failed password for root from 218.92.0.173 port 57951 ssh2
Failed password for root from 218.92.0.173 port 57951 ssh2
Failed password for root from 218.92.0.173 port 57951 ssh2
Failed password for root from 218.92.0.173 port 57951 ssh2
2019-12-27 13:25:13

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