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 <<>> 104.21.81.11
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25626
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.11.			IN	A

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

;; Query time: 85 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:01:58 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 11.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 11.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
40.77.18.220 attackspam
DATE:2020-08-16 14:25:14, IP:40.77.18.220, PORT:1433 MSSQL brute force auth on honeypot server (honey-neo-dc)
2020-08-16 21:48:08
45.181.233.147 attackbotsspam
Automatic report - Port Scan Attack
2020-08-16 22:12:26
195.250.240.2 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-08-16 22:01:26
197.247.199.235 attackbotsspam
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-08-16T12:13:25Z and 2020-08-16T12:25:16Z
2020-08-16 21:45:00
61.177.172.168 attack
2020-08-16T15:51:11.618152vps751288.ovh.net sshd\[25949\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.168  user=root
2020-08-16T15:51:13.745316vps751288.ovh.net sshd\[25949\]: Failed password for root from 61.177.172.168 port 42239 ssh2
2020-08-16T15:51:16.448818vps751288.ovh.net sshd\[25949\]: Failed password for root from 61.177.172.168 port 42239 ssh2
2020-08-16T15:51:20.223228vps751288.ovh.net sshd\[25949\]: Failed password for root from 61.177.172.168 port 42239 ssh2
2020-08-16T15:51:23.083882vps751288.ovh.net sshd\[25949\]: Failed password for root from 61.177.172.168 port 42239 ssh2
2020-08-16 22:00:13
198.50.136.143 attackspam
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-08-16T12:23:48Z and 2020-08-16T12:31:03Z
2020-08-16 21:32:19
37.139.7.127 attackbots
Aug 16 05:41:51 mockhub sshd[495]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.139.7.127
Aug 16 05:41:53 mockhub sshd[495]: Failed password for invalid user b1 from 37.139.7.127 port 33308 ssh2
...
2020-08-16 21:33:48
181.143.228.170 attack
Aug 16 03:10:00 web1 sshd\[16146\]: Invalid user apptest from 181.143.228.170
Aug 16 03:10:00 web1 sshd\[16146\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.143.228.170
Aug 16 03:10:02 web1 sshd\[16146\]: Failed password for invalid user apptest from 181.143.228.170 port 48568 ssh2
Aug 16 03:14:35 web1 sshd\[16499\]: Invalid user www from 181.143.228.170
Aug 16 03:14:35 web1 sshd\[16499\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.143.228.170
2020-08-16 21:59:10
40.73.73.244 attack
Aug 16 14:26:18 ns382633 sshd\[19938\]: Invalid user anil from 40.73.73.244 port 46444
Aug 16 14:26:18 ns382633 sshd\[19938\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.73.73.244
Aug 16 14:26:20 ns382633 sshd\[19938\]: Failed password for invalid user anil from 40.73.73.244 port 46444 ssh2
Aug 16 14:32:56 ns382633 sshd\[21031\]: Invalid user administrator from 40.73.73.244 port 50052
Aug 16 14:32:56 ns382633 sshd\[21031\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.73.73.244
2020-08-16 21:39:12
62.210.7.59 attackbotsspam
62.210.7.59 - - [16/Aug/2020:13:53:27 +0100] "POST /wp-login.php HTTP/1.1" 200 2606 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
62.210.7.59 - - [16/Aug/2020:13:53:28 +0100] "POST /wp-login.php HTTP/1.1" 200 2603 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
62.210.7.59 - - [16/Aug/2020:13:53:29 +0100] "POST /xmlrpc.php HTTP/1.1" 200 247 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-16 21:37:12
149.202.55.18 attackspambots
Aug 16 16:01:24 home sshd[298004]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.55.18 
Aug 16 16:01:24 home sshd[298004]: Invalid user mouse from 149.202.55.18 port 48052
Aug 16 16:01:26 home sshd[298004]: Failed password for invalid user mouse from 149.202.55.18 port 48052 ssh2
Aug 16 16:05:16 home sshd[299379]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.55.18  user=root
Aug 16 16:05:17 home sshd[299379]: Failed password for root from 149.202.55.18 port 58662 ssh2
...
2020-08-16 22:14:21
92.36.131.66 attackbots
Automatic report - Port Scan Attack
2020-08-16 21:38:19
182.156.209.222 attack
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-08-16T12:27:01Z and 2020-08-16T12:35:22Z
2020-08-16 22:14:02
106.54.166.187 attackspam
Bruteforce detected by fail2ban
2020-08-16 21:36:51
164.68.105.131 attackspambots
Aug 16 15:57:39 srv-ubuntu-dev3 sshd[102030]: Invalid user gmodserver from 164.68.105.131
Aug 16 15:57:39 srv-ubuntu-dev3 sshd[102030]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.68.105.131
Aug 16 15:57:39 srv-ubuntu-dev3 sshd[102030]: Invalid user gmodserver from 164.68.105.131
Aug 16 15:57:40 srv-ubuntu-dev3 sshd[102030]: Failed password for invalid user gmodserver from 164.68.105.131 port 55996 ssh2
Aug 16 16:01:29 srv-ubuntu-dev3 sshd[102595]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.68.105.131  user=root
Aug 16 16:01:31 srv-ubuntu-dev3 sshd[102595]: Failed password for root from 164.68.105.131 port 37242 ssh2
Aug 16 16:05:10 srv-ubuntu-dev3 sshd[103028]: Invalid user hannes from 164.68.105.131
Aug 16 16:05:10 srv-ubuntu-dev3 sshd[103028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.68.105.131
Aug 16 16:05:10 srv-ubuntu-dev3 sshd[103028
...
2020-08-16 22:14:43

Recently Reported IPs

104.21.81.109 104.21.81.113 104.21.81.111 104.21.81.110
104.21.81.114 152.39.206.173 104.21.81.115 104.21.81.118
104.21.81.12 104.21.81.123 104.21.81.122 104.21.81.121
104.21.81.120 104.21.81.125 104.21.81.127 104.21.81.128
104.21.81.13 104.21.81.129 104.21.81.132 104.21.81.137