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 <<>> 104.21.9.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52954
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.9.81.			IN	A

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

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:13:08 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 81.9.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.9.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
37.187.79.117 attackspambots
$f2bV_matches_ltvn
2019-09-22 15:02:40
115.168.55.13 attackspam
Sep 22 09:52:10 www sshd\[39518\]: Invalid user sh from 115.168.55.13
Sep 22 09:52:10 www sshd\[39518\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.168.55.13
Sep 22 09:52:12 www sshd\[39518\]: Failed password for invalid user sh from 115.168.55.13 port 57207 ssh2
...
2019-09-22 15:13:14
212.112.98.146 attack
Sep 22 08:12:37 apollo sshd\[16372\]: Invalid user ya from 212.112.98.146Sep 22 08:12:39 apollo sshd\[16372\]: Failed password for invalid user ya from 212.112.98.146 port 30051 ssh2Sep 22 08:28:56 apollo sshd\[16413\]: Invalid user na from 212.112.98.146
...
2019-09-22 15:18:04
157.230.144.158 attackspam
Sep 22 07:21:26 venus sshd\[1947\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.144.158  user=sshd
Sep 22 07:21:28 venus sshd\[1947\]: Failed password for sshd from 157.230.144.158 port 39852 ssh2
Sep 22 07:25:51 venus sshd\[2056\]: Invalid user oframe2 from 157.230.144.158 port 53158
...
2019-09-22 15:26:37
111.231.89.162 attackbotsspam
Sep 22 06:12:35 hcbbdb sshd\[31169\]: Invalid user ts3server1 from 111.231.89.162
Sep 22 06:12:35 hcbbdb sshd\[31169\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.89.162
Sep 22 06:12:37 hcbbdb sshd\[31169\]: Failed password for invalid user ts3server1 from 111.231.89.162 port 35868 ssh2
Sep 22 06:17:59 hcbbdb sshd\[31836\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.89.162  user=mysql
Sep 22 06:18:01 hcbbdb sshd\[31836\]: Failed password for mysql from 111.231.89.162 port 49126 ssh2
2019-09-22 14:53:07
122.226.40.5 attackspambots
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-09-22 03:19:31,051 INFO [amun_request_handler] PortScan Detected on Port: 445 (122.226.40.5)
2019-09-22 15:20:52
121.15.140.178 attackbots
Sep 22 07:16:40 ns41 sshd[20545]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.15.140.178
2019-09-22 15:19:41
78.130.243.120 attackbots
2019-09-22T02:56:23.234080mizuno.rwx.ovh sshd[1147325]: Connection from 78.130.243.120 port 55988 on 78.46.61.178 port 22
2019-09-22T02:56:23.589057mizuno.rwx.ovh sshd[1147325]: Invalid user didi from 78.130.243.120 port 55988
2019-09-22T02:56:23.600949mizuno.rwx.ovh sshd[1147325]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=78.130.243.120
2019-09-22T02:56:23.234080mizuno.rwx.ovh sshd[1147325]: Connection from 78.130.243.120 port 55988 on 78.46.61.178 port 22
2019-09-22T02:56:23.589057mizuno.rwx.ovh sshd[1147325]: Invalid user didi from 78.130.243.120 port 55988
2019-09-22T02:56:25.690476mizuno.rwx.ovh sshd[1147325]: Failed password for invalid user didi from 78.130.243.120 port 55988 ssh2
...
2019-09-22 15:05:13
58.65.135.98 attack
Unauthorized connection attempt from IP address 58.65.135.98 on Port 445(SMB)
2019-09-22 15:16:40
51.68.192.106 attackspam
$f2bV_matches
2019-09-22 15:30:55
185.5.193.121 attackspambots
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-09-22 03:16:31,707 INFO [amun_request_handler] PortScan Detected on Port: 445 (185.5.193.121)
2019-09-22 15:28:09
153.35.123.27 attack
Invalid user student from 153.35.123.27 port 43404
2019-09-22 14:49:55
124.251.19.213 attackspam
Sep 22 10:01:44 www sshd\[39606\]: Invalid user winrar from 124.251.19.213
Sep 22 10:01:44 www sshd\[39606\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.251.19.213
Sep 22 10:01:46 www sshd\[39606\]: Failed password for invalid user winrar from 124.251.19.213 port 38980 ssh2
...
2019-09-22 15:08:00
148.70.17.61 attack
Sep 21 20:38:30 auw2 sshd\[6810\]: Invalid user admin from 148.70.17.61
Sep 21 20:38:30 auw2 sshd\[6810\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.17.61
Sep 21 20:38:32 auw2 sshd\[6810\]: Failed password for invalid user admin from 148.70.17.61 port 55932 ssh2
Sep 21 20:44:27 auw2 sshd\[7696\]: Invalid user ku from 148.70.17.61
Sep 21 20:44:27 auw2 sshd\[7696\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.17.61
2019-09-22 14:50:21
140.143.201.236 attack
ssh failed login
2019-09-22 14:51:03

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