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: None

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 <<>> 104.21.53.168
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1390
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.168.			IN	A

;; AUTHORITY SECTION:
.			484	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:34:33 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 168.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 168.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
81.147.115.159 attackspambots
2020-07-07T03:11:31.940648morrigan.ad5gb.com sshd[2866157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.147.115.159
2020-07-07T03:11:32.017976morrigan.ad5gb.com sshd[2866158]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.147.115.159
2020-07-07 18:11:05
141.98.80.22 attackbotsspam
Unauthorized connection attempt detected from IP address 141.98.80.22 to port 3389 [T]
2020-07-07 18:39:00
59.127.1.12 attackbotsspam
Jul  7 10:48:27 webhost01 sshd[22213]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.127.1.12
Jul  7 10:48:28 webhost01 sshd[22213]: Failed password for invalid user xflow from 59.127.1.12 port 50240 ssh2
...
2020-07-07 18:35:39
106.12.217.204 attack
web-1 [ssh_2] SSH Attack
2020-07-07 18:29:45
65.52.76.223 attackbotsspam
Jul  7 05:29:06 mail.srvfarm.net postfix/smtps/smtpd[2176634]: warning: unknown[65.52.76.223]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  7 05:30:42 mail.srvfarm.net postfix/smtps/smtpd[2162418]: warning: unknown[65.52.76.223]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  7 05:32:18 mail.srvfarm.net postfix/smtps/smtpd[2176634]: warning: unknown[65.52.76.223]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  7 05:33:54 mail.srvfarm.net postfix/smtps/smtpd[2162418]: warning: unknown[65.52.76.223]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  7 05:35:30 mail.srvfarm.net postfix/smtps/smtpd[2176634]: warning: unknown[65.52.76.223]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-07-07 18:07:49
187.216.82.184 attackspam
3389BruteforceStormFW23
2020-07-07 18:41:37
101.95.162.58 attackbots
Jul  7 00:46:47 firewall sshd[8354]: Failed password for invalid user aya from 101.95.162.58 port 40702 ssh2
Jul  7 00:49:05 firewall sshd[8395]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.95.162.58  user=root
Jul  7 00:49:07 firewall sshd[8395]: Failed password for root from 101.95.162.58 port 42532 ssh2
...
2020-07-07 18:16:50
192.241.220.8 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-07-07 18:31:48
37.187.72.146 attack
37.187.72.146 - - [07/Jul/2020:11:10:26 +0100] "POST /wp-login.php HTTP/1.1" 200 5874 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
37.187.72.146 - - [07/Jul/2020:11:12:29 +0100] "POST /wp-login.php HTTP/1.1" 200 5881 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
37.187.72.146 - - [07/Jul/2020:11:14:33 +0100] "POST /wp-login.php HTTP/1.1" 200 5874 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
...
2020-07-07 18:38:48
103.91.181.25 attackbots
Port 22 Scan, PTR: None
2020-07-07 18:30:46
182.208.252.91 attackbots
Jul  7 07:41:12 eventyay sshd[29131]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.208.252.91
Jul  7 07:41:14 eventyay sshd[29131]: Failed password for invalid user hacked from 182.208.252.91 port 34676 ssh2
Jul  7 07:44:42 eventyay sshd[29206]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.208.252.91
...
2020-07-07 18:43:18
125.35.92.130 attackbotsspam
Jul  7 00:22:55 web1 sshd\[26654\]: Invalid user carla from 125.35.92.130
Jul  7 00:22:55 web1 sshd\[26654\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.35.92.130
Jul  7 00:22:57 web1 sshd\[26654\]: Failed password for invalid user carla from 125.35.92.130 port 14070 ssh2
Jul  7 00:24:07 web1 sshd\[26802\]: Invalid user pd from 125.35.92.130
Jul  7 00:24:07 web1 sshd\[26802\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.35.92.130
2020-07-07 18:42:08
118.25.152.231 attackbots
2020-07-07T02:58:12.148942morrigan.ad5gb.com sshd[2856549]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.152.231  user=root
2020-07-07T02:59:27.410832morrigan.ad5gb.com sshd[2857223]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.152.231
2020-07-07 18:36:41
23.95.242.76 attack
 TCP (SYN) 23.95.242.76:56104 -> port 11084, len 44
2020-07-07 18:31:29
122.51.41.109 attackspam
Jul  7 09:16:40 ns392434 sshd[3001]: Invalid user testserver from 122.51.41.109 port 37240
Jul  7 09:16:40 ns392434 sshd[3001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.41.109
Jul  7 09:16:40 ns392434 sshd[3001]: Invalid user testserver from 122.51.41.109 port 37240
Jul  7 09:16:42 ns392434 sshd[3001]: Failed password for invalid user testserver from 122.51.41.109 port 37240 ssh2
Jul  7 09:37:37 ns392434 sshd[3166]: Invalid user ts3user from 122.51.41.109 port 49072
Jul  7 09:37:37 ns392434 sshd[3166]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.41.109
Jul  7 09:37:37 ns392434 sshd[3166]: Invalid user ts3user from 122.51.41.109 port 49072
Jul  7 09:37:39 ns392434 sshd[3166]: Failed password for invalid user ts3user from 122.51.41.109 port 49072 ssh2
Jul  7 09:41:57 ns392434 sshd[3308]: Invalid user gcl from 122.51.41.109 port 37510
2020-07-07 18:32:44

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