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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.52.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 34775
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.73.			IN	A

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

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:53:07 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 73.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.55.9.175 attackbotsspam
Bruteforce detected by fail2ban
2020-07-09 04:31:48
150.109.22.143 attackbots
Jul  8 22:13:57 sticky sshd\[3544\]: Invalid user ftpadmin1 from 150.109.22.143 port 54714
Jul  8 22:13:57 sticky sshd\[3544\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.22.143
Jul  8 22:13:58 sticky sshd\[3544\]: Failed password for invalid user ftpadmin1 from 150.109.22.143 port 54714 ssh2
Jul  8 22:17:50 sticky sshd\[3586\]: Invalid user murali from 150.109.22.143 port 52740
Jul  8 22:17:50 sticky sshd\[3586\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.22.143
2020-07-09 04:27:04
177.1.213.19 attackspam
Jul  8 20:16:39 onepixel sshd[727965]: Invalid user src from 177.1.213.19 port 65067
Jul  8 20:16:39 onepixel sshd[727965]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.1.213.19 
Jul  8 20:16:39 onepixel sshd[727965]: Invalid user src from 177.1.213.19 port 65067
Jul  8 20:16:41 onepixel sshd[727965]: Failed password for invalid user src from 177.1.213.19 port 65067 ssh2
Jul  8 20:19:00 onepixel sshd[729242]: Invalid user viki from 177.1.213.19 port 17865
2020-07-09 04:29:35
222.186.15.115 attackbots
SSH authentication failure x 6 reported by Fail2Ban
...
2020-07-09 04:32:47
185.143.72.23 attackbotsspam
Jul  8 21:42:39 websrv1.derweidener.de postfix/smtpd[980175]: warning: unknown[185.143.72.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 21:43:14 websrv1.derweidener.de postfix/smtpd[980175]: warning: unknown[185.143.72.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 21:43:46 websrv1.derweidener.de postfix/smtpd[981676]: warning: unknown[185.143.72.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 21:44:19 websrv1.derweidener.de postfix/smtpd[981670]: warning: unknown[185.143.72.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 21:44:51 websrv1.derweidener.de postfix/smtpd[981676]: warning: unknown[185.143.72.23]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-07-09 04:05:50
92.239.176.230 attackbotsspam
Jul  8 22:32:24 backup sshd[15993]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.239.176.230 
Jul  8 22:32:26 backup sshd[15993]: Failed password for invalid user admin from 92.239.176.230 port 52852 ssh2
...
2020-07-09 04:33:05
157.7.44.144 attack
Automatic report - Banned IP Access
2020-07-09 04:11:44
154.8.196.30 attack
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-07-08T19:12:06Z and 2020-07-08T19:14:16Z
2020-07-09 04:01:17
109.165.96.188 attackspam
contact form spam
2020-07-09 04:14:56
111.204.86.194 attack
Jul  8 16:01:15 ny01 sshd[15000]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.204.86.194
Jul  8 16:01:17 ny01 sshd[15000]: Failed password for invalid user xuhengtang from 111.204.86.194 port 42322 ssh2
Jul  8 16:03:08 ny01 sshd[15239]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.204.86.194
2020-07-09 04:09:22
192.241.229.52 attackspam
[Wed Jul 08 12:36:23 2020] - DDoS Attack From IP: 192.241.229.52 Port: 46163
2020-07-09 04:33:16
78.130.137.47 attack
1594238573 - 07/08/2020 22:02:53 Host: 78.130.137.47/78.130.137.47 Port: 445 TCP Blocked
2020-07-09 04:21:11
212.64.60.50 attackbotsspam
5x Failed Password
2020-07-09 04:11:16
197.185.103.93 attackspam
Email Spam
2020-07-09 04:35:28
89.248.168.2 attack
unknown[89.248.168.2]: SASL LOGIN authentication failed
2020-07-09 04:36:27

Recently Reported IPs

104.21.52.70 104.21.52.75 104.21.52.76 104.21.52.8
104.21.52.81 104.21.52.82 104.21.52.83 104.21.52.88
104.21.52.9 104.21.52.90 104.21.52.91 104.21.52.93
104.21.52.96 104.21.52.98 104.21.52.99 104.21.53.10
104.21.53.101 104.21.53.105 234.83.27.40 104.21.53.11