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 <<>> 104.21.54.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4273
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.72.			IN	A

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

;; Query time: 41 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:09:39 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 72.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 72.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
112.85.42.89 attackbotsspam
Aug 21 10:41:15 dhoomketu sshd[2538929]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.89  user=root
Aug 21 10:41:18 dhoomketu sshd[2538929]: Failed password for root from 112.85.42.89 port 38664 ssh2
Aug 21 10:41:15 dhoomketu sshd[2538929]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.89  user=root
Aug 21 10:41:18 dhoomketu sshd[2538929]: Failed password for root from 112.85.42.89 port 38664 ssh2
Aug 21 10:41:21 dhoomketu sshd[2538929]: Failed password for root from 112.85.42.89 port 38664 ssh2
...
2020-08-21 13:14:55
172.81.227.243 attack
Aug 21 06:59:35 ip106 sshd[31266]: Failed password for root from 172.81.227.243 port 59510 ssh2
...
2020-08-21 13:05:22
51.91.8.222 attackbotsspam
2020-08-21T06:16:27.859965galaxy.wi.uni-potsdam.de sshd[22982]: Invalid user jenkins from 51.91.8.222 port 52624
2020-08-21T06:16:27.861988galaxy.wi.uni-potsdam.de sshd[22982]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.ip-51-91-8.eu
2020-08-21T06:16:27.859965galaxy.wi.uni-potsdam.de sshd[22982]: Invalid user jenkins from 51.91.8.222 port 52624
2020-08-21T06:16:29.679025galaxy.wi.uni-potsdam.de sshd[22982]: Failed password for invalid user jenkins from 51.91.8.222 port 52624 ssh2
2020-08-21T06:18:57.498924galaxy.wi.uni-potsdam.de sshd[23271]: Invalid user testuser from 51.91.8.222 port 38106
2020-08-21T06:18:57.501212galaxy.wi.uni-potsdam.de sshd[23271]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.ip-51-91-8.eu
2020-08-21T06:18:57.498924galaxy.wi.uni-potsdam.de sshd[23271]: Invalid user testuser from 51.91.8.222 port 38106
2020-08-21T06:18:59.271405galaxy.wi.uni-potsdam.de sshd[23271]: Fail
...
2020-08-21 12:46:43
198.179.102.234 attackspam
Invalid user m1 from 198.179.102.234 port 33774
2020-08-21 13:15:48
51.178.78.153 attack
Unauthorized connection attempt from IP address 51.178.78.153 on Port 3306(MYSQL)
2020-08-21 13:03:57
112.85.42.194 attackbots
Aug 21 08:00:13 ift sshd\[8904\]: Failed password for root from 112.85.42.194 port 48039 ssh2Aug 21 08:00:15 ift sshd\[8904\]: Failed password for root from 112.85.42.194 port 48039 ssh2Aug 21 08:00:18 ift sshd\[8904\]: Failed password for root from 112.85.42.194 port 48039 ssh2Aug 21 08:03:17 ift sshd\[9371\]: Failed password for root from 112.85.42.194 port 32913 ssh2Aug 21 08:04:21 ift sshd\[9427\]: Failed password for root from 112.85.42.194 port 18194 ssh2
...
2020-08-21 13:06:47
49.228.10.84 attackspambots
Automatic report - XMLRPC Attack
2020-08-21 12:48:55
58.228.159.253 attack
2020-08-20 10:19:14 Reject access to port(s):3389 2 times a day
2020-08-21 13:13:37
219.147.85.166 attack
SMB Server BruteForce Attack
2020-08-21 12:39:00
161.35.6.255 attackspam
Invalid user hayes from 161.35.6.255 port 46100
2020-08-21 13:14:01
14.250.42.97 attackspambots
1597982366 - 08/21/2020 05:59:26 Host: 14.250.42.97/14.250.42.97 Port: 445 TCP Blocked
2020-08-21 12:38:41
45.227.255.4 attackbotsspam
2020-08-20 23:23:54.500309-0500  localhost sshd[60073]: Failed password for invalid user admin from 45.227.255.4 port 42357 ssh2
2020-08-21 12:49:12
51.38.129.74 attackbots
Aug 21 07:00:06 ip106 sshd[31417]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.129.74 
Aug 21 07:00:08 ip106 sshd[31417]: Failed password for invalid user garrysmod from 51.38.129.74 port 50198 ssh2
...
2020-08-21 13:01:51
129.226.179.238 attack
Aug 21 09:28:44 gw1 sshd[24438]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.179.238
Aug 21 09:28:46 gw1 sshd[24438]: Failed password for invalid user keshav from 129.226.179.238 port 47938 ssh2
...
2020-08-21 12:50:27
197.34.143.117 attack
Port probing on unauthorized port 23
2020-08-21 13:07:24

Recently Reported IPs

104.21.54.70 104.21.54.73 104.21.54.74 104.21.54.75
104.21.54.77 104.21.54.78 104.21.54.79 104.21.54.82
104.21.54.83 104.21.54.85 104.21.54.88 241.146.26.137
104.21.54.89 104.21.54.94 104.21.54.95 104.21.54.97
104.21.55.102 104.21.55.106 104.21.55.107 104.21.55.108