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 <<>> 104.21.47.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37408
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.47.54.			IN	A

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

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:32:38 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 54.47.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.47.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
189.103.85.27 attackspam
"Fail2Ban detected SSH brute force attempt"
2020-01-09 07:33:28
88.228.146.176 attackspam
" "
2020-01-09 07:34:09
188.2.120.213 attackbots
Jan  8 22:09:54 vps670341 sshd[9403]: Invalid user test from 188.2.120.213 port 53372
2020-01-09 06:58:51
181.174.102.173 attackspam
Unauthorized connection attempt detected from IP address 181.174.102.173 to port 445
2020-01-09 07:09:45
106.12.199.74 attack
Jan  8 18:09:07 ws19vmsma01 sshd[66136]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.199.74
Jan  8 18:09:10 ws19vmsma01 sshd[66136]: Failed password for invalid user vqf from 106.12.199.74 port 35732 ssh2
...
2020-01-09 07:20:49
31.27.38.242 attackbotsspam
Jan  8 23:51:42 MK-Soft-VM8 sshd[20212]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.27.38.242 
Jan  8 23:51:44 MK-Soft-VM8 sshd[20212]: Failed password for invalid user ftpuser from 31.27.38.242 port 49034 ssh2
...
2020-01-09 07:01:45
119.29.135.216 attackspambots
Automatic report - Banned IP Access
2020-01-09 06:59:22
46.38.144.57 attack
Jan  8 23:56:38 relay postfix/smtpd\[31693\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  8 23:57:49 relay postfix/smtpd\[8294\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  8 23:58:03 relay postfix/smtpd\[31693\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  8 23:59:16 relay postfix/smtpd\[10968\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  8 23:59:34 relay postfix/smtpd\[31693\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-01-09 07:14:52
173.212.245.177 attack
st-nyc1-01 recorded 3 login violations from 173.212.245.177 and was blocked at 2020-01-08 23:14:34. 173.212.245.177 has been blocked on 20 previous occasions. 173.212.245.177's first attempt was recorded at 2020-01-08 18:00:15
2020-01-09 07:15:09
162.243.238.171 attack
Jan  8 23:55:24 localhost sshd\[18778\]: Invalid user test from 162.243.238.171 port 53412
Jan  8 23:55:24 localhost sshd\[18778\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.238.171
Jan  8 23:55:26 localhost sshd\[18778\]: Failed password for invalid user test from 162.243.238.171 port 53412 ssh2
2020-01-09 07:06:15
185.176.27.54 attackspam
01/08/2020-17:52:57.705364 185.176.27.54 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-01-09 07:11:01
49.234.64.252 attack
Jan  8 12:41:09 web9 sshd\[18869\]: Invalid user xio from 49.234.64.252
Jan  8 12:41:09 web9 sshd\[18869\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.64.252
Jan  8 12:41:11 web9 sshd\[18869\]: Failed password for invalid user xio from 49.234.64.252 port 56588 ssh2
Jan  8 12:43:55 web9 sshd\[19299\]: Invalid user monitor from 49.234.64.252
Jan  8 12:43:55 web9 sshd\[19299\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.64.252
2020-01-09 07:01:18
37.49.231.101 attackbots
Jan  9 00:05:03 silence02 sshd[14215]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.231.101
Jan  9 00:05:05 silence02 sshd[14215]: Failed password for invalid user svn from 37.49.231.101 port 33402 ssh2
Jan  9 00:08:34 silence02 sshd[15589]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.231.101
2020-01-09 07:16:35
197.52.152.179 attackspam
Lines containing failures of 197.52.152.179
Jan  8 22:21:23 MAKserver05 sshd[7994]: Invalid user test from 197.52.152.179 port 50795
Jan  8 22:21:23 MAKserver05 sshd[7994]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.52.152.179 
Jan  8 22:21:25 MAKserver05 sshd[7994]: Failed password for invalid user test from 197.52.152.179 port 50795 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=197.52.152.179
2020-01-09 07:02:14
201.220.153.10 attack
Automatic report - Port Scan Attack
2020-01-09 06:56:36

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