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 <<>> 104.21.39.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42715
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.52.			IN	A

;; AUTHORITY SECTION:
.			504	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 10:05:16 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 52.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 52.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
122.225.89.205 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-01-13 19:32:41
222.186.175.212 attackbots
Jan 13 01:28:47 hanapaa sshd\[2541\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.212  user=root
Jan 13 01:28:49 hanapaa sshd\[2541\]: Failed password for root from 222.186.175.212 port 39696 ssh2
Jan 13 01:28:53 hanapaa sshd\[2541\]: Failed password for root from 222.186.175.212 port 39696 ssh2
Jan 13 01:29:07 hanapaa sshd\[2573\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.212  user=root
Jan 13 01:29:09 hanapaa sshd\[2573\]: Failed password for root from 222.186.175.212 port 31190 ssh2
2020-01-13 19:33:44
124.43.17.89 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-01-13 19:39:38
209.97.175.96 attackspambots
Unauthorized connection attempt detected from IP address 209.97.175.96 to port 2220 [J]
2020-01-13 19:25:26
36.66.67.252 attackbots
Unauthorized connection attempt detected from IP address 36.66.67.252 to port 445
2020-01-13 19:31:15
188.162.185.78 attackbots
Unauthorized connection attempt from IP address 188.162.185.78 on Port 445(SMB)
2020-01-13 19:34:13
129.211.130.37 attack
Jan 13 08:58:19 vps691689 sshd[567]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.130.37
Jan 13 08:58:21 vps691689 sshd[567]: Failed password for invalid user silvan from 129.211.130.37 port 52034 ssh2
...
2020-01-13 19:50:51
194.67.32.78 attackspam
Unauthorized connection attempt from IP address 194.67.32.78 on Port 445(SMB)
2020-01-13 19:20:36
14.186.186.97 attack
SSH Brute Force
2020-01-13 19:50:01
193.106.161.75 attackbots
Unauthorized connection attempt from IP address 193.106.161.75 on Port 445(SMB)
2020-01-13 19:19:07
103.123.250.66 attack
1578890845 - 01/13/2020 05:47:25 Host: 103.123.250.66/103.123.250.66 Port: 445 TCP Blocked
2020-01-13 19:14:50
184.22.91.102 attack
Unauthorized connection attempt detected from IP address 184.22.91.102 to port 2220 [J]
2020-01-13 19:21:50
90.73.144.211 attackspambots
Unauthorized connection attempt detected from IP address 90.73.144.211 to port 2220 [J]
2020-01-13 19:41:33
180.244.232.123 attackspam
Unauthorized connection attempt from IP address 180.244.232.123 on Port 445(SMB)
2020-01-13 19:31:42
112.74.57.31 attackbots
Jan 13 04:22:51 svapp01 sshd[5786]: Failed password for invalid user proba from 112.74.57.31 port 43360 ssh2
Jan 13 04:22:51 svapp01 sshd[5786]: Received disconnect from 112.74.57.31: 11: Normal Shutdown, Thank you for playing [preauth]


........
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https://www.blocklist.de/en/view.html?ip=112.74.57.31
2020-01-13 19:37:24

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