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 <<>> 104.21.52.156
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54681
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.156.			IN	A

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

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:34:27 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 156.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 156.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.30.167 attackspam
03/06/2020-01:22:17.002500 222.186.30.167 Protocol: 6 ET SCAN Potential SSH Scan
2020-03-06 14:38:08
121.182.166.81 attackspambots
Mar  6 05:48:00 MainVPS sshd[3023]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.182.166.81  user=root
Mar  6 05:48:02 MainVPS sshd[3023]: Failed password for root from 121.182.166.81 port 14116 ssh2
Mar  6 05:52:54 MainVPS sshd[12886]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.182.166.81  user=root
Mar  6 05:52:56 MainVPS sshd[12886]: Failed password for root from 121.182.166.81 port 31439 ssh2
Mar  6 05:57:48 MainVPS sshd[21940]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.182.166.81  user=root
Mar  6 05:57:50 MainVPS sshd[21940]: Failed password for root from 121.182.166.81 port 48764 ssh2
...
2020-03-06 14:29:38
106.13.103.128 attackbots
(sshd) Failed SSH login from 106.13.103.128 (CN/China/-): 5 in the last 3600 secs
2020-03-06 14:23:49
212.64.54.49 attack
Mar  5 20:02:40 web1 sshd\[31320\]: Invalid user testftp from 212.64.54.49
Mar  5 20:02:40 web1 sshd\[31320\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.54.49
Mar  5 20:02:41 web1 sshd\[31320\]: Failed password for invalid user testftp from 212.64.54.49 port 43708 ssh2
Mar  5 20:08:30 web1 sshd\[31826\]: Invalid user sinus from 212.64.54.49
Mar  5 20:08:30 web1 sshd\[31826\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.54.49
2020-03-06 14:17:32
180.183.237.59 attackbots
1583470663 - 03/06/2020 05:57:43 Host: 180.183.237.59/180.183.237.59 Port: 445 TCP Blocked
2020-03-06 14:35:32
149.56.225.158 attack
Brute force attack against VPN service
2020-03-06 14:20:01
175.139.108.251 attackbots
Brute-force attempt banned
2020-03-06 14:07:08
118.160.89.21 attackspambots
firewall-block, port(s): 23/tcp
2020-03-06 14:22:14
93.171.136.161 attackspambots
SMB Server BruteForce Attack
2020-03-06 14:44:42
37.114.190.77 attack
20/3/5@23:57:52: FAIL: IoT-SSH address from=37.114.190.77
...
2020-03-06 14:28:52
106.13.167.62 attack
Mar  6 07:49:41 server sshd\[27694\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.167.62  user=root
Mar  6 07:49:43 server sshd\[27694\]: Failed password for root from 106.13.167.62 port 53484 ssh2
Mar  6 07:58:28 server sshd\[29316\]: Invalid user postgres from 106.13.167.62
Mar  6 07:58:28 server sshd\[29316\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.167.62 
Mar  6 07:58:30 server sshd\[29316\]: Failed password for invalid user postgres from 106.13.167.62 port 54270 ssh2
...
2020-03-06 14:02:09
206.189.132.51 attackbots
Mar  6 07:06:28 lnxweb62 sshd[3559]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.132.51
2020-03-06 14:44:15
51.38.186.47 attackbots
Mar  5 18:49:59 hanapaa sshd\[9227\]: Invalid user osman from 51.38.186.47
Mar  5 18:49:59 hanapaa sshd\[9227\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=47.ip-51-38-186.eu
Mar  5 18:50:01 hanapaa sshd\[9227\]: Failed password for invalid user osman from 51.38.186.47 port 51950 ssh2
Mar  5 18:57:46 hanapaa sshd\[9817\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=47.ip-51-38-186.eu  user=root
Mar  5 18:57:48 hanapaa sshd\[9817\]: Failed password for root from 51.38.186.47 port 56626 ssh2
2020-03-06 14:33:01
104.217.86.130 attackspambots
2020-03-06T04:58:04.628604homeassistant sshd[29157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.217.86.130  user=root
2020-03-06T04:58:06.423918homeassistant sshd[29157]: Failed password for root from 104.217.86.130 port 39290 ssh2
...
2020-03-06 14:16:07
119.29.227.108 attack
DATE:2020-03-06 05:58:10, IP:119.29.227.108, PORT:ssh SSH brute force auth (docker-dc)
2020-03-06 14:14:34

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