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 <<>> 104.21.8.164
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42233
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.8.164.			IN	A

;; AUTHORITY SECTION:
.			541	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:59:42 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 164.8.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 164.8.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
142.93.92.232 attackbots
Sep  5 21:02:42 v22019058497090703 sshd[22763]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.92.232
Sep  5 21:02:45 v22019058497090703 sshd[22763]: Failed password for invalid user sysadmin from 142.93.92.232 port 59436 ssh2
Sep  5 21:06:49 v22019058497090703 sshd[23047]: Failed password for nagios from 142.93.92.232 port 48356 ssh2
...
2019-09-06 06:58:43
89.223.27.66 attackbots
Sep  5 12:00:00 web1 sshd\[23597\]: Invalid user tomas from 89.223.27.66
Sep  5 12:00:00 web1 sshd\[23597\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.223.27.66
Sep  5 12:00:02 web1 sshd\[23597\]: Failed password for invalid user tomas from 89.223.27.66 port 38766 ssh2
Sep  5 12:04:10 web1 sshd\[23972\]: Invalid user myftp from 89.223.27.66
Sep  5 12:04:10 web1 sshd\[23972\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.223.27.66
2019-09-06 06:29:32
137.74.159.147 attackbots
Sep  5 12:31:07 friendsofhawaii sshd\[28745\]: Invalid user tomcat from 137.74.159.147
Sep  5 12:31:07 friendsofhawaii sshd\[28745\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=sonar.terratex.eu
Sep  5 12:31:10 friendsofhawaii sshd\[28745\]: Failed password for invalid user tomcat from 137.74.159.147 port 49108 ssh2
Sep  5 12:35:37 friendsofhawaii sshd\[29140\]: Invalid user sinusbot from 137.74.159.147
Sep  5 12:35:37 friendsofhawaii sshd\[29140\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=sonar.terratex.eu
2019-09-06 06:43:40
103.65.194.5 attack
Sep  5 19:07:08 thevastnessof sshd[326]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.65.194.5
...
2019-09-06 06:48:09
218.98.26.183 attackspam
19/9/5@18:10:35: FAIL: IoT-SSH address from=218.98.26.183
...
2019-09-06 06:21:35
31.154.16.105 attack
Sep  5 22:37:30 MK-Soft-VM4 sshd\[5187\]: Invalid user testing from 31.154.16.105 port 57352
Sep  5 22:37:30 MK-Soft-VM4 sshd\[5187\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.154.16.105
Sep  5 22:37:32 MK-Soft-VM4 sshd\[5187\]: Failed password for invalid user testing from 31.154.16.105 port 57352 ssh2
...
2019-09-06 06:44:40
187.122.102.4 attackspambots
Sep  5 22:12:04 localhost sshd\[75935\]: Invalid user support from 187.122.102.4 port 38490
Sep  5 22:12:04 localhost sshd\[75935\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.122.102.4
Sep  5 22:12:06 localhost sshd\[75935\]: Failed password for invalid user support from 187.122.102.4 port 38490 ssh2
Sep  5 22:19:38 localhost sshd\[76183\]: Invalid user postgres from 187.122.102.4 port 60766
Sep  5 22:19:38 localhost sshd\[76183\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.122.102.4
...
2019-09-06 06:23:39
82.102.173.72 attackbots
Portscan or hack attempt detected by psad/fwsnort
2019-09-06 06:48:30
203.110.179.26 attackspambots
Sep  6 00:34:16 tux-35-217 sshd\[5337\]: Invalid user webmaster from 203.110.179.26 port 45256
Sep  6 00:34:16 tux-35-217 sshd\[5337\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.110.179.26
Sep  6 00:34:18 tux-35-217 sshd\[5337\]: Failed password for invalid user webmaster from 203.110.179.26 port 45256 ssh2
Sep  6 00:37:57 tux-35-217 sshd\[5377\]: Invalid user test from 203.110.179.26 port 60386
Sep  6 00:37:57 tux-35-217 sshd\[5377\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.110.179.26
...
2019-09-06 06:58:08
106.53.72.119 attack
Sep  3 09:14:59 mail sshd[26924]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.72.119  user=r.r
Sep  3 09:15:01 mail sshd[26924]: Failed password for r.r from 106.53.72.119 port 38082 ssh2
Sep  3 09:15:01 mail sshd[26924]: Received disconnect from 106.53.72.119: 11: Bye Bye [preauth]
Sep  3 09:44:51 mail sshd[27571]: Failed password for invalid user zabbix from 106.53.72.119 port 44724 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.53.72.119
2019-09-06 07:00:02
103.205.68.2 attack
$f2bV_matches
2019-09-06 06:39:43
218.98.26.182 attack
Sep  5 12:17:15 php1 sshd\[29017\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.98.26.182  user=root
Sep  5 12:17:16 php1 sshd\[29017\]: Failed password for root from 218.98.26.182 port 11379 ssh2
Sep  5 12:17:19 php1 sshd\[29017\]: Failed password for root from 218.98.26.182 port 11379 ssh2
Sep  5 12:17:21 php1 sshd\[29017\]: Failed password for root from 218.98.26.182 port 11379 ssh2
Sep  5 12:17:23 php1 sshd\[29040\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.98.26.182  user=root
2019-09-06 06:18:47
223.71.240.230 attackbots
DATE:2019-09-06 00:12:13, IP:223.71.240.230, PORT:ssh SSH brute force auth (ermes)
2019-09-06 06:27:00
68.183.110.49 attackbots
Sep  5 22:06:52 hosting sshd[3006]: Invalid user test from 68.183.110.49 port 57154
...
2019-09-06 06:56:43
132.232.19.182 attackspam
Sep  5 22:37:37 server sshd\[28720\]: Invalid user plex from 132.232.19.182 port 53964
Sep  5 22:37:37 server sshd\[28720\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.19.182
Sep  5 22:37:39 server sshd\[28720\]: Failed password for invalid user plex from 132.232.19.182 port 53964 ssh2
Sep  5 22:42:17 server sshd\[3929\]: Invalid user user from 132.232.19.182 port 42132
Sep  5 22:42:17 server sshd\[3929\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.19.182
2019-09-06 07:01:49

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