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 <<>> 104.21.66.203
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19394
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.203.			IN	A

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

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:01:42 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 203.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 203.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
2.187.216.103 attack
Unauthorized connection attempt from IP address 2.187.216.103 on Port 445(SMB)
2019-11-29 08:29:33
45.133.18.243 attackspam
TCP Port Scanning
2019-11-29 08:07:45
106.54.25.86 attackspambots
Automatic report - SSH Brute-Force Attack
2019-11-29 08:28:25
115.159.116.217 attackspambots
Unauthorized connection attempt from IP address 115.159.116.217 on Port 445(SMB)
2019-11-29 08:05:42
88.202.190.142 attackspambots
3389BruteforceFW23
2019-11-29 08:24:40
179.124.34.8 attack
2019-11-29T00:48:00.637103vps751288.ovh.net sshd\[4062\]: Invalid user escalante from 179.124.34.8 port 41938
2019-11-29T00:48:00.650137vps751288.ovh.net sshd\[4062\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.124.34.8
2019-11-29T00:48:03.013155vps751288.ovh.net sshd\[4062\]: Failed password for invalid user escalante from 179.124.34.8 port 41938 ssh2
2019-11-29T00:51:47.147992vps751288.ovh.net sshd\[4066\]: Invalid user wwwadmin from 179.124.34.8 port 59968
2019-11-29T00:51:47.157701vps751288.ovh.net sshd\[4066\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.124.34.8
2019-11-29 08:01:47
1.201.140.126 attackbotsspam
Nov 29 02:34:39 hosting sshd[4832]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.201.140.126  user=root
Nov 29 02:34:42 hosting sshd[4832]: Failed password for root from 1.201.140.126 port 52514 ssh2
...
2019-11-29 08:12:12
36.75.91.69 attackspambots
Unauthorized connection attempt from IP address 36.75.91.69 on Port 445(SMB)
2019-11-29 08:15:43
183.82.123.14 attackspambots
Unauthorized connection attempt from IP address 183.82.123.14 on Port 445(SMB)
2019-11-29 08:23:08
103.80.36.34 attackbotsspam
Nov 28 14:12:32 php1 sshd\[30107\]: Invalid user beluginy from 103.80.36.34
Nov 28 14:12:32 php1 sshd\[30107\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.36.34
Nov 28 14:12:34 php1 sshd\[30107\]: Failed password for invalid user beluginy from 103.80.36.34 port 42352 ssh2
Nov 28 14:16:30 php1 sshd\[30537\]: Invalid user fishing from 103.80.36.34
Nov 28 14:16:30 php1 sshd\[30537\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.80.36.34
2019-11-29 08:17:59
182.151.200.158 attackspam
Unauthorized connection attempt from IP address 182.151.200.158 on Port 445(SMB)
2019-11-29 07:53:29
106.13.186.127 attackspam
Nov 28 23:05:27 zx01vmsma01 sshd[91317]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.186.127
Nov 28 23:05:29 zx01vmsma01 sshd[91317]: Failed password for invalid user demetrios from 106.13.186.127 port 53096 ssh2
...
2019-11-29 08:14:43
180.183.20.129 attackbotsspam
Unauthorized connection attempt from IP address 180.183.20.129 on Port 445(SMB)
2019-11-29 07:54:48
115.159.88.192 attackspam
2019-11-28T23:21:31.000609abusebot-3.cloudsearch.cf sshd\[6060\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.88.192  user=root
2019-11-29 08:11:13
106.75.64.239 attack
Nov 29 01:48:09 server sshd\[5164\]: Invalid user polycom from 106.75.64.239 port 55666
Nov 29 01:48:09 server sshd\[5164\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.64.239
Nov 29 01:48:12 server sshd\[5164\]: Failed password for invalid user polycom from 106.75.64.239 port 55666 ssh2
Nov 29 01:52:46 server sshd\[23014\]: User root from 106.75.64.239 not allowed because listed in DenyUsers
Nov 29 01:52:46 server sshd\[23014\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.64.239  user=root
2019-11-29 08:13:38

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