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 <<>> 104.21.72.221
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 27192
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.221.			IN	A

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

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:51:02 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 221.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 221.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.154.147.52 attackspambots
2020-07-30T19:37:11.332707v22018076590370373 sshd[18072]: Invalid user suse-ncc from 104.154.147.52 port 59901
2020-07-30T19:37:11.340685v22018076590370373 sshd[18072]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.154.147.52
2020-07-30T19:37:11.332707v22018076590370373 sshd[18072]: Invalid user suse-ncc from 104.154.147.52 port 59901
2020-07-30T19:37:13.029337v22018076590370373 sshd[18072]: Failed password for invalid user suse-ncc from 104.154.147.52 port 59901 ssh2
2020-07-30T19:40:48.519269v22018076590370373 sshd[1237]: Invalid user lingna from 104.154.147.52 port 37324
...
2020-07-31 03:28:51
49.146.37.176 attackbotsspam
Unauthorized connection attempt from IP address 49.146.37.176 on Port 445(SMB)
2020-07-31 03:36:14
159.89.145.59 attackbotsspam
Repeated brute force against a port
2020-07-31 03:43:01
203.130.3.27 attack
Unauthorized connection attempt from IP address 203.130.3.27 on Port 445(SMB)
2020-07-31 03:37:44
112.133.236.6 attack
Unauthorized connection attempt from IP address 112.133.236.6 on Port 445(SMB)
2020-07-31 03:35:15
140.227.187.103 attackbots
Unauthorized connection attempt from IP address 140.227.187.103 on Port 445(SMB)
2020-07-31 03:50:45
49.145.131.32 attackbotsspam
Unauthorized connection attempt from IP address 49.145.131.32 on Port 445(SMB)
2020-07-31 03:38:57
186.176.252.54 attackspambots
186.176.252.54 - - [30/Jul/2020:14:29:43 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
186.176.252.54 - - [30/Jul/2020:14:29:44 +0100] "POST /wp-login.php HTTP/1.1" 200 5871 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
186.176.252.54 - - [30/Jul/2020:14:30:44 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
...
2020-07-31 03:21:55
192.99.4.145 attack
Jul 30 21:32:08 buvik sshd[7800]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.4.145
Jul 30 21:32:10 buvik sshd[7800]: Failed password for invalid user nxroot from 192.99.4.145 port 33022 ssh2
Jul 30 21:38:06 buvik sshd[8649]: Invalid user zhongyan from 192.99.4.145
...
2020-07-31 03:42:34
61.177.172.159 attack
[ssh] SSH attack
2020-07-31 03:52:33
180.116.1.135 attackspambots
Jul 30 13:59:37 h2040555 sshd[21031]: Invalid user admin from 180.116.1.135
Jul 30 13:59:38 h2040555 sshd[21031]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.116.1.135 
Jul 30 13:59:40 h2040555 sshd[21031]: Failed password for invalid user admin from 180.116.1.135 port 45135 ssh2
Jul 30 13:59:40 h2040555 sshd[21031]: Received disconnect from 180.116.1.135: 11: Bye Bye [preauth]
Jul 30 13:59:46 h2040555 sshd[21033]: Invalid user admin from 180.116.1.135
Jul 30 13:59:46 h2040555 sshd[21033]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.116.1.135 


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=180.116.1.135
2020-07-31 03:44:12
134.209.149.64 attackbots
Jul 30 12:03:35 *** sshd[16049]: Invalid user wzx from 134.209.149.64
2020-07-31 03:28:08
107.187.122.10 attackspambots
(sshd) Failed SSH login from 107.187.122.10 (US/United States/noreverse.122.187.107.in-addr.arpa): 3 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD
2020-07-31 03:32:59
40.77.167.38 attackbotsspam
$f2bV_matches
2020-07-31 03:48:23
49.234.50.247 attackbotsspam
Jul 30 16:06:09 *hidden* sshd[35843]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.50.247 Jul 30 16:06:11 *hidden* sshd[35843]: Failed password for invalid user grj from 49.234.50.247 port 41216 ssh2 Jul 30 16:11:41 *hidden* sshd[36714]: Invalid user zhanghaiyang from 49.234.50.247 port 41350
2020-07-31 03:54:01

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