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 <<>> 104.21.72.13
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20936
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.13.			IN	A

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

;; Query time: 111 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:50:29 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 13.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 13.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
37.140.152.228 attack
(mod_security) mod_security (id:210740) triggered by 37.140.152.228 (GB/United Kingdom/37-140-152-228.s.yandex.com): 5 in the last 3600 secs
2020-08-26 18:33:02
49.234.30.113 attack
Aug 26 12:48:47 jane sshd[29577]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.30.113 
Aug 26 12:48:49 jane sshd[29577]: Failed password for invalid user luoyu from 49.234.30.113 port 49127 ssh2
...
2020-08-26 19:02:39
180.180.55.197 attackspam
firewall-block, port(s): 445/tcp
2020-08-26 18:56:52
218.104.225.140 attackbots
Aug 26 12:24:53 cho sshd[1662281]: Invalid user jenkins from 218.104.225.140 port 46382
Aug 26 12:24:53 cho sshd[1662281]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.104.225.140 
Aug 26 12:24:53 cho sshd[1662281]: Invalid user jenkins from 218.104.225.140 port 46382
Aug 26 12:24:55 cho sshd[1662281]: Failed password for invalid user jenkins from 218.104.225.140 port 46382 ssh2
Aug 26 12:28:32 cho sshd[1662468]: Invalid user oracle from 218.104.225.140 port 31246
...
2020-08-26 18:37:44
117.102.82.43 attack
Invalid user coin from 117.102.82.43 port 60992
2020-08-26 18:29:18
13.65.44.234 attackbotsspam
fail2ban
2020-08-26 19:00:29
222.103.131.237 attack
firewall-block, port(s): 9530/tcp
2020-08-26 18:40:12
84.2.226.70 attackbotsspam
bruteforce detected
2020-08-26 18:21:07
122.116.232.83 attack
1598413846 - 08/26/2020 05:50:46 Host: 122.116.232.83/122.116.232.83 Port: 23 TCP Blocked
...
2020-08-26 18:25:29
185.176.27.178 attackbots
[MK-Root1] Blocked by UFW
2020-08-26 18:52:05
37.140.152.225 attackspam
(mod_security) mod_security (id:210740) triggered by 37.140.152.225 (GB/United Kingdom/37-140-152-225.s.yandex.com): 5 in the last 3600 secs
2020-08-26 18:46:16
51.145.242.1 attackspambots
2020-08-26T03:31:01.049697linuxbox-skyline sshd[165987]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.145.242.1  user=root
2020-08-26T03:31:03.018630linuxbox-skyline sshd[165987]: Failed password for root from 51.145.242.1 port 43684 ssh2
...
2020-08-26 18:43:57
217.182.140.117 attack
217.182.140.117 - - [26/Aug/2020:11:42:48 +0100] "POST /wp-login.php HTTP/1.1" 200 1885 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
217.182.140.117 - - [26/Aug/2020:11:42:48 +0100] "POST /wp-login.php HTTP/1.1" 200 1858 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
217.182.140.117 - - [26/Aug/2020:11:42:48 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-26 19:03:26
197.60.239.87 attack
(sshd) Failed SSH login from 197.60.239.87 (EG/Egypt/host-197.60.239.87.tedata.net): 5 in the last 3600 secs
2020-08-26 18:43:26
185.116.5.108 attackspambots
Aug 25 20:58:30 propaganda sshd[56828]: Connection from 185.116.5.108 port 55121 on 10.0.0.161 port 22 rdomain ""
Aug 25 20:58:30 propaganda sshd[56828]: error: kex_exchange_identification: Connection closed by remote host
2020-08-26 18:50:56

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