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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.72.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49221
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.52.			IN	A

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

;; Query time: 26 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:51:21 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 52.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 52.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
157.230.248.89 attack
157.230.248.89 - - [29/Jul/2020:11:05:10 +0200] "GET /wp-login.php HTTP/1.1" 200 6060 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
157.230.248.89 - - [29/Jul/2020:11:05:17 +0200] "POST /wp-login.php HTTP/1.1" 200 6311 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
157.230.248.89 - - [29/Jul/2020:11:05:18 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-07-29 17:06:33
182.61.21.200 attackbots
Jul 29 05:51:39 mellenthin sshd[16831]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.21.200
Jul 29 05:51:41 mellenthin sshd[16831]: Failed password for invalid user wuwei from 182.61.21.200 port 59368 ssh2
2020-07-29 17:10:24
35.200.185.127 attack
$f2bV_matches
2020-07-29 17:04:05
106.13.86.54 attackbotsspam
Jul 29 02:58:37 firewall sshd[747]: Invalid user zoumin from 106.13.86.54
Jul 29 02:58:40 firewall sshd[747]: Failed password for invalid user zoumin from 106.13.86.54 port 59822 ssh2
Jul 29 03:01:30 firewall sshd[795]: Invalid user juntian from 106.13.86.54
...
2020-07-29 17:15:30
51.38.65.208 attackbotsspam
Jul 29 14:11:45 gw1 sshd[8900]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.65.208
Jul 29 14:11:46 gw1 sshd[8900]: Failed password for invalid user shoukang from 51.38.65.208 port 33010 ssh2
...
2020-07-29 17:18:57
208.181.41.155 attackbotsspam
Jul 29 13:31:55 itv-usvr-01 sshd[27810]: Invalid user ekp from 208.181.41.155
Jul 29 13:31:55 itv-usvr-01 sshd[27810]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=208.181.41.155
Jul 29 13:31:55 itv-usvr-01 sshd[27810]: Invalid user ekp from 208.181.41.155
Jul 29 13:31:58 itv-usvr-01 sshd[27810]: Failed password for invalid user ekp from 208.181.41.155 port 33924 ssh2
Jul 29 13:34:55 itv-usvr-01 sshd[27940]: Invalid user kalao from 208.181.41.155
2020-07-29 16:57:03
192.35.168.211 attackbotsspam
Fail2Ban Ban Triggered
2020-07-29 17:29:20
91.121.91.82 attackspam
Jul 29 05:24:11 firewall sshd[3951]: Invalid user bjorntko_loc from 91.121.91.82
Jul 29 05:24:14 firewall sshd[3951]: Failed password for invalid user bjorntko_loc from 91.121.91.82 port 50584 ssh2
Jul 29 05:28:02 firewall sshd[4051]: Invalid user changlc from 91.121.91.82
...
2020-07-29 17:17:38
106.75.156.107 attackspam
Jul 29 09:53:00 havingfunrightnow sshd[29749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.156.107 
Jul 29 09:53:02 havingfunrightnow sshd[29749]: Failed password for invalid user dell from 106.75.156.107 port 56656 ssh2
Jul 29 10:09:59 havingfunrightnow sshd[30182]: Failed password for root from 106.75.156.107 port 39794 ssh2
...
2020-07-29 17:17:13
189.125.102.208 attackbotsspam
Jul 29 04:05:18 lanister sshd[31081]: Invalid user bxb from 189.125.102.208
Jul 29 04:05:18 lanister sshd[31081]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.125.102.208
Jul 29 04:05:18 lanister sshd[31081]: Invalid user bxb from 189.125.102.208
Jul 29 04:05:20 lanister sshd[31081]: Failed password for invalid user bxb from 189.125.102.208 port 35143 ssh2
2020-07-29 17:17:52
139.198.191.217 attackspambots
Jul 29 06:06:41 santamaria sshd\[28267\]: Invalid user hujingru from 139.198.191.217
Jul 29 06:06:41 santamaria sshd\[28267\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.198.191.217
Jul 29 06:06:43 santamaria sshd\[28267\]: Failed password for invalid user hujingru from 139.198.191.217 port 38904 ssh2
...
2020-07-29 17:26:39
139.198.122.76 attackbotsspam
Jul 29 03:59:55 lanister sshd[30986]: Invalid user bran from 139.198.122.76
Jul 29 03:59:55 lanister sshd[30986]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.198.122.76
Jul 29 03:59:55 lanister sshd[30986]: Invalid user bran from 139.198.122.76
Jul 29 03:59:57 lanister sshd[30986]: Failed password for invalid user bran from 139.198.122.76 port 35076 ssh2
2020-07-29 17:21:08
54.71.115.235 attack
Automatic report - XMLRPC Attack
2020-07-29 16:57:53
185.176.27.54 attackbots
07/29/2020-04:57:48.348432 185.176.27.54 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-07-29 17:06:13
187.16.96.35 attackspam
k+ssh-bruteforce
2020-07-29 17:23:58

Recently Reported IPs

104.21.72.51 104.21.72.58 104.21.72.56 104.21.72.61
104.21.72.62 104.21.72.65 104.21.72.60 104.21.72.64
104.21.72.63 104.21.72.67 104.21.72.69 104.21.72.71
104.21.72.66 104.21.72.72 104.21.72.70 104.21.72.73
104.21.72.74 104.21.72.78 104.21.72.76 104.21.72.75