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 <<>> 104.21.53.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18103
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.72.			IN	A

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

;; Query time: 33 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:26 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 72.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 72.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
159.89.52.205 attack
POST /xmlrpc.php HTTP/1.1
	POST /xmlrpc.php HTTP/1.1
	POST /xmlrpc.php HTTP/1.1
2020-05-09 06:30:25
87.251.74.64 attackbots
May  9 00:21:31 debian-2gb-nbg1-2 kernel: \[11235370.861166\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=87.251.74.64 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=29043 PROTO=TCP SPT=46900 DPT=62753 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-09 06:22:52
141.98.9.137 attackbots
DATE:2020-05-08 23:58:31, IP:141.98.9.137, PORT:ssh SSH brute force auth on honeypot server (epe-honey1-hq)
2020-05-09 06:35:30
5.101.151.82 attackspambots
SSH Invalid Login
2020-05-09 06:27:40
111.229.190.111 attack
May  8 23:05:11 ovpn sshd\[9809\]: Invalid user blab from 111.229.190.111
May  8 23:05:11 ovpn sshd\[9809\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.190.111
May  8 23:05:12 ovpn sshd\[9809\]: Failed password for invalid user blab from 111.229.190.111 port 46144 ssh2
May  8 23:09:47 ovpn sshd\[10838\]: Invalid user admin from 111.229.190.111
May  8 23:09:47 ovpn sshd\[10838\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.190.111
2020-05-09 06:27:26
177.11.44.222 attack
Port probing on unauthorized port 23
2020-05-09 06:56:13
14.164.48.150 attack
May  9 03:49:01 webhost01 sshd[10358]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.164.48.150
May  9 03:49:03 webhost01 sshd[10358]: Failed password for invalid user user from 14.164.48.150 port 59624 ssh2
...
2020-05-09 06:34:25
78.38.29.72 attackspambots
Port probing on unauthorized port 8080
2020-05-09 06:33:31
51.79.69.137 attackbots
May  9 00:05:09 server sshd[11022]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.79.69.137
May  9 00:05:11 server sshd[11022]: Failed password for invalid user test from 51.79.69.137 port 50186 ssh2
May  9 00:08:04 server sshd[11141]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.79.69.137
...
2020-05-09 06:22:01
116.247.81.99 attackbotsspam
May  9 05:14:36 webhost01 sshd[11389]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.247.81.99
May  9 05:14:37 webhost01 sshd[11389]: Failed password for invalid user hpsmh from 116.247.81.99 port 36924 ssh2
...
2020-05-09 06:21:31
222.186.15.62 attack
May  8 22:47:53 localhost sshd[5939]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
May  8 22:47:55 localhost sshd[5939]: Failed password for root from 222.186.15.62 port 24535 ssh2
May  8 22:47:57 localhost sshd[5939]: Failed password for root from 222.186.15.62 port 24535 ssh2
May  8 22:47:53 localhost sshd[5939]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
May  8 22:47:55 localhost sshd[5939]: Failed password for root from 222.186.15.62 port 24535 ssh2
May  8 22:47:57 localhost sshd[5939]: Failed password for root from 222.186.15.62 port 24535 ssh2
May  8 22:47:53 localhost sshd[5939]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
May  8 22:47:55 localhost sshd[5939]: Failed password for root from 222.186.15.62 port 24535 ssh2
May  8 22:47:57 localhost sshd[5939]: Failed password for
...
2020-05-09 06:49:40
210.245.34.243 attackspam
SSH Invalid Login
2020-05-09 06:55:25
180.242.182.89 attack
May  8 22:49:06 srv206 sshd[15230]: Invalid user dircreate from 180.242.182.89
May  8 22:49:06 srv206 sshd[15230]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.242.182.89
May  8 22:49:06 srv206 sshd[15230]: Invalid user dircreate from 180.242.182.89
May  8 22:49:08 srv206 sshd[15230]: Failed password for invalid user dircreate from 180.242.182.89 port 51005 ssh2
...
2020-05-09 06:31:34
111.10.43.201 attackspam
(sshd) Failed SSH login from 111.10.43.201 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May  8 22:48:23 rainbow sshd[26706]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.10.43.201  user=root
May  8 22:48:25 rainbow sshd[26706]: Failed password for root from 111.10.43.201 port 43507 ssh2
May  8 22:48:26 rainbow sshd[26711]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.10.43.201  user=root
May  8 22:48:29 rainbow sshd[26711]: Failed password for root from 111.10.43.201 port 43554 ssh2
May  8 22:48:30 rainbow sshd[26716]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.10.43.201  user=root
2020-05-09 06:57:58
14.184.123.211 attackspambots
Automatic report - Port Scan Attack
2020-05-09 06:39:05

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