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 <<>> 104.21.0.253
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15092
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.0.253.			IN	A

;; AUTHORITY SECTION:
.			596	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021801 1800 900 604800 86400

;; Query time: 188 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 19 03:29:03 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 253.0.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 253.0.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
223.223.187.2 attackspam
$f2bV_matches
2020-07-27 18:41:45
87.20.161.203 attackbotsspam
W 31101,/var/log/nginx/access.log,-,-
2020-07-27 18:40:02
51.254.38.106 attackbots
Invalid user dsadm from 51.254.38.106 port 36413
2020-07-27 18:21:43
142.93.136.131 attackspambots
142.93.136.131 - - [27/Jul/2020:10:57:46 +0100] "POST /wp-login.php HTTP/1.1" 200 1704 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.136.131 - - [27/Jul/2020:10:57:47 +0100] "POST /wp-login.php HTTP/1.1" 200 1706 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.136.131 - - [27/Jul/2020:10:57:47 +0100] "POST /xmlrpc.php HTTP/1.1" 200 247 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-07-27 18:38:32
106.12.161.86 attackspam
Jul 27 07:27:56 piServer sshd[13876]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.161.86 
Jul 27 07:27:59 piServer sshd[13876]: Failed password for invalid user admin from 106.12.161.86 port 41664 ssh2
Jul 27 07:36:48 piServer sshd[14667]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.161.86 
...
2020-07-27 18:51:20
42.114.34.3 attackbotsspam
20/7/27@00:11:04: FAIL: Alarm-Network address from=42.114.34.3
20/7/27@00:11:04: FAIL: Alarm-Network address from=42.114.34.3
...
2020-07-27 18:37:59
144.217.190.197 attackspambots
Automatic report - Banned IP Access
2020-07-27 18:47:36
104.131.91.148 attack
Jul 27 10:03:52 localhost sshd[48630]: Invalid user pi from 104.131.91.148 port 53920
Jul 27 10:03:52 localhost sshd[48630]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.91.148
Jul 27 10:03:52 localhost sshd[48630]: Invalid user pi from 104.131.91.148 port 53920
Jul 27 10:03:55 localhost sshd[48630]: Failed password for invalid user pi from 104.131.91.148 port 53920 ssh2
Jul 27 10:09:34 localhost sshd[49284]: Invalid user stu1 from 104.131.91.148 port 60413
...
2020-07-27 18:23:47
129.204.205.125 attack
SSH Brute-force
2020-07-27 18:17:40
220.133.227.104 attack
Hits on port : 5555
2020-07-27 18:48:49
185.56.153.236 attack
Jul 27 08:49:13 ovpn sshd\[20058\]: Invalid user admin from 185.56.153.236
Jul 27 08:49:13 ovpn sshd\[20058\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.56.153.236
Jul 27 08:49:15 ovpn sshd\[20058\]: Failed password for invalid user admin from 185.56.153.236 port 42286 ssh2
Jul 27 09:07:03 ovpn sshd\[24497\]: Invalid user down from 185.56.153.236
Jul 27 09:07:03 ovpn sshd\[24497\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.56.153.236
2020-07-27 18:37:33
188.165.210.176 attackbots
Invalid user doku from 188.165.210.176 port 39678
2020-07-27 18:15:28
111.230.226.124 attackspam
Unauthorized connection attempt detected from IP address 111.230.226.124 to port 33
2020-07-27 18:34:45
61.94.155.237 attackbots
1595821741 - 07/27/2020 05:49:01 Host: 61.94.155.237/61.94.155.237 Port: 445 TCP Blocked
2020-07-27 18:51:56
222.186.15.115 attackspambots
2020-07-27T13:39:29.684323lavrinenko.info sshd[25635]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.115  user=root
2020-07-27T13:39:31.818676lavrinenko.info sshd[25635]: Failed password for root from 222.186.15.115 port 12060 ssh2
2020-07-27T13:39:29.684323lavrinenko.info sshd[25635]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.115  user=root
2020-07-27T13:39:31.818676lavrinenko.info sshd[25635]: Failed password for root from 222.186.15.115 port 12060 ssh2
2020-07-27T13:39:36.560926lavrinenko.info sshd[25635]: Failed password for root from 222.186.15.115 port 12060 ssh2
...
2020-07-27 18:40:41

Recently Reported IPs

104.21.0.106 104.21.0.173 104.21.0.239 104.21.0.184
104.207.238.148 104.21.1.131 104.207.246.209 104.21.1.189
104.21.1.223 104.21.1.235 104.21.1.254 104.21.1.24
104.21.10.177 104.21.10.18 104.21.11.11 104.21.10.13
104.21.11.228 104.21.10.9 104.21.11.78 104.21.11.44