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: None

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 <<>> 104.21.63.75
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3611
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.63.75.			IN	A

;; AUTHORITY SECTION:
.			435	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 22 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:15:59 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 75.63.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 75.63.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
110.43.208.237 attackspam
port
2020-04-14 17:22:11
45.136.108.85 attackspam
...
2020-04-14 16:55:56
194.31.244.26 attackspambots
Port scan: Attack repeated for 24 hours
2020-04-14 17:15:02
91.134.248.230 attackspam
91.134.248.230 - - [14/Apr/2020:06:17:37 +0200] "GET /wp-login.php HTTP/1.1" 200 5702 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
91.134.248.230 - - [14/Apr/2020:06:17:38 +0200] "POST /wp-login.php HTTP/1.1" 200 6601 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
91.134.248.230 - - [14/Apr/2020:06:17:41 +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"
2020-04-14 17:19:04
51.89.64.18 attackbots
1 attempts against mh-modsecurity-ban on flame
2020-04-14 17:00:32
128.199.171.81 attackspambots
(sshd) Failed SSH login from 128.199.171.81 (SG/Singapore/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 14 10:58:25 ubnt-55d23 sshd[10505]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.171.81  user=root
Apr 14 10:58:28 ubnt-55d23 sshd[10505]: Failed password for root from 128.199.171.81 port 2009 ssh2
2020-04-14 17:32:49
62.210.83.206 attackbotsspam
Unauthorized access detected from black listed ip!
2020-04-14 17:08:05
104.131.98.146 attackspambots
Invalid user postgres from 104.131.98.146 port 49450
2020-04-14 17:20:45
59.120.247.210 attack
Brute forcing RDP port 3389
2020-04-14 17:29:15
107.180.84.251 attack
107.180.84.251 - - [14/Apr/2020:10:47:48 +0200] "GET /wp-login.php HTTP/1.1" 200 5879 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
107.180.84.251 - - [14/Apr/2020:10:47:50 +0200] "POST /wp-login.php HTTP/1.1" 200 6778 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
107.180.84.251 - - [14/Apr/2020:10:47:51 +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"
2020-04-14 17:03:24
51.89.213.88 attackspambots
SQL injection attempt.
2020-04-14 16:55:22
112.35.130.177 attackspambots
Apr 14 08:04:37 markkoudstaal sshd[5583]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.35.130.177
Apr 14 08:04:39 markkoudstaal sshd[5583]: Failed password for invalid user starcraft from 112.35.130.177 port 34640 ssh2
Apr 14 08:09:44 markkoudstaal sshd[6327]: Failed password for root from 112.35.130.177 port 58898 ssh2
2020-04-14 17:13:57
144.138.73.101 attack
Apr 14 08:12:59 scw-6657dc sshd[32629]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.138.73.101
Apr 14 08:12:59 scw-6657dc sshd[32629]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.138.73.101
Apr 14 08:13:01 scw-6657dc sshd[32629]: Failed password for invalid user admin from 144.138.73.101 port 42352 ssh2
...
2020-04-14 17:26:53
190.64.213.155 attack
2020-04-14T03:25:04.4868881495-001 sshd[60818]: Invalid user smbuser from 190.64.213.155 port 58926
2020-04-14T03:25:06.6432771495-001 sshd[60818]: Failed password for invalid user smbuser from 190.64.213.155 port 58926 ssh2
2020-04-14T03:28:58.9036981495-001 sshd[40038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=r190-64-213-155.su-static.adinet.com.uy  user=root
2020-04-14T03:29:01.5041921495-001 sshd[40038]: Failed password for root from 190.64.213.155 port 53692 ssh2
2020-04-14T03:32:45.5220501495-001 sshd[40232]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=r190-64-213-155.su-static.adinet.com.uy  user=root
2020-04-14T03:32:47.2869141495-001 sshd[40232]: Failed password for root from 190.64.213.155 port 48448 ssh2
...
2020-04-14 17:07:29
140.238.190.109 attackbotsspam
Apr 13 22:42:24 web1 sshd\[16250\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.238.190.109  user=root
Apr 13 22:42:26 web1 sshd\[16250\]: Failed password for root from 140.238.190.109 port 36740 ssh2
Apr 13 22:45:06 web1 sshd\[16499\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.238.190.109  user=root
Apr 13 22:45:08 web1 sshd\[16499\]: Failed password for root from 140.238.190.109 port 45946 ssh2
Apr 13 22:47:45 web1 sshd\[16768\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.238.190.109  user=root
2020-04-14 17:23:01

Recently Reported IPs

104.21.64.110 104.21.64.15 104.21.64.131 104.21.64.156
104.21.64.203 104.21.64.211 104.21.64.17 104.21.64.195
104.21.64.205 104.21.64.224 104.21.64.227 104.21.64.230
104.21.64.166 13.225.71.56 104.21.64.233 104.21.64.219
104.21.64.240 104.21.64.43 104.21.64.66 104.21.64.68