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 <<>> 104.21.51.167
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35496
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.167.			IN	A

;; AUTHORITY SECTION:
.			185	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022001 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 21 05:23:56 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 167.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 167.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
175.211.112.250 attackspam
Oct 16 01:38:28 MK-Soft-VM3 sshd[31208]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.211.112.250 
Oct 16 01:38:31 MK-Soft-VM3 sshd[31208]: Failed password for invalid user mama from 175.211.112.250 port 53132 ssh2
...
2019-10-16 07:56:09
41.225.16.156 attack
fraudulent SSH attempt
2019-10-16 08:33:38
222.252.30.117 attackbotsspam
Oct 16 00:42:51 www2 sshd\[1785\]: Failed password for root from 222.252.30.117 port 43952 ssh2Oct 16 00:47:05 www2 sshd\[2589\]: Failed password for root from 222.252.30.117 port 34910 ssh2Oct 16 00:51:27 www2 sshd\[3076\]: Failed password for root from 222.252.30.117 port 54104 ssh2
...
2019-10-16 08:27:17
167.99.127.197 attackbots
miraniessen.de 167.99.127.197 \[15/Oct/2019:21:52:06 +0200\] "POST /wp-login.php HTTP/1.1" 200 5974 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
miraniessen.de 167.99.127.197 \[15/Oct/2019:21:52:12 +0200\] "POST /wp-login.php HTTP/1.1" 200 5974 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-10-16 08:29:11
217.112.128.75 attackbotsspam
Postfix DNSBL listed. Trying to send SPAM.
2019-10-16 08:25:18
131.255.8.176 attackbots
Automatic report - Port Scan Attack
2019-10-16 07:57:39
140.143.228.18 attack
Oct 15 23:39:51 vtv3 sshd\[15502\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.228.18  user=root
Oct 15 23:39:53 vtv3 sshd\[15502\]: Failed password for root from 140.143.228.18 port 58416 ssh2
Oct 15 23:44:02 vtv3 sshd\[17679\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.228.18  user=root
Oct 15 23:44:04 vtv3 sshd\[17679\]: Failed password for root from 140.143.228.18 port 39934 ssh2
Oct 15 23:48:09 vtv3 sshd\[19728\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.228.18  user=root
Oct 16 00:00:04 vtv3 sshd\[25411\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.228.18  user=root
Oct 16 00:00:06 vtv3 sshd\[25411\]: Failed password for root from 140.143.228.18 port 50640 ssh2
Oct 16 00:04:05 vtv3 sshd\[27570\]: Invalid user bo from 140.143.228.18 port 60390
Oct 16 00:04:05 vtv3 sshd\[27570\]: pa
2019-10-16 08:27:42
106.12.98.12 attack
Oct 16 03:17:25 sauna sshd[225395]: Failed password for root from 106.12.98.12 port 38376 ssh2
...
2019-10-16 08:31:14
112.85.42.87 attack
$f2bV_matches
2019-10-16 08:32:27
45.134.0.49 attack
fraudulent SSH attempt
2019-10-16 08:15:34
37.187.22.227 attackbots
$f2bV_matches
2019-10-16 08:07:28
198.98.56.149 attack
Automatic report - XMLRPC Attack
2019-10-16 07:59:38
51.15.58.201 attack
2019-10-15T21:52:24.826310centos sshd\[12341\]: Invalid user spark from 51.15.58.201 port 51316
2019-10-15T21:52:24.832498centos sshd\[12341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.58.201
2019-10-15T21:52:27.100637centos sshd\[12341\]: Failed password for invalid user spark from 51.15.58.201 port 51316 ssh2
2019-10-16 08:21:13
196.52.43.106 attackbotsspam
Automatic report - Port Scan Attack
2019-10-16 08:13:35
202.187.136.179 attackspam
Automatic report - Port Scan Attack
2019-10-16 08:02:42

Recently Reported IPs

104.21.50.5 104.21.5.148 104.21.50.131 104.21.50.107
104.21.54.54 104.21.53.234 104.21.53.242 104.21.55.109
104.21.55.114 104.21.54.177 104.21.53.243 104.21.55.119
104.21.54.81 104.21.54.9 104.21.54.84 104.21.54.68
104.21.55.184 104.21.55.144 104.21.55.105 104.21.55.208