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 <<>> 104.21.4.78
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25490
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.78.			IN	A

;; AUTHORITY SECTION:
.			389	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 203 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:28:20 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 78.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 78.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
165.227.97.108 attackbotsspam
'Fail2Ban'
2019-07-03 07:37:32
91.237.148.34 attackspam
[portscan] Port scan
2019-07-03 07:11:29
92.222.66.27 attack
Jul  3 01:17:17 OPSO sshd\[10386\]: Invalid user microsoft from 92.222.66.27 port 34880
Jul  3 01:17:17 OPSO sshd\[10386\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.66.27
Jul  3 01:17:19 OPSO sshd\[10386\]: Failed password for invalid user microsoft from 92.222.66.27 port 34880 ssh2
Jul  3 01:21:17 OPSO sshd\[10766\]: Invalid user ping from 92.222.66.27 port 37434
Jul  3 01:21:17 OPSO sshd\[10766\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.66.27
2019-07-03 07:31:23
129.204.201.32 attack
212.218.19.43 129.204.201.32 \[03/Jul/2019:01:21:11 +0200\] "GET /scripts/setup.php HTTP/1.1" 301 546 "-" "Mozilla/5.0 \(Windows NT 6.1\; Win64\; x64\; rv:57.0\) Gecko/20100101 Firefox/57.0"
212.218.19.43 129.204.201.32 \[03/Jul/2019:01:21:11 +0200\] "GET /phpmyadmin/scripts/setup.php HTTP/1.1" 301 568 "-" "Mozilla/5.0 \(Windows NT 6.1\; Win64\; x64\; rv:57.0\) Gecko/20100101 Firefox/57.0"
212.218.19.43 129.204.201.32 \[03/Jul/2019:01:21:12 +0200\] "GET /phpMyAdmin/scripts/setup.php HTTP/1.1" 301 568 "-" "Mozilla/5.0 \(Windows NT 6.1\; Win64\; x64\; rv:57.0\) Gecko/20100101 Firefox/57.0"
2019-07-03 07:34:28
88.198.15.12 attack
Jul  3 01:10:16 lnxmysql61 sshd[10524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.198.15.12
Jul  3 01:10:16 lnxmysql61 sshd[10524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.198.15.12
2019-07-03 07:13:22
172.104.161.208 attack
172.104.161.208 - - [02/Jul/2019:15:33:52 +0200] "GET /wp-login.php HTTP/1.1" 200 4406 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
172.104.161.208 - - [02/Jul/2019:15:33:52 +0200] "POST /wp-login.php HTTP/1.1" 200 4406 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
172.104.161.208 - - [02/Jul/2019:15:33:53 +0200] "GET /wp-login.php HTTP/1.1" 200 4406 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
172.104.161.208 - - [02/Jul/2019:15:33:54 +0200] "POST /wp-login.php HTTP/1.1" 200 4406 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
172.104.161.208 - - [02/Jul/2019:15:33:54 +0200] "GET /wp-login.php HTTP/1.1" 200 4406 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
172.104.161.208 - - [02/Jul/2019:15:33:55 +0200] "POST /wp-login.php HTTP/1.1" 200 4406 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
.
2019-07-03 07:21:31
95.47.181.102 attackspambots
Honeypot attack, port: 445, PTR: PTR record not found
2019-07-03 07:04:45
180.246.148.199 attackspambots
Honeypot attack, port: 445, PTR: PTR record not found
2019-07-03 07:06:52
153.36.242.114 attackbotsspam
Jul  3 01:34:18 dev0-dcde-rnet sshd[25470]: Failed password for root from 153.36.242.114 port 51450 ssh2
Jul  3 01:34:29 dev0-dcde-rnet sshd[25472]: Failed password for root from 153.36.242.114 port 45231 ssh2
2019-07-03 07:37:47
178.62.226.37 attackspam
SSH bruteforce
2019-07-03 07:43:34
14.169.232.42 attack
Lines containing failures of 14.169.232.42
Jul  3 01:14:30 srv02 sshd[21478]: Invalid user admin from 14.169.232.42 port 34593
Jul  3 01:14:30 srv02 sshd[21478]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.169.232.42
Jul  3 01:14:32 srv02 sshd[21478]: Failed password for invalid user admin from 14.169.232.42 port 34593 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=14.169.232.42
2019-07-03 07:33:37
165.22.96.227 attackspam
Jul  3 01:29:37 lnxded63 sshd[25873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.96.227
Jul  3 01:29:37 lnxded63 sshd[25873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.96.227
2019-07-03 07:34:04
84.32.75.211 attackspam
Honeypot attack, port: 445, PTR: cpe-84-32-75-211.res.lt.
2019-07-03 07:22:15
179.185.97.48 attackbotsspam
19/7/2@19:20:41: FAIL: Alarm-Intrusion address from=179.185.97.48
...
2019-07-03 07:48:14
193.106.29.106 attack
firewall-block, port(s): 2211/tcp, 2213/tcp
2019-07-03 07:47:52

Recently Reported IPs

104.21.4.68 104.21.69.28 104.21.4.83 104.21.4.86
104.21.4.79 104.21.4.75 104.21.4.88 104.21.4.90
104.21.4.91 104.21.4.89 104.21.4.96 104.21.4.99
104.21.40.109 104.21.40.106 104.21.40.123 104.21.40.111
104.21.40.126 104.21.40.113 104.21.69.29 104.21.4.94