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 <<>> 104.21.21.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59619
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.66.			IN	A

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

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:58:00 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
113.88.80.135 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 21-10-2019 12:35:23.
2019-10-22 03:45:34
117.50.43.235 attackbots
Oct 21 11:12:49 plusreed sshd[6472]: Invalid user info!@#123 from 117.50.43.235
...
2019-10-22 04:04:34
113.182.40.119 attackspam
Attempt to attack host OS, exploiting network vulnerabilities, on 21-10-2019 12:35:22.
2019-10-22 03:45:08
65.49.212.67 attackbotsspam
Invalid user xyzzy from 65.49.212.67 port 50578
2019-10-22 03:49:19
221.193.253.111 attackbotsspam
detected by Fail2Ban
2019-10-22 03:43:40
23.242.4.148 attack
23.242.4.148 - - [20/Oct/2019:17:09:08 +0300] "POST /editBlackAndWhiteList HTTP/1.1" 404 196 "-" "ApiTool"
2019-10-22 03:38:56
92.63.57.204 attackspambots
RDP_Brute_Force
2019-10-22 03:47:30
61.246.33.101 attackspambots
Attempt to attack host OS, exploiting network vulnerabilities, on 21-10-2019 12:35:29.
2019-10-22 03:34:25
176.59.195.123 attackspam
2019-10-21 x@x
2019-10-21 20:31:09 unexpected disconnection while reading SMTP command from ([176.59.195.123]) [176.59.195.123]:64534 I=[10.100.18.21]:25 (error: Connection reset by peer)
2019-10-21 x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=176.59.195.123
2019-10-22 04:07:32
203.213.67.30 attackspam
Oct 21 09:58:53 sachi sshd\[5689\]: Invalid user logviewer from 203.213.67.30
Oct 21 09:58:53 sachi sshd\[5689\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203-213-67-30.static.tpgi.com.au
Oct 21 09:58:56 sachi sshd\[5689\]: Failed password for invalid user logviewer from 203.213.67.30 port 56386 ssh2
Oct 21 10:05:08 sachi sshd\[6166\]: Invalid user picture from 203.213.67.30
Oct 21 10:05:08 sachi sshd\[6166\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203-213-67-30.static.tpgi.com.au
2019-10-22 04:06:19
110.38.26.90 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 21-10-2019 12:35:22.
2019-10-22 03:46:58
71.6.200.53 attackspam
DATE:2019-10-21 13:23:26, IP:71.6.200.53, PORT:1433 MSSQL brute force auth on honeypot server (honey-neo-dc-bis)
2019-10-22 03:55:51
42.114.181.132 attackspam
SSH Scan
2019-10-22 04:01:04
111.200.242.26 attack
Oct 21 10:01:48 php1 sshd\[739\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.200.242.26  user=root
Oct 21 10:01:50 php1 sshd\[739\]: Failed password for root from 111.200.242.26 port 28483 ssh2
Oct 21 10:05:58 php1 sshd\[1075\]: Invalid user infogasp from 111.200.242.26
Oct 21 10:05:58 php1 sshd\[1075\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.200.242.26
Oct 21 10:06:00 php1 sshd\[1075\]: Failed password for invalid user infogasp from 111.200.242.26 port 38789 ssh2
2019-10-22 04:08:57
124.243.198.190 attackspam
SSH Bruteforce
2019-10-22 04:08:02

Recently Reported IPs

104.21.21.62 104.21.21.78 104.21.21.81 104.21.21.84
104.21.21.85 104.21.21.9 104.21.21.90 104.21.21.91
104.21.21.92 104.21.21.93 104.21.21.98 104.21.22.100
104.21.22.104 104.21.22.105 34.95.238.210 104.21.22.107
104.21.22.11 163.99.165.205 104.21.22.110 104.21.22.112