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 <<>> 104.21.66.219
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43923
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.219.			IN	A

;; AUTHORITY SECTION:
.			87	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 42 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:45:38 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 219.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 219.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.59.129.110 attackbotsspam
Unauthorized connection attempt detected from IP address 218.59.129.110 to port 2220 [J]
2020-01-14 20:49:55
196.52.43.131 attackbots
Unauthorized connection attempt detected from IP address 196.52.43.131 to port 6001 [J]
2020-01-14 21:05:32
37.221.207.78 attackspambots
Honeypot attack, port: 445, PTR: 37-221-207-78.obit.ru.
2020-01-14 20:47:07
185.133.62.8 attackbots
Unauthorized connection attempt detected from IP address 185.133.62.8 to port 2323
2020-01-14 21:08:20
106.13.81.18 attack
Jan 14 14:05:12 vps647732 sshd[9504]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.81.18
Jan 14 14:05:14 vps647732 sshd[9504]: Failed password for invalid user fourjs from 106.13.81.18 port 49616 ssh2
...
2020-01-14 21:16:59
113.181.39.226 attackbots
Attempt to attack host OS, exploiting network vulnerabilities, on 14-01-2020 13:05:16.
2020-01-14 21:13:01
43.239.220.52 attackbots
Lines containing failures of 43.239.220.52
Jan 13 11:13:22 mx-in-02 sshd[13496]: Invalid user znc from 43.239.220.52 port 50182
Jan 13 11:13:22 mx-in-02 sshd[13496]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.239.220.52 
Jan 13 11:13:24 mx-in-02 sshd[13496]: Failed password for invalid user znc from 43.239.220.52 port 50182 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=43.239.220.52
2020-01-14 20:45:21
219.79.18.190 attackspam
Unauthorized connection attempt detected from IP address 219.79.18.190 to port 5555 [J]
2020-01-14 21:04:31
118.24.156.173 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2020-01-14 21:10:48
110.53.234.66 attackbotsspam
ICMP MH Probe, Scan /Distributed -
2020-01-14 21:09:28
77.42.126.247 attackbots
Automatic report - Port Scan Attack
2020-01-14 21:18:43
110.53.234.36 attackbots
ICMP MH Probe, Scan /Distributed -
2020-01-14 21:18:17
62.86.6.98 attackspam
400 BAD REQUEST
2020-01-14 21:19:50
104.140.188.46 attackspam
Unauthorized connection attempt detected from IP address 104.140.188.46 to port 81 [J]
2020-01-14 20:58:26
223.199.2.150 attackbotsspam
Unauthorized connection attempt detected from IP address 223.199.2.150 to port 1433 [J]
2020-01-14 20:48:02

Recently Reported IPs

13.124.203.184 13.124.170.33 13.124.223.216 13.124.250.157
13.124.196.65 13.124.125.97 13.124.31.100 13.124.248.144
13.124.39.200 13.124.30.176 13.124.221.166 13.124.232.185
13.124.52.200 13.124.45.116 13.124.53.214 13.124.41.111
13.124.61.92 13.124.58.136 13.124.78.7 104.21.66.220