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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.16.19.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9513
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.16.19.21.			IN	A

;; AUTHORITY SECTION:
.			327	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022032100 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Mar 21 17:22:58 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.19.16.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.19.16.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
3.88.60.96 attack
SSH/22 MH Probe, BF, Hack -
2019-08-17 07:52:47
113.193.30.98 attack
Aug 17 00:51:34 h2177944 sshd\[29073\]: Invalid user pokemon from 113.193.30.98 port 17881
Aug 17 00:51:34 h2177944 sshd\[29073\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.193.30.98
Aug 17 00:51:36 h2177944 sshd\[29073\]: Failed password for invalid user pokemon from 113.193.30.98 port 17881 ssh2
Aug 17 00:56:29 h2177944 sshd\[29184\]: Invalid user sb from 113.193.30.98 port 24292
...
2019-08-17 07:14:29
113.161.130.245 attackspam
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-08-16 19:46:28,377 INFO [amun_request_handler] PortScan Detected on Port: 445 (113.161.130.245)
2019-08-17 07:16:00
14.198.116.47 attackbots
Aug 17 01:32:16 arianus sshd\[29088\]: Invalid user user from 14.198.116.47 port 42868
...
2019-08-17 07:49:42
211.212.37.30 attackspam
Unauthorized connection attempt from IP address 211.212.37.30 on Port 445(SMB)
2019-08-17 07:42:24
85.72.188.159 attack
Unauthorized connection attempt from IP address 85.72.188.159 on Port 445(SMB)
2019-08-17 07:44:28
117.218.103.48 attack
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-08-16 19:45:22,209 INFO [amun_request_handler] PortScan Detected on Port: 445 (117.218.103.48)
2019-08-17 07:28:33
51.91.248.56 attackspambots
Aug 17 05:07:00 vibhu-HP-Z238-Microtower-Workstation sshd\[32576\]: Invalid user r from 51.91.248.56
Aug 17 05:07:00 vibhu-HP-Z238-Microtower-Workstation sshd\[32576\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.248.56
Aug 17 05:07:02 vibhu-HP-Z238-Microtower-Workstation sshd\[32576\]: Failed password for invalid user r from 51.91.248.56 port 46294 ssh2
Aug 17 05:11:13 vibhu-HP-Z238-Microtower-Workstation sshd\[32757\]: Invalid user alessandro from 51.91.248.56
Aug 17 05:11:13 vibhu-HP-Z238-Microtower-Workstation sshd\[32757\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.248.56
...
2019-08-17 07:54:45
183.83.10.174 attackspam
Unauthorized connection attempt from IP address 183.83.10.174 on Port 445(SMB)
2019-08-17 07:50:32
157.230.214.150 attackbots
Invalid user project from 157.230.214.150 port 41468
2019-08-17 07:15:44
37.195.50.41 attack
Aug 16 11:56:25 aiointranet sshd\[16442\]: Invalid user mongodb from 37.195.50.41
Aug 16 11:56:25 aiointranet sshd\[16442\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=l37-195-50-41.novotelecom.ru
Aug 16 11:56:28 aiointranet sshd\[16442\]: Failed password for invalid user mongodb from 37.195.50.41 port 40854 ssh2
Aug 16 12:01:18 aiointranet sshd\[16872\]: Invalid user axi from 37.195.50.41
Aug 16 12:01:18 aiointranet sshd\[16872\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=l37-195-50-41.novotelecom.ru
2019-08-17 07:30:43
205.185.117.149 attack
$f2bV_matches
2019-08-17 07:34:33
58.69.19.203 attackspambots
Unauthorized connection attempt from IP address 58.69.19.203 on Port 445(SMB)
2019-08-17 07:45:46
203.160.132.4 attack
Aug 17 01:33:44 MK-Soft-Root1 sshd\[18592\]: Invalid user lt from 203.160.132.4 port 45100
Aug 17 01:33:44 MK-Soft-Root1 sshd\[18592\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.160.132.4
Aug 17 01:33:47 MK-Soft-Root1 sshd\[18592\]: Failed password for invalid user lt from 203.160.132.4 port 45100 ssh2
...
2019-08-17 07:38:43
37.202.20.89 attackbotsspam
Unauthorized connection attempt from IP address 37.202.20.89 on Port 445(SMB)
2019-08-17 07:20:11

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