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 <<>> 104.16.21.2
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38733
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.16.21.2.			IN	A

;; AUTHORITY SECTION:
.			512	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031801 1800 900 604800 86400

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 19 09:19:17 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 2.21.16.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 2.21.16.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.95.186.12 attack
Unauthorized connection attempt detected from IP address 185.95.186.12 to port 8080
2020-05-12 22:10:00
31.2.196.57 attackbots
(imapd) Failed IMAP login from 31.2.196.57 (IR/Iran/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: May 12 16:40:02 ir1 dovecot[264309]: imap-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=31.2.196.57, lip=5.63.12.44, session=<7Ae9V3Klff0fAsQ5>
2020-05-12 21:47:47
177.138.151.207 attackbotsspam
Unauthorized connection attempt detected from IP address 177.138.151.207 to port 80
2020-05-12 22:11:43
36.72.30.86 attack
1589285406 - 05/12/2020 14:10:06 Host: 36.72.30.86/36.72.30.86 Port: 445 TCP Blocked
2020-05-12 21:58:42
143.137.144.218 attackbotsspam
Unauthorized connection attempt detected from IP address 143.137.144.218 to port 445
2020-05-12 22:15:56
51.254.156.114 attackbotsspam
May 12 12:30:46 XXX sshd[22675]: Invalid user hansolsoft from 51.254.156.114 port 51054
2020-05-12 21:55:08
220.86.162.163 attackbotsspam
Unauthorized connection attempt detected from IP address 220.86.162.163 to port 23
2020-05-12 22:00:10
194.208.63.206 attack
Unauthorized connection attempt detected from IP address 194.208.63.206 to port 8080
2020-05-12 22:04:25
198.108.66.213 attackbots
Unauthorized connection attempt detected from IP address 198.108.66.213 to port 389
2020-05-12 22:03:31
37.54.48.43 attackspam
Unauthorized connection attempt detected from IP address 37.54.48.43 to port 445
2020-05-12 22:34:47
189.236.77.75 attack
Unauthorized connection attempt detected from IP address 189.236.77.75 to port 8000
2020-05-12 22:06:29
103.233.153.210 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-05-12 21:49:40
14.29.243.32 attack
May 12 14:03:51 pve1 sshd[24261]: Failed password for root from 14.29.243.32 port 39483 ssh2
May 12 14:10:08 pve1 sshd[25611]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.243.32 
...
2020-05-12 21:48:41
37.49.226.23 attackbots
Blocked by firewall
2020-05-12 22:35:03
92.63.196.7 attackbotsspam
Unauthorized connection attempt detected from IP address 92.63.196.7 to port 1010
2020-05-12 22:21:56

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