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 <<>> 104.21.16.208
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62194
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.208.			IN	A

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

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:12:29 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 208.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 208.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
194.26.25.102 attackspambots
ET DROP Dshield Block Listed Source group 1 - port: 7010 proto: tcp cat: Misc Attackbytes: 60
2020-09-02 04:38:54
104.244.74.57 attackspam
Sep  1 13:26:55 shivevps sshd[27674]: Bad protocol version identification '\024' from 104.244.74.57 port 35518
...
2020-09-02 04:21:12
192.99.10.39 attack
20 attempts against mh-misbehave-ban on leaf
2020-09-02 04:26:56
84.38.181.221 attack
E-Mail Spam (RBL) [REJECTED]
2020-09-02 04:15:09
178.172.208.4 attackspam
Sep  1 13:26:39 shivevps sshd[27505]: Bad protocol version identification '\024' from 178.172.208.4 port 60169
...
2020-09-02 04:34:07
35.186.224.25 attackbots
TCP Port: 443     invalid blocked  Listed on   s5h-net      Client xx.xx.6.29     (121)
2020-09-02 04:26:03
188.187.52.107 attackbots
1598963201 - 09/01/2020 14:26:41 Host: 188.187.52.107/188.187.52.107 Port: 445 TCP Blocked
2020-09-02 04:32:24
91.186.230.218 attack
php WP PHPmyadamin ABUSE blocked for 12h
2020-09-02 04:15:56
183.149.112.59 attackbots
Sep  1 13:26:36 shivevps sshd[27444]: Bad protocol version identification '\024' from 183.149.112.59 port 51110
...
2020-09-02 04:37:23
51.79.53.139 attackspam
2020-09-01T19:22[Censored Hostname] sshd[6976]: Failed password for root from 51.79.53.139 port 41934 ssh2
2020-09-01T19:22[Censored Hostname] sshd[6976]: Failed password for root from 51.79.53.139 port 41934 ssh2
2020-09-01T19:22[Censored Hostname] sshd[6976]: Failed password for root from 51.79.53.139 port 41934 ssh2[...]
2020-09-02 04:50:12
89.216.99.251 attackbots
Invalid user nagios from 89.216.99.251 port 45940
2020-09-02 04:22:17
93.91.112.247 attack
Sep  1 13:26:22 shivevps sshd[27236]: Bad protocol version identification '\024' from 93.91.112.247 port 59312
...
2020-09-02 04:49:11
45.230.176.146 attack
Sep  1 13:26:28 shivevps sshd[27336]: Bad protocol version identification '\024' from 45.230.176.146 port 55399
...
2020-09-02 04:45:01
209.17.96.50 attackspambots
Port scan: Attack repeated for 24 hours
2020-09-02 04:52:03
182.208.252.91 attackbots
Sep  1 14:30:54 web8 sshd\[20912\]: Invalid user oracle from 182.208.252.91
Sep  1 14:30:54 web8 sshd\[20912\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.208.252.91
Sep  1 14:30:56 web8 sshd\[20912\]: Failed password for invalid user oracle from 182.208.252.91 port 40328 ssh2
Sep  1 14:33:54 web8 sshd\[22271\]: Invalid user zy from 182.208.252.91
Sep  1 14:33:54 web8 sshd\[22271\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.208.252.91
2020-09-02 04:49:24

Recently Reported IPs

84.80.117.28 104.21.16.209 104.21.16.210 104.21.16.211
104.21.16.215 104.21.16.216 104.21.16.218 104.21.16.219
244.85.233.162 104.21.16.22 104.21.16.225 104.21.16.226
142.252.154.28 104.21.16.229 104.21.16.231 104.21.16.232
104.21.16.233 104.21.16.234 104.21.16.24 104.21.16.240