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 <<>> 104.21.21.190
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28813
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.190.			IN	A

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

;; Query time: 26 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:15:44 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 190.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 190.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.255.197.164 attackbotsspam
Aug 14 23:28:30 [host] sshd[2085]: pam_unix(sshd:a
Aug 14 23:28:31 [host] sshd[2085]: Failed password
Aug 14 23:35:39 [host] sshd[2192]: pam_unix(sshd:a
2020-08-15 06:18:06
142.93.215.22 attackspambots
Aug 14 22:28:59 ns382633 sshd\[14205\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.215.22  user=root
Aug 14 22:29:01 ns382633 sshd\[14205\]: Failed password for root from 142.93.215.22 port 50172 ssh2
Aug 14 22:39:37 ns382633 sshd\[16168\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.215.22  user=root
Aug 14 22:39:38 ns382633 sshd\[16168\]: Failed password for root from 142.93.215.22 port 43798 ssh2
Aug 14 22:43:48 ns382633 sshd\[16984\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.215.22  user=root
2020-08-15 05:51:44
62.80.178.74 attackbotsspam
Aug 14 23:46:57 vpn01 sshd[27166]: Failed password for root from 62.80.178.74 port 53669 ssh2
...
2020-08-15 06:20:14
196.52.43.125 attack
Fail2Ban Ban Triggered
2020-08-15 06:01:06
95.252.40.162 attackspam
Automatic report - Port Scan Attack
2020-08-15 06:01:49
47.74.1.66 attackbotsspam
Firewall Dropped Connection
2020-08-15 06:08:23
143.255.242.190 attackbots
port scan and connect, tcp 80 (http)
2020-08-15 05:55:02
31.13.64.53 attack
TCP Port Scanning
2020-08-15 06:03:21
222.186.42.155 attackbotsspam
2020-08-15T00:59:11.996581lavrinenko.info sshd[31188]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.155  user=root
2020-08-15T00:59:13.995555lavrinenko.info sshd[31188]: Failed password for root from 222.186.42.155 port 63545 ssh2
2020-08-15T00:59:11.996581lavrinenko.info sshd[31188]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.155  user=root
2020-08-15T00:59:13.995555lavrinenko.info sshd[31188]: Failed password for root from 222.186.42.155 port 63545 ssh2
2020-08-15T00:59:18.590166lavrinenko.info sshd[31188]: Failed password for root from 222.186.42.155 port 63545 ssh2
...
2020-08-15 06:02:28
37.187.3.53 attackbots
Aug 14 23:48:09 jane sshd[20543]: Failed password for root from 37.187.3.53 port 52390 ssh2
...
2020-08-15 06:02:48
106.12.84.63 attack
Aug 14 21:43:02 gospond sshd[3085]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.84.63  user=root
Aug 14 21:43:04 gospond sshd[3085]: Failed password for root from 106.12.84.63 port 48450 ssh2
...
2020-08-15 06:19:08
97.74.236.154 attackspam
Aug 14 18:48:58 firewall sshd[32698]: Invalid user idctest from 97.74.236.154
Aug 14 18:49:00 firewall sshd[32698]: Failed password for invalid user idctest from 97.74.236.154 port 34206 ssh2
Aug 14 18:51:02 firewall sshd[315]: Invalid user ABCDE12345 from 97.74.236.154
...
2020-08-15 06:13:37
117.232.127.51 attackbots
Aug 14 22:43:56 ns37 sshd[13931]: Failed password for root from 117.232.127.51 port 42874 ssh2
Aug 14 22:43:56 ns37 sshd[13931]: Failed password for root from 117.232.127.51 port 42874 ssh2
2020-08-15 05:44:32
92.75.0.117 attackbotsspam
[14/Aug/2020 x@x
[14/Aug/2020 x@x
[14/Aug/2020 x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=92.75.0.117
2020-08-15 06:11:42
114.67.95.121 attackbotsspam
Aug 14 17:40:04 firewall sshd[30449]: Failed password for root from 114.67.95.121 port 52530 ssh2
Aug 14 17:43:54 firewall sshd[30583]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.95.121  user=root
Aug 14 17:43:56 firewall sshd[30583]: Failed password for root from 114.67.95.121 port 33696 ssh2
...
2020-08-15 05:44:44

Recently Reported IPs

104.21.21.165 104.21.21.177 104.21.21.205 104.21.21.207
104.21.21.197 104.21.21.210 104.21.21.194 104.21.21.209
104.21.21.227 104.21.68.158 192.239.51.229 104.21.21.215
104.21.21.228 104.21.21.211 104.21.21.229 104.21.21.213
104.21.21.23 104.21.21.22 104.21.21.237 104.21.21.239