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 <<>> 104.21.80.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33582
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.80.21.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:01:16 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.80.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.80.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
159.203.117.137 attack
Feb  9 15:08:34 kapalua sshd\[18777\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.117.137  user=root
Feb  9 15:08:36 kapalua sshd\[18777\]: Failed password for root from 159.203.117.137 port 45176 ssh2
Feb  9 15:09:23 kapalua sshd\[19011\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.117.137  user=root
Feb  9 15:09:25 kapalua sshd\[19011\]: Failed password for root from 159.203.117.137 port 49218 ssh2
Feb  9 15:10:12 kapalua sshd\[19078\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.117.137  user=root
2020-02-10 09:19:56
59.127.131.149 attackspam
Honeypot attack, port: 81, PTR: 59-127-131-149.HINET-IP.hinet.net.
2020-02-10 09:47:05
45.55.177.230 attackspam
Feb 10 00:22:29 sd-53420 sshd\[5132\]: Invalid user hwz from 45.55.177.230
Feb 10 00:22:29 sd-53420 sshd\[5132\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.177.230
Feb 10 00:22:31 sd-53420 sshd\[5132\]: Failed password for invalid user hwz from 45.55.177.230 port 51547 ssh2
Feb 10 00:27:10 sd-53420 sshd\[5592\]: Invalid user ymc from 45.55.177.230
Feb 10 00:27:10 sd-53420 sshd\[5592\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.177.230
...
2020-02-10 09:21:17
187.72.223.239 attackspambots
Automatic report - Port Scan Attack
2020-02-10 09:27:04
103.59.132.202 attack
Feb 10 01:50:28 lnxded63 sshd[28717]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.59.132.202
2020-02-10 09:13:26
2604:a880:cad:d0::54f:c001 attack
Wordpress attack
2020-02-10 09:23:40
31.41.255.34 attackspam
Feb 10 01:41:50 amit sshd\[19863\]: Invalid user gwi from 31.41.255.34
Feb 10 01:41:50 amit sshd\[19863\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.41.255.34
Feb 10 01:41:53 amit sshd\[19863\]: Failed password for invalid user gwi from 31.41.255.34 port 40412 ssh2
...
2020-02-10 09:40:20
218.29.108.186 attackbots
Brute force attempt
2020-02-10 09:30:38
106.12.134.165 attackspambots
Feb  9 23:06:14 vmd26974 sshd[28625]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.134.165
Feb  9 23:06:16 vmd26974 sshd[28625]: Failed password for invalid user jbh from 106.12.134.165 port 45892 ssh2
...
2020-02-10 09:11:51
118.168.90.147 attackspam
Telnet/23 MH Probe, BF, Hack -
2020-02-10 09:38:41
104.248.81.104 attackbotsspam
02/09/2020-23:06:19.059986 104.248.81.104 Protocol: 6 ET CHAT IRC PING command
2020-02-10 09:08:00
2a01:7e00::f03c:92ff:febb:997c attackspam
Honeypot attack, port: 445, PTR: PTR record not found
2020-02-10 09:23:11
182.110.18.94 attack
Unauthorized connection attempt from IP address 182.110.18.94 on Port 445(SMB)
2020-02-10 09:48:08
187.188.176.238 attackspambots
Honeypot attack, port: 445, PTR: fixed-187-188-176-238.totalplay.net.
2020-02-10 09:28:38
36.227.38.252 attack
Telnet/23 MH Probe, BF, Hack -
2020-02-10 09:15:08

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