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: None

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 <<>> 104.21.17.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57155
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.17.20.			IN	A

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

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:13:01 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 20.17.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.17.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
183.207.181.138 attack
Feb  9 22:09:19 marvibiene sshd[2111]: Invalid user swq from 183.207.181.138 port 44165
Feb  9 22:09:19 marvibiene sshd[2111]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.207.181.138
Feb  9 22:09:19 marvibiene sshd[2111]: Invalid user swq from 183.207.181.138 port 44165
Feb  9 22:09:21 marvibiene sshd[2111]: Failed password for invalid user swq from 183.207.181.138 port 44165 ssh2
...
2020-02-10 06:23:40
144.91.68.96 attackbotsspam
02/09/2020-17:09:35.028794 144.91.68.96 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-02-10 06:16:49
51.75.248.127 attack
2020-02-09T23:05:23.958865struts4.enskede.local sshd\[8373\]: Invalid user xxh from 51.75.248.127 port 41536
2020-02-09T23:05:23.969588struts4.enskede.local sshd\[8373\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=127.ip-51-75-248.eu
2020-02-09T23:05:26.743012struts4.enskede.local sshd\[8373\]: Failed password for invalid user xxh from 51.75.248.127 port 41536 ssh2
2020-02-09T23:08:49.212961struts4.enskede.local sshd\[8378\]: Invalid user rpo from 51.75.248.127 port 39872
2020-02-09T23:08:49.222477struts4.enskede.local sshd\[8378\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=127.ip-51-75-248.eu
...
2020-02-10 06:11:20
93.125.114.40 attack
SQL HTTP URI blind injection attempt
2020-02-10 06:17:33
58.11.157.0 attackspambots
Honeypot attack, port: 5555, PTR: ppp-58-11-157-0.revip2.asianet.co.th.
2020-02-10 06:38:06
179.156.200.25 attackspam
port scan and connect, tcp 8080 (http-proxy)
2020-02-10 05:56:17
149.202.87.5 attackspambots
Feb  9 23:25:16 MK-Soft-Root2 sshd[31198]: Failed password for root from 149.202.87.5 port 35730 ssh2
...
2020-02-10 06:35:47
122.51.71.197 attackspambots
Feb  9 23:09:06 mout sshd[2447]: Invalid user hkm from 122.51.71.197 port 36698
2020-02-10 06:34:13
180.249.202.224 attackbotsspam
Automatic report - Port Scan Attack
2020-02-10 06:37:39
165.227.211.13 attack
Feb  9 21:16:05 v22018076622670303 sshd\[4822\]: Invalid user vbe from 165.227.211.13 port 60992
Feb  9 21:16:05 v22018076622670303 sshd\[4822\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.211.13
Feb  9 21:16:06 v22018076622670303 sshd\[4822\]: Failed password for invalid user vbe from 165.227.211.13 port 60992 ssh2
...
2020-02-10 06:08:16
49.233.142.11 attackbotsspam
Automatic report - SSH Brute-Force Attack
2020-02-10 05:55:53
190.242.104.221 attackbotsspam
Honeypot attack, port: 445, PTR: PTR record not found
2020-02-10 06:15:25
106.12.218.60 attackspambots
Feb  9 23:02:43 legacy sshd[23894]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.218.60
Feb  9 23:02:45 legacy sshd[23894]: Failed password for invalid user gxh from 106.12.218.60 port 42036 ssh2
Feb  9 23:09:40 legacy sshd[24236]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.218.60
...
2020-02-10 06:11:54
218.85.119.92 attackbots
Feb  9 19:51:28 sd-53420 sshd\[9368\]: Invalid user dii from 218.85.119.92
Feb  9 19:51:28 sd-53420 sshd\[9368\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.85.119.92
Feb  9 19:51:31 sd-53420 sshd\[9368\]: Failed password for invalid user dii from 218.85.119.92 port 20993 ssh2
Feb  9 19:52:22 sd-53420 sshd\[9439\]: Invalid user kmm from 218.85.119.92
Feb  9 19:52:22 sd-53420 sshd\[9439\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.85.119.92
...
2020-02-10 05:53:07
178.47.141.218 attackbotsspam
Honeypot attack, port: 445, PTR: dsl-178-47-141-218.permonline.ru.
2020-02-10 06:18:53

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