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 <<>> 104.21.47.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35915
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.47.21.			IN	A

;; AUTHORITY SECTION:
.			593	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021801 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 19 03:30:15 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.47.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.47.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
94.103.82.197 attackspam
fell into ViewStateTrap:wien2018
2020-06-02 18:27:55
189.132.221.58 attack
Unauthorized connection attempt from IP address 189.132.221.58 on Port 445(SMB)
2020-06-02 18:25:31
219.101.192.141 attackbots
Jun  2 12:01:02 DAAP sshd[8098]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.101.192.141  user=root
Jun  2 12:01:04 DAAP sshd[8098]: Failed password for root from 219.101.192.141 port 43140 ssh2
Jun  2 12:05:35 DAAP sshd[8140]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.101.192.141  user=root
Jun  2 12:05:37 DAAP sshd[8140]: Failed password for root from 219.101.192.141 port 49270 ssh2
Jun  2 12:10:08 DAAP sshd[8256]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.101.192.141  user=root
Jun  2 12:10:10 DAAP sshd[8256]: Failed password for root from 219.101.192.141 port 55402 ssh2
...
2020-06-02 18:15:50
119.67.21.163 attackbots
"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:
2020-06-02 18:16:39
104.248.45.204 attack
$f2bV_matches
2020-06-02 18:13:19
188.121.196.91 attack
20/6/1@23:47:09: FAIL: Alarm-Network address from=188.121.196.91
...
2020-06-02 18:12:53
111.229.12.69 attackbots
Jun  2 06:51:21 server sshd[14098]: Failed password for root from 111.229.12.69 port 36690 ssh2
Jun  2 06:55:57 server sshd[18459]: Failed password for root from 111.229.12.69 port 60546 ssh2
Jun  2 07:00:36 server sshd[23382]: Failed password for root from 111.229.12.69 port 56172 ssh2
2020-06-02 18:26:40
163.172.145.149 attackbotsspam
Jun  2 08:58:28 abendstille sshd\[1576\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.145.149  user=root
Jun  2 08:58:31 abendstille sshd\[1576\]: Failed password for root from 163.172.145.149 port 59530 ssh2
Jun  2 09:02:04 abendstille sshd\[4828\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.145.149  user=root
Jun  2 09:02:07 abendstille sshd\[4828\]: Failed password for root from 163.172.145.149 port 36202 ssh2
Jun  2 09:05:55 abendstille sshd\[8645\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.145.149  user=root
...
2020-06-02 18:21:42
190.215.57.118 attackspam
Unauthorized connection attempt detected from IP address 190.215.57.118 to port 445
2020-06-02 18:47:30
39.68.146.233 attackbotsspam
Jun  2 11:51:28 h2829583 sshd[31973]: Failed password for root from 39.68.146.233 port 39986 ssh2
2020-06-02 18:30:44
222.67.177.16 attackbots
Unauthorized connection attempt from IP address 222.67.177.16 on Port 445(SMB)
2020-06-02 18:24:18
128.199.220.232 attackbotsspam
Jun  2 09:53:21 ns382633 sshd\[30201\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.220.232  user=root
Jun  2 09:53:23 ns382633 sshd\[30201\]: Failed password for root from 128.199.220.232 port 48950 ssh2
Jun  2 10:01:15 ns382633 sshd\[31733\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.220.232  user=root
Jun  2 10:01:17 ns382633 sshd\[31733\]: Failed password for root from 128.199.220.232 port 56898 ssh2
Jun  2 10:05:54 ns382633 sshd\[32575\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.220.232  user=root
2020-06-02 18:51:08
61.50.99.26 attackspambots
Jun  1 06:17:27 nbi-636 sshd[18333]: User r.r from 61.50.99.26 not allowed because not listed in AllowUsers
Jun  1 06:17:27 nbi-636 sshd[18333]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.50.99.26  user=r.r
Jun  1 06:17:29 nbi-636 sshd[18333]: Failed password for invalid user r.r from 61.50.99.26 port 2267 ssh2
Jun  1 06:17:31 nbi-636 sshd[18333]: Received disconnect from 61.50.99.26 port 2267:11: Bye Bye [preauth]
Jun  1 06:17:31 nbi-636 sshd[18333]: Disconnected from invalid user r.r 61.50.99.26 port 2267 [preauth]
Jun  1 06:32:50 nbi-636 sshd[22823]: User r.r from 61.50.99.26 not allowed because not listed in AllowUsers
Jun  1 06:32:50 nbi-636 sshd[22823]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.50.99.26  user=r.r
Jun  1 06:32:52 nbi-636 sshd[22823]: Failed password for invalid user r.r from 61.50.99.26 port 61982 ssh2
Jun  1 06:32:52 nbi-636 sshd[22823]: Received disco........
-------------------------------
2020-06-02 18:14:06
113.164.3.114 attackspambots
Unauthorized connection attempt from IP address 113.164.3.114 on Port 445(SMB)
2020-06-02 18:39:00
218.92.0.145 attack
Unauthorised connection attempt detected at AUO FR1 NODE2. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-06-02 18:53:34

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