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 <<>> 104.16.21.71
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 27490
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.16.21.71.			IN	A

;; AUTHORITY SECTION:
.			40	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022032401 1800 900 604800 86400

;; Query time: 74 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Mar 25 05:52:57 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 71.21.16.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 71.21.16.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
172.81.214.129 attackspam
Oct 20 21:49:44 eola sshd[15621]: Invalid user guest from 172.81.214.129 port 55449
Oct 20 21:49:44 eola sshd[15621]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.81.214.129 
Oct 20 21:49:46 eola sshd[15621]: Failed password for invalid user guest from 172.81.214.129 port 55449 ssh2
Oct 20 21:49:46 eola sshd[15621]: Received disconnect from 172.81.214.129 port 55449:11: Bye Bye [preauth]
Oct 20 21:49:46 eola sshd[15621]: Disconnected from 172.81.214.129 port 55449 [preauth]
Oct 20 22:06:51 eola sshd[15924]: Invalid user musicbot from 172.81.214.129 port 49428
Oct 20 22:06:51 eola sshd[15924]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.81.214.129 
Oct 20 22:06:53 eola sshd[15924]: Failed password for invalid user musicbot from 172.81.214.129 port 49428 ssh2
Oct 20 22:06:53 eola sshd[15924]: Received disconnect from 172.81.214.129 port 49428:11: Bye Bye [preauth]
Oct 20 22:06:5........
-------------------------------
2019-10-23 15:10:07
206.189.155.76 attackbots
206.189.155.76 - - \[23/Oct/2019:04:46:37 +0000\] "POST /wp-login.php HTTP/1.1" 200 4358 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
206.189.155.76 - - \[23/Oct/2019:04:46:43 +0000\] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...
2019-10-23 15:09:34
92.118.38.37 attack
Oct 23 09:04:57 andromeda postfix/smtpd\[34065\]: warning: unknown\[92.118.38.37\]: SASL LOGIN authentication failed: authentication failure
Oct 23 09:05:09 andromeda postfix/smtpd\[29045\]: warning: unknown\[92.118.38.37\]: SASL LOGIN authentication failed: authentication failure
Oct 23 09:05:28 andromeda postfix/smtpd\[29242\]: warning: unknown\[92.118.38.37\]: SASL LOGIN authentication failed: authentication failure
Oct 23 09:05:31 andromeda postfix/smtpd\[34065\]: warning: unknown\[92.118.38.37\]: SASL LOGIN authentication failed: authentication failure
Oct 23 09:05:43 andromeda postfix/smtpd\[33938\]: warning: unknown\[92.118.38.37\]: SASL LOGIN authentication failed: authentication failure
2019-10-23 15:31:39
202.151.30.145 attack
Oct 22 20:47:55 hanapaa sshd\[26636\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.151.30.145  user=root
Oct 22 20:47:57 hanapaa sshd\[26636\]: Failed password for root from 202.151.30.145 port 60144 ssh2
Oct 22 20:52:11 hanapaa sshd\[26942\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.151.30.145  user=root
Oct 22 20:52:13 hanapaa sshd\[26942\]: Failed password for root from 202.151.30.145 port 38740 ssh2
Oct 22 20:56:27 hanapaa sshd\[27303\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.151.30.145  user=root
2019-10-23 15:26:24
220.166.78.25 attack
Oct 23 09:13:21 lnxweb62 sshd[11105]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.166.78.25
Oct 23 09:13:21 lnxweb62 sshd[11105]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.166.78.25
2019-10-23 15:24:37
51.38.112.45 attack
2019-10-23T02:17:27.233805ns525875 sshd\[8417\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.ip-51-38-112.eu  user=root
2019-10-23T02:17:29.519112ns525875 sshd\[8417\]: Failed password for root from 51.38.112.45 port 49408 ssh2
2019-10-23T02:21:02.501801ns525875 sshd\[12901\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.ip-51-38-112.eu  user=root
2019-10-23T02:21:04.636956ns525875 sshd\[12901\]: Failed password for root from 51.38.112.45 port 59092 ssh2
...
2019-10-23 15:34:18
92.118.160.41 attackbots
Automatic report - Port Scan Attack
2019-10-23 15:16:47
206.167.33.12 attackbots
Oct 23 08:38:00 minden010 sshd[25316]: Failed password for root from 206.167.33.12 port 52942 ssh2
Oct 23 08:42:24 minden010 sshd[28911]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.167.33.12
Oct 23 08:42:25 minden010 sshd[28911]: Failed password for invalid user zhao from 206.167.33.12 port 34654 ssh2
...
2019-10-23 15:37:11
159.89.134.199 attackspam
Oct 22 21:32:14 tdfoods sshd\[19883\]: Invalid user Anttoni from 159.89.134.199
Oct 22 21:32:14 tdfoods sshd\[19883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.134.199
Oct 22 21:32:16 tdfoods sshd\[19883\]: Failed password for invalid user Anttoni from 159.89.134.199 port 52498 ssh2
Oct 22 21:35:54 tdfoods sshd\[20209\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.134.199  user=root
Oct 22 21:35:56 tdfoods sshd\[20209\]: Failed password for root from 159.89.134.199 port 35234 ssh2
2019-10-23 15:35:59
54.36.182.244 attackspam
Oct 23 08:44:15 SilenceServices sshd[27137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.36.182.244
Oct 23 08:44:17 SilenceServices sshd[27137]: Failed password for invalid user khan from 54.36.182.244 port 49021 ssh2
Oct 23 08:47:46 SilenceServices sshd[28076]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.36.182.244
2019-10-23 14:59:48
185.232.67.5 attack
Oct 23 09:17:10 dedicated sshd[8493]: Invalid user admin from 185.232.67.5 port 59502
2019-10-23 15:21:03
193.105.24.95 attackbots
Automatic report - Banned IP Access
2019-10-23 15:25:28
92.249.143.33 attack
ssh failed login
2019-10-23 15:33:35
159.203.36.18 attack
Automatic report - Banned IP Access
2019-10-23 15:04:17
221.1.92.128 attackspam
Scanning random ports - tries to find possible vulnerable services
2019-10-23 15:39:30

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