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 <<>> 104.21.16.40
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58346
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.40.			IN	A

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

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:15:14 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 40.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 40.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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Unauthorized connection attempt from IP address 94.25.173.77 on Port 445(SMB)
2020-04-23 21:18:49
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3x Failed Password
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Unauthorized connection attempt from IP address 201.57.66.2 on Port 445(SMB)
2020-04-23 20:57:06
61.7.172.196 attack
port 23
2020-04-23 20:49:25
94.243.129.134 attack
" "
2020-04-23 21:27:16
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port scan and connect, tcp 23 (telnet)
2020-04-23 20:53:30
223.73.1.196 attack
Lines containing failures of 223.73.1.196
Apr 23 10:22:55 shared06 sshd[30657]: Invalid user rc from 223.73.1.196 port 11961
Apr 23 10:22:55 shared06 sshd[30657]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.73.1.196
Apr 23 10:22:56 shared06 sshd[30657]: Failed password for invalid user rc from 223.73.1.196 port 11961 ssh2
Apr 23 10:22:57 shared06 sshd[30657]: Received disconnect from 223.73.1.196 port 11961:11: Bye Bye [preauth]
Apr 23 10:22:57 shared06 sshd[30657]: Disconnected from invalid user rc 223.73.1.196 port 11961 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=223.73.1.196
2020-04-23 21:21:19
82.240.54.37 attackbotsspam
Apr 23 13:07:16 sigma sshd\[9928\]: Invalid user admin1 from 82.240.54.37Apr 23 13:07:18 sigma sshd\[9928\]: Failed password for invalid user admin1 from 82.240.54.37 port 31617 ssh2
...
2020-04-23 21:16:47
185.50.149.24 attack
Apr 23 14:38:04 relay postfix/smtpd\[9656\]: warning: unknown\[185.50.149.24\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 23 14:38:20 relay postfix/smtpd\[9688\]: warning: unknown\[185.50.149.24\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 23 14:39:08 relay postfix/smtpd\[9656\]: warning: unknown\[185.50.149.24\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 23 14:39:24 relay postfix/smtpd\[4779\]: warning: unknown\[185.50.149.24\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 23 14:40:29 relay postfix/smtpd\[9656\]: warning: unknown\[185.50.149.24\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-04-23 20:52:55
106.54.234.21 attackbotsspam
Bruteforce detected by fail2ban
2020-04-23 21:10:10
185.33.203.190 attack
Unauthorized connection attempt from IP address 185.33.203.190 on Port 445(SMB)
2020-04-23 20:51:17
77.42.83.170 attackspambots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-04-23 20:58:29
202.179.13.34 attackspam
Unauthorized connection attempt from IP address 202.179.13.34 on Port 445(SMB)
2020-04-23 21:25:55
183.136.225.45 attackbots
Unauthorized connection attempt detected from IP address 183.136.225.45 to port 80 [T]
2020-04-23 21:04:06
182.19.211.195 attack
Telnet/23 MH Probe, Scan, BF, Hack -
2020-04-23 21:14:03

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