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 <<>> 104.21.39.221
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33071
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.221.			IN	A

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

;; Query time: 21 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:27:38 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 221.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 221.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.21.148.16 attack
Triggered by Fail2Ban
2019-07-14 16:18:46
212.14.166.74 attack
Unauthorized connection attempt from IP address 212.14.166.74 on Port 445(SMB)
2019-07-14 16:37:29
201.108.3.119 attackbots
Unauthorized connection attempt from IP address 201.108.3.119 on Port 445(SMB)
2019-07-14 16:53:42
197.253.6.249 attack
Jul 14 03:16:59 aat-srv002 sshd[3731]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.253.6.249
Jul 14 03:17:00 aat-srv002 sshd[3731]: Failed password for invalid user admin from 197.253.6.249 port 33694 ssh2
Jul 14 03:22:56 aat-srv002 sshd[3850]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.253.6.249
Jul 14 03:22:58 aat-srv002 sshd[3850]: Failed password for invalid user tzhang from 197.253.6.249 port 34081 ssh2
...
2019-07-14 16:51:39
103.218.3.124 attackbotsspam
Jul 14 06:24:02 sshgateway sshd\[27678\]: Invalid user test3 from 103.218.3.124
Jul 14 06:24:02 sshgateway sshd\[27678\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.218.3.124
Jul 14 06:24:04 sshgateway sshd\[27678\]: Failed password for invalid user test3 from 103.218.3.124 port 42773 ssh2
2019-07-14 16:55:09
116.107.158.190 attack
Unauthorized connection attempt from IP address 116.107.158.190 on Port 445(SMB)
2019-07-14 16:44:09
188.226.187.115 attack
Jul 14 02:34:08 microserver sshd[64952]: Invalid user zeng from 188.226.187.115 port 42469
Jul 14 02:34:08 microserver sshd[64952]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.226.187.115
Jul 14 02:34:11 microserver sshd[64952]: Failed password for invalid user zeng from 188.226.187.115 port 42469 ssh2
Jul 14 02:38:47 microserver sshd[685]: Invalid user m1 from 188.226.187.115 port 43135
Jul 14 02:38:47 microserver sshd[685]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.226.187.115
Jul 14 02:52:50 microserver sshd[3829]: Invalid user developer from 188.226.187.115 port 45137
Jul 14 02:52:50 microserver sshd[3829]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.226.187.115
Jul 14 02:52:52 microserver sshd[3829]: Failed password for invalid user developer from 188.226.187.115 port 45137 ssh2
Jul 14 02:57:34 microserver sshd[4841]: Invalid user liang from 188.226.187.115 por
2019-07-14 16:14:38
153.36.240.126 attackbotsspam
SSH Brute Force, server-1 sshd[31378]: Failed password for root from 153.36.240.126 port 39832 ssh2
2019-07-14 16:19:48
168.197.107.101 attackspam
14.07.2019 02:30:55 - SMTP Spam without Auth on hMailserver 
Detected by ELinOX-hMail-A2F
2019-07-14 16:16:34
219.140.94.123 attackbotsspam
Jul 14 06:41:04 cip-sv-login01 sshd[23136]: Invalid user ubnt from 219.140.94.123
Jul 14 06:41:06 cip-sv-login01 sshd[23137]: Invalid user admin from 219.140.94.123
Jul 14 06:41:07 cip-sv-login01 sshd[23136]: Failed password for invalid user ubnt from 219.140.94.123 port 57018 ssh2
Jul 14 06:41:08 cip-sv-login01 sshd[23137]: Failed password for invalid user admin from 219.140.94.123 port 57017 ssh2

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=219.140.94.123
2019-07-14 16:49:29
184.105.247.246 attackspam
firewall-block, port(s): 623/udp
2019-07-14 17:02:02
222.172.5.102 attackbotsspam
Unauthorized connection attempt from IP address 222.172.5.102 on Port 445(SMB)
2019-07-14 16:40:40
36.111.35.10 attackspambots
Jul 14 09:56:55 minden010 sshd[29783]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.111.35.10
Jul 14 09:56:57 minden010 sshd[29783]: Failed password for invalid user gan from 36.111.35.10 port 54141 ssh2
Jul 14 09:59:50 minden010 sshd[30754]: Failed password for root from 36.111.35.10 port 37572 ssh2
...
2019-07-14 16:26:31
95.110.166.43 attack
2019-07-14T08:08:32.6444471240 sshd\[27002\]: Invalid user bravo from 95.110.166.43 port 58141
2019-07-14T08:08:32.6528571240 sshd\[27002\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.110.166.43
2019-07-14T08:08:34.4219861240 sshd\[27002\]: Failed password for invalid user bravo from 95.110.166.43 port 58141 ssh2
...
2019-07-14 16:09:56
200.94.150.22 attack
Unauthorized connection attempt from IP address 200.94.150.22 on Port 445(SMB)
2019-07-14 16:28:02

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