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 <<>> 104.21.21.208
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26039
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.208.			IN	A

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

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:55:33 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 208.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 208.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
164.68.112.178 attackbotsspam
Unauthorized connection attempt detected from IP address 164.68.112.178 to port 631 [T]
2020-05-05 14:55:16
200.143.191.58 attackspam
SSH brutforce
2020-05-05 14:25:08
139.5.145.116 attack
May  5 03:52:04 home sshd[17236]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.5.145.116
May  5 03:52:05 home sshd[17236]: Failed password for invalid user aureliano from 139.5.145.116 port 11576 ssh2
May  5 03:56:38 home sshd[17968]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.5.145.116
...
2020-05-05 14:27:42
140.143.208.213 attackbots
May  5 03:12:08 vps333114 sshd[3027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.208.213
May  5 03:12:11 vps333114 sshd[3027]: Failed password for invalid user maurice from 140.143.208.213 port 37090 ssh2
...
2020-05-05 14:27:22
217.28.145.86 attackspam
1588640852 - 05/05/2020 03:07:32 Host: 217.28.145.86/217.28.145.86 Port: 445 TCP Blocked
2020-05-05 14:37:25
88.157.229.58 attackspam
May  5 06:01:39 Ubuntu-1404-trusty-64-minimal sshd\[15528\]: Invalid user anderson from 88.157.229.58
May  5 06:01:39 Ubuntu-1404-trusty-64-minimal sshd\[15528\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.157.229.58
May  5 06:01:41 Ubuntu-1404-trusty-64-minimal sshd\[15528\]: Failed password for invalid user anderson from 88.157.229.58 port 54428 ssh2
May  5 06:08:06 Ubuntu-1404-trusty-64-minimal sshd\[17451\]: Invalid user csv from 88.157.229.58
May  5 06:08:06 Ubuntu-1404-trusty-64-minimal sshd\[17451\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.157.229.58
2020-05-05 14:40:45
186.147.129.110 attackspambots
2020-05-05T01:43:51.691876shield sshd\[23441\]: Invalid user liang from 186.147.129.110 port 33714
2020-05-05T01:43:51.696400shield sshd\[23441\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.147.129.110
2020-05-05T01:43:53.644953shield sshd\[23441\]: Failed password for invalid user liang from 186.147.129.110 port 33714 ssh2
2020-05-05T01:45:42.552503shield sshd\[24147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.147.129.110  user=root
2020-05-05T01:45:45.073104shield sshd\[24147\]: Failed password for root from 186.147.129.110 port 60312 ssh2
2020-05-05 14:43:41
116.101.234.31 attackbotsspam
Honeypot attack, port: 445, PTR: dynamic-ip-adsl.viettel.vn.
2020-05-05 14:57:08
175.124.43.162 attack
May  5 03:44:53 ns382633 sshd\[10243\]: Invalid user jmb from 175.124.43.162 port 55060
May  5 03:44:54 ns382633 sshd\[10243\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.124.43.162
May  5 03:44:56 ns382633 sshd\[10243\]: Failed password for invalid user jmb from 175.124.43.162 port 55060 ssh2
May  5 03:46:14 ns382633 sshd\[10842\]: Invalid user vendas from 175.124.43.162 port 41230
May  5 03:46:14 ns382633 sshd\[10842\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.124.43.162
2020-05-05 14:32:24
118.45.153.163 attackbotsspam
Unauthorized connection attempt detected from IP address 118.45.153.163 to port 21
2020-05-05 14:56:19
138.68.236.50 attackspam
SSH Bruteforce attack
2020-05-05 14:44:57
165.227.46.89 attackspambots
May  5 03:07:32 tuxlinux sshd[30840]: Invalid user mailman from 165.227.46.89 port 47970
May  5 03:07:32 tuxlinux sshd[30840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.46.89 
May  5 03:07:32 tuxlinux sshd[30840]: Invalid user mailman from 165.227.46.89 port 47970
May  5 03:07:32 tuxlinux sshd[30840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.46.89 
May  5 03:07:32 tuxlinux sshd[30840]: Invalid user mailman from 165.227.46.89 port 47970
May  5 03:07:32 tuxlinux sshd[30840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.46.89 
May  5 03:07:35 tuxlinux sshd[30840]: Failed password for invalid user mailman from 165.227.46.89 port 47970 ssh2
...
2020-05-05 14:32:54
103.21.143.161 attack
May  5 08:14:03 sip sshd[119300]: Failed password for invalid user vyos from 103.21.143.161 port 55524 ssh2
May  5 08:23:58 sip sshd[119406]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.21.143.161  user=root
May  5 08:24:00 sip sshd[119406]: Failed password for root from 103.21.143.161 port 59354 ssh2
...
2020-05-05 14:50:44
59.36.172.8 attackspam
May  5 03:59:42 ift sshd\[10516\]: Invalid user xochitl from 59.36.172.8May  5 03:59:44 ift sshd\[10516\]: Failed password for invalid user xochitl from 59.36.172.8 port 55866 ssh2May  5 04:03:35 ift sshd\[11122\]: Invalid user gao from 59.36.172.8May  5 04:03:37 ift sshd\[11122\]: Failed password for invalid user gao from 59.36.172.8 port 57214 ssh2May  5 04:07:28 ift sshd\[12068\]: Invalid user ericsson from 59.36.172.8
...
2020-05-05 14:43:22
193.202.45.202 attackbots
Port scan(s) denied
2020-05-05 14:48:07

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