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 <<>> 104.21.212.172
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14539
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.212.172.			IN	A

;; AUTHORITY SECTION:
.			594	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022030800 1800 900 604800 86400

;; Query time: 21 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Mar 08 14:12:19 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 172.212.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 172.212.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.52.151.34 attackbots
Jan 23 08:51:09 h2812830 sshd[30408]: Invalid user zhangyan from 106.52.151.34 port 34832
Jan 23 08:51:10 h2812830 sshd[30408]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.151.34
Jan 23 08:51:09 h2812830 sshd[30408]: Invalid user zhangyan from 106.52.151.34 port 34832
Jan 23 08:51:11 h2812830 sshd[30408]: Failed password for invalid user zhangyan from 106.52.151.34 port 34832 ssh2
Jan 23 08:51:13 h2812830 sshd[30414]: Invalid user dff from 106.52.151.34 port 37556
...
2020-01-23 19:02:32
77.147.91.221 attackspambots
Unauthorized connection attempt detected from IP address 77.147.91.221 to port 2220 [J]
2020-01-23 18:52:56
104.248.170.45 attackspam
"SSH brute force auth login attempt."
2020-01-23 19:22:25
61.183.178.194 attackspam
Unauthorized connection attempt detected from IP address 61.183.178.194 to port 2220 [J]
2020-01-23 19:04:36
102.40.21.197 attackspam
"SMTP brute force auth login attempt."
2020-01-23 19:09:07
206.189.98.225 attackspambots
"SSH brute force auth login attempt."
2020-01-23 19:05:19
69.158.207.141 attackbots
SSH Brute-Force reported by Fail2Ban
2020-01-23 19:13:23
86.35.37.186 attackspambots
Unauthorized connection attempt detected from IP address 86.35.37.186 to port 2220 [J]
2020-01-23 18:51:05
185.20.185.25 attackbots
"SSH brute force auth login attempt."
2020-01-23 19:01:44
183.56.212.91 attackbots
Unauthorized connection attempt detected from IP address 183.56.212.91 to port 2220 [J]
2020-01-23 19:24:38
80.211.158.23 attackbots
$f2bV_matches
2020-01-23 18:55:50
139.28.36.16 attack
"SSH brute force auth login attempt."
2020-01-23 18:50:14
103.107.228.150 attack
Portscan or hack attempt detected by psad/fwsnort
2020-01-23 18:48:57
52.254.87.129 attackbotsspam
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.254.87.129 
Failed password for invalid user tareq from 52.254.87.129 port 35698 ssh2
Failed password for nobody from 52.254.87.129 port 53798 ssh2
2020-01-23 19:16:11
201.49.110.210 attackbots
Unauthorized connection attempt detected from IP address 201.49.110.210 to port 2220 [J]
2020-01-23 19:03:13

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