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 <<>> 104.21.72.219
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20163
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.219.			IN	A

;; AUTHORITY SECTION:
.			287	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:36:53 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 219.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 219.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.12.74.123 attack
k+ssh-bruteforce
2020-02-29 23:19:41
64.190.205.9 attackspam
*Port Scan* detected from 64.190.205.9 (US/United States/64.190.205.9.static.skysilk.com). 4 hits in the last 121 seconds
2020-02-29 22:56:44
113.163.222.122 attackbotsspam
1582986421 - 02/29/2020 15:27:01 Host: 113.163.222.122/113.163.222.122 Port: 445 TCP Blocked
2020-02-29 23:26:59
37.187.195.209 attack
Feb 29 21:29:01 webhost01 sshd[21389]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.187.195.209
Feb 29 21:29:03 webhost01 sshd[21389]: Failed password for invalid user www from 37.187.195.209 port 48562 ssh2
...
2020-02-29 23:10:45
95.105.233.209 attack
Feb 29 15:27:50 MK-Soft-VM8 sshd[11374]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.105.233.209 
Feb 29 15:27:51 MK-Soft-VM8 sshd[11374]: Failed password for invalid user cms from 95.105.233.209 port 33350 ssh2
...
2020-02-29 22:54:28
40.77.167.84 attack
Automatic report - Banned IP Access
2020-02-29 23:15:25
197.254.7.178 attackbots
2020-02-29 15:27:03 H=(0) [197.254.7.178] F= rejected RCPT : Sender verify failed
2020-02-29 15:27:03 H=(0) [197.254.7.178] F= rejected RCPT : Sender verify failed
...
2020-02-29 23:25:35
218.92.0.158 attackbotsspam
[ssh] SSH attack
2020-02-29 23:00:24
191.54.66.38 attackbotsspam
Automatic report - Port Scan Attack
2020-02-29 22:52:20
36.71.232.189 attackspam
$f2bV_matches
2020-02-29 23:06:59
191.7.152.13 attackbotsspam
Feb 29 15:48:54 vps647732 sshd[2443]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.7.152.13
Feb 29 15:48:56 vps647732 sshd[2443]: Failed password for invalid user server from 191.7.152.13 port 53948 ssh2
...
2020-02-29 22:53:18
223.71.167.164 attackspambots
29.02.2020 14:38:32 Connection to port 666 blocked by firewall
2020-02-29 22:53:01
112.85.42.188 attackspambots
02/29/2020-10:18:37.374817 112.85.42.188 Protocol: 6 ET SCAN Potential SSH Scan
2020-02-29 23:22:12
121.228.250.132 attack
Feb 29 14:21:54 ip-172-31-62-245 sshd\[24911\]: Invalid user rpc from 121.228.250.132\
Feb 29 14:21:56 ip-172-31-62-245 sshd\[24911\]: Failed password for invalid user rpc from 121.228.250.132 port 55125 ssh2\
Feb 29 14:24:37 ip-172-31-62-245 sshd\[24935\]: Invalid user miyazawa from 121.228.250.132\
Feb 29 14:24:39 ip-172-31-62-245 sshd\[24935\]: Failed password for invalid user miyazawa from 121.228.250.132 port 39322 ssh2\
Feb 29 14:27:48 ip-172-31-62-245 sshd\[24978\]: Failed password for www-data from 121.228.250.132 port 51751 ssh2\
2020-02-29 22:55:05
171.11.109.57 attack
Unauthorised access (Feb 29) SRC=171.11.109.57 LEN=44 TTL=243 ID=50225 TCP DPT=445 WINDOW=1024 SYN
2020-02-29 23:08:34

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