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 <<>> 104.21.21.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51383
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.72.			IN	A

;; AUTHORITY SECTION:
.			390	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 77 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 08:28:57 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 72.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 72.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
181.49.117.31 attack
Nov 14 03:32:53 Tower sshd[15409]: Connection from 181.49.117.31 port 50396 on 192.168.10.220 port 22
Nov 14 03:32:57 Tower sshd[15409]: Invalid user schlabs from 181.49.117.31 port 50396
Nov 14 03:32:57 Tower sshd[15409]: error: Could not get shadow information for NOUSER
Nov 14 03:32:57 Tower sshd[15409]: Failed password for invalid user schlabs from 181.49.117.31 port 50396 ssh2
Nov 14 03:32:58 Tower sshd[15409]: Received disconnect from 181.49.117.31 port 50396:11: Bye Bye [preauth]
Nov 14 03:32:58 Tower sshd[15409]: Disconnected from invalid user schlabs 181.49.117.31 port 50396 [preauth]
2019-11-14 17:05:31
180.124.242.103 attack
[Aegis] @ 2019-11-14 06:27:47  0000 -> Sendmail rejected message.
2019-11-14 16:50:08
175.120.105.73 attackbotsspam
UTC: 2019-11-13 port: 23/tcp
2019-11-14 17:09:40
188.166.208.131 attackbots
Nov 13 22:59:30 sachi sshd\[25973\]: Invalid user wwwadmin from 188.166.208.131
Nov 13 22:59:30 sachi sshd\[25973\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.208.131
Nov 13 22:59:32 sachi sshd\[25973\]: Failed password for invalid user wwwadmin from 188.166.208.131 port 53364 ssh2
Nov 13 23:03:51 sachi sshd\[26347\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.208.131  user=uucp
Nov 13 23:03:53 sachi sshd\[26347\]: Failed password for uucp from 188.166.208.131 port 34096 ssh2
2019-11-14 17:06:24
193.31.24.113 attack
11/14/2019-09:51:32.145487 193.31.24.113 Protocol: 6 SURICATA TLS invalid record/traffic
2019-11-14 16:51:48
112.15.38.218 attack
2019-11-14T07:19:03.896388struts4.enskede.local sshd\[2286\]: Invalid user backup from 112.15.38.218 port 37650
2019-11-14T07:19:03.905309struts4.enskede.local sshd\[2286\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.15.38.218
2019-11-14T07:19:06.704233struts4.enskede.local sshd\[2286\]: Failed password for invalid user backup from 112.15.38.218 port 37650 ssh2
2019-11-14T07:26:56.053748struts4.enskede.local sshd\[2332\]: Invalid user tindall from 112.15.38.218 port 48604
2019-11-14T07:26:56.063393struts4.enskede.local sshd\[2332\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.15.38.218
...
2019-11-14 16:48:04
66.115.169.241 attack
TCP Port Scanning
2019-11-14 16:48:30
91.226.50.45 attack
UTC: 2019-11-13 port: 23/tcp
2019-11-14 17:17:32
193.164.205.35 attack
SSH Brute-Force reported by Fail2Ban
2019-11-14 16:54:02
122.5.46.22 attackspam
2019-11-14T09:12:23.813601abusebot.cloudsearch.cf sshd\[14468\]: Invalid user davon from 122.5.46.22 port 53078
2019-11-14 17:24:51
150.109.170.68 attackspambots
Automatic report - Banned IP Access
2019-11-14 17:07:51
185.40.80.185 attackbots
Autoban   185.40.80.185 AUTH/CONNECT
2019-11-14 17:21:28
116.73.73.132 attackbots
19/11/14@01:27:42: FAIL: IoT-Telnet address from=116.73.73.132
...
2019-11-14 16:55:32
45.136.109.102 attackspam
11/14/2019-03:58:24.279813 45.136.109.102 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-11-14 17:15:38
78.186.145.189 attack
UTC: 2019-11-13 port: 23/tcp
2019-11-14 16:52:35

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