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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.72.9
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 27805
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.9.			IN	A

;; AUTHORITY SECTION:
.			195	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:18:46 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 9.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 9.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
180.179.48.101 attackbots
2020-02-06T11:52:22.783763struts4.enskede.local sshd\[27140\]: Invalid user dcp from 180.179.48.101 port 59599
2020-02-06T11:52:22.790254struts4.enskede.local sshd\[27140\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.179.48.101
2020-02-06T11:52:26.149076struts4.enskede.local sshd\[27140\]: Failed password for invalid user dcp from 180.179.48.101 port 59599 ssh2
2020-02-06T11:55:02.581909struts4.enskede.local sshd\[27145\]: Invalid user icb from 180.179.48.101 port 38401
2020-02-06T11:55:02.588241struts4.enskede.local sshd\[27145\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.179.48.101
...
2020-02-06 20:36:17
183.89.9.58 attackbots
Honeypot attack, port: 445, PTR: mx-ll-183.89.9-58.dynamic.3bb.in.th.
2020-02-06 20:40:05
185.184.79.32 attack
Unauthorized connection attempt from IP address 185.184.79.32 on Port 3389(RDP)
2020-02-06 21:05:07
178.32.76.141 attackspambots
TCP Port Scanning
2020-02-06 20:44:53
180.168.47.68 attackspambots
Unauthorized connection attempt detected from IP address 180.168.47.68 to port 2220 [J]
2020-02-06 20:41:52
185.40.73.6 attack
Honeypot attack, port: 445, PTR: 185-40-73-6.rdns.saglayici.net.
2020-02-06 20:30:57
87.92.81.21 attackspambots
Feb  6 05:49:46 vmanager6029 sshd\[17195\]: Invalid user lbo from 87.92.81.21 port 44872
Feb  6 05:49:46 vmanager6029 sshd\[17195\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.92.81.21
Feb  6 05:49:48 vmanager6029 sshd\[17195\]: Failed password for invalid user lbo from 87.92.81.21 port 44872 ssh2
2020-02-06 21:09:53
104.219.234.53 attack
[httpReq only by ip - not DomainName]
[bad UserAgent]
2020-02-06 20:53:56
129.211.2.241 attackbots
invalid login attempt (hzv)
2020-02-06 21:08:17
106.13.43.117 attackbotsspam
Feb  6 09:15:47 sd-53420 sshd\[22305\]: Invalid user xxz from 106.13.43.117
Feb  6 09:15:47 sd-53420 sshd\[22305\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.43.117
Feb  6 09:15:49 sd-53420 sshd\[22305\]: Failed password for invalid user xxz from 106.13.43.117 port 41790 ssh2
Feb  6 09:20:19 sd-53420 sshd\[22791\]: Invalid user nym from 106.13.43.117
Feb  6 09:20:19 sd-53420 sshd\[22791\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.43.117
...
2020-02-06 20:52:36
41.46.167.47 attackspam
2020-02-0605:48:031izZ58-0006za-7a\<=verena@rs-solution.chH=\(localhost\)[45.224.105.253]:36498P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2219id=8B8E386B60B49A29F5F0B901F594C5BD@rs-solution.chT="Wanttobecomefamiliarwithyou\,Anna"fordamieongoodwin5150@gmail.comjustemail@gmail.com2020-02-0605:48:451izZ5o-000728-1K\<=verena@rs-solution.chH=\(localhost\)[123.20.24.50]:42510P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2237id=FCF94F1C17C3ED5E8287CE76822652C8@rs-solution.chT="Haveyoubeencurrentlyinsearchoflove\?\,Anna"formuhammadhamzaawan598@gmail.comnba-24@outlook.com2020-02-0605:49:181izZ6L-000740-QN\<=verena@rs-solution.chH=\(localhost\)[171.236.146.117]:44805P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2212id=3D388EDDD6022C9F43460FB743869979@rs-solution.chT="Onlythoughtiwouldgettoknowyou\,Anna"forjustindaniel986@gmail.comtoddinalbany@gmail.com2020-02-0605:47:3
2020-02-06 20:49:16
180.211.100.201 attackspambots
2020-02-06T04:50:05.420785homeassistant sshd[17935]: Invalid user support from 180.211.100.201 port 63878
2020-02-06T04:50:09.692285homeassistant sshd[17935]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.211.100.201
...
2020-02-06 20:50:08
111.68.125.106 attackbots
Feb  6 07:06:05 plex sshd[15493]: Invalid user czo from 111.68.125.106 port 37448
2020-02-06 21:07:21
103.8.119.166 attackbotsspam
Feb  6 07:20:01 plusreed sshd[20226]: Invalid user flx from 103.8.119.166
...
2020-02-06 20:30:21
202.5.54.70 attackbots
email spam
2020-02-06 21:05:53

Recently Reported IPs

104.21.72.94 104.21.72.88 104.21.73.113 104.21.72.91
104.21.72.95 104.21.73.146 104.21.73.135 104.21.73.150
104.21.73.13 104.21.73.157 104.21.73.148 104.21.73.160
13.225.71.76 13.225.71.77 104.21.73.171 104.21.73.164
104.21.73.173 104.21.73.187 104.21.73.209 104.21.73.222