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 <<>> 104.21.21.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26848
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.73.			IN	A

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

;; Query time: 39 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:16:08 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 73.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.30.76 attackbotsspam
Aug 13 10:10:39 santamaria sshd\[19719\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.76  user=root
Aug 13 10:10:42 santamaria sshd\[19719\]: Failed password for root from 222.186.30.76 port 50479 ssh2
Aug 13 10:10:44 santamaria sshd\[19719\]: Failed password for root from 222.186.30.76 port 50479 ssh2
...
2020-08-13 16:11:20
128.199.95.163 attackspambots
Port 22 Scan, PTR: None
2020-08-13 16:04:51
141.98.9.161 attackspambots
SSH Brute-Force attacks
2020-08-13 15:55:37
201.132.87.151 attackbots
Symantec Web Gateway Remote Command Execution Vulnerability, PTR: customer-TXP-MCA-87-151.megared.net.mx.
2020-08-13 16:20:06
45.55.180.7 attack
Aug 13 09:24:59 piServer sshd[20358]: Failed password for root from 45.55.180.7 port 34332 ssh2
Aug 13 09:30:10 piServer sshd[21039]: Failed password for root from 45.55.180.7 port 48719 ssh2
...
2020-08-13 15:56:15
67.70.77.249 attack
SSH login attempts brute force.
2020-08-13 15:59:46
92.50.249.166 attackspambots
(sshd) Failed SSH login from 92.50.249.166 (RU/Russia/-): 5 in the last 3600 secs
2020-08-13 16:19:27
212.70.149.3 attackbots
Aug 13 10:13:45 galaxy event: galaxy/lswi: smtp: nanon@uni-potsdam.de [212.70.149.3] authentication failure using internet password
Aug 13 10:14:02 galaxy event: galaxy/lswi: smtp: naohiko@uni-potsdam.de [212.70.149.3] authentication failure using internet password
Aug 13 10:14:22 galaxy event: galaxy/lswi: smtp: naoma@uni-potsdam.de [212.70.149.3] authentication failure using internet password
Aug 13 10:14:41 galaxy event: galaxy/lswi: smtp: naomi@uni-potsdam.de [212.70.149.3] authentication failure using internet password
Aug 13 10:15:00 galaxy event: galaxy/lswi: smtp: nara@uni-potsdam.de [212.70.149.3] authentication failure using internet password
...
2020-08-13 16:16:12
190.215.117.149 attackbots
Microsoft SQL Server User Authentication Brute Force Attempt , PTR: static.190.215.117.149.gtdinternet.com.
2020-08-13 16:22:52
183.250.89.179 attackspam
Port scan denied
2020-08-13 16:08:20
14.190.155.232 attackspam
1597290741 - 08/13/2020 05:52:21 Host: 14.190.155.232/14.190.155.232 Port: 445 TCP Blocked
2020-08-13 16:04:23
34.67.85.82 attackbotsspam
2020-08-13T10:48:53.904588hostname sshd[10087]: Failed password for root from 34.67.85.82 port 55378 ssh2
2020-08-13T10:52:34.178070hostname sshd[11098]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.85.67.34.bc.googleusercontent.com  user=root
2020-08-13T10:52:35.625594hostname sshd[11098]: Failed password for root from 34.67.85.82 port 38316 ssh2
...
2020-08-13 15:54:30
114.67.110.48 attackbotsspam
Aug 13 08:40:38 ovpn sshd\[8273\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.110.48  user=root
Aug 13 08:40:41 ovpn sshd\[8273\]: Failed password for root from 114.67.110.48 port 50122 ssh2
Aug 13 08:58:43 ovpn sshd\[12630\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.110.48  user=root
Aug 13 08:58:45 ovpn sshd\[12630\]: Failed password for root from 114.67.110.48 port 52498 ssh2
Aug 13 09:03:35 ovpn sshd\[13794\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.110.48  user=root
2020-08-13 16:25:05
177.131.6.15 attackspam
"Unauthorized connection attempt on SSHD detected"
2020-08-13 16:05:51
65.49.20.68 attack
Icarus honeypot on github
2020-08-13 16:22:04

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