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 <<>> 104.21.40.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48475
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.40.73.			IN	A

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

;; Query time: 78 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:59:08 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 73.40.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.40.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
175.176.90.134 attackspambots
1594210725 - 07/08/2020 14:18:45 Host: 175.176.90.134/175.176.90.134 Port: 445 TCP Blocked
2020-07-08 23:54:31
61.155.110.210 attack
Jul  8 16:48:03 hosting sshd[4518]: Invalid user software from 61.155.110.210 port 57602
...
2020-07-08 23:55:28
49.247.214.61 attackbotsspam
Jul  7 05:08:07 mail sshd[32212]: Failed password for nobody from 49.247.214.61 port 54806 ssh2
Jul  7 05:21:02 mail sshd[1530]: Failed password for mysql from 49.247.214.61 port 53428 ssh2
...
2020-07-09 00:01:51
206.189.88.27 attackspam
Jul  8 13:16:29 rocket sshd[2698]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.88.27
Jul  8 13:16:30 rocket sshd[2698]: Failed password for invalid user 3 from 206.189.88.27 port 41110 ssh2
...
2020-07-08 23:35:48
104.211.241.188 attackbotsspam
Jul  8 17:01:12 minden010 sshd[16281]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.211.241.188
Jul  8 17:01:14 minden010 sshd[16281]: Failed password for invalid user giva from 104.211.241.188 port 52278 ssh2
Jul  8 17:05:34 minden010 sshd[17152]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.211.241.188
...
2020-07-08 23:27:43
115.159.91.202 attackbotsspam
detected by Fail2Ban
2020-07-09 00:14:46
49.51.10.34 attackbots
[Wed Jun 10 06:01:31 2020] - DDoS Attack From IP: 49.51.10.34 Port: 57079
2020-07-08 23:44:56
172.105.105.87 attackspambots
18245/tcp 5601/tcp 64738/tcp
[2020-07-01/08]3pkt
2020-07-08 23:33:11
105.112.121.91 attackspam
Unauthorized connection attempt from IP address 105.112.121.91 on Port 445(SMB)
2020-07-09 00:08:11
131.196.219.90 attack
Jul  8 16:59:39 jane sshd[6707]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=131.196.219.90 
Jul  8 16:59:41 jane sshd[6707]: Failed password for invalid user josh from 131.196.219.90 port 58240 ssh2
...
2020-07-08 23:29:40
41.234.7.2 attack
5500/tcp
[2020-07-08]1pkt
2020-07-09 00:04:56
95.216.191.245 attackbotsspam
2020-07-08T13:14:46.383919mail.csmailer.org sshd[18665]: Failed password for mail from 95.216.191.245 port 40218 ssh2
2020-07-08T13:18:19.164444mail.csmailer.org sshd[18851]: Invalid user panrui from 95.216.191.245 port 40958
2020-07-08T13:18:19.168027mail.csmailer.org sshd[18851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=static.245.191.216.95.clients.your-server.de
2020-07-08T13:18:19.164444mail.csmailer.org sshd[18851]: Invalid user panrui from 95.216.191.245 port 40958
2020-07-08T13:18:21.183427mail.csmailer.org sshd[18851]: Failed password for invalid user panrui from 95.216.191.245 port 40958 ssh2
...
2020-07-08 23:47:30
27.254.206.238 attackbotsspam
Jul  8 17:04:52 lukav-desktop sshd\[22753\]: Invalid user leon from 27.254.206.238
Jul  8 17:04:52 lukav-desktop sshd\[22753\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.254.206.238
Jul  8 17:04:54 lukav-desktop sshd\[22753\]: Failed password for invalid user leon from 27.254.206.238 port 56000 ssh2
Jul  8 17:09:00 lukav-desktop sshd\[21695\]: Invalid user debian from 27.254.206.238
Jul  8 17:09:00 lukav-desktop sshd\[21695\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.254.206.238
2020-07-09 00:02:15
36.236.85.104 attackspam
88/tcp
[2020-07-08]1pkt
2020-07-09 00:11:12
182.253.243.235 attackspambots
445/tcp
[2020-07-08]1pkt
2020-07-08 23:59:14

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