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 <<>> 104.21.66.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62330
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.54.			IN	A

;; AUTHORITY SECTION:
.			373	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:45:12 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 54.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
167.86.119.191 attackspam
" "
2019-07-24 19:56:45
162.243.144.89 attackspambots
firewall-block, port(s): 22366/tcp
2019-07-24 20:05:26
51.38.237.214 attack
Jul 24 14:19:29 SilenceServices sshd[9734]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.237.214
Jul 24 14:19:30 SilenceServices sshd[9734]: Failed password for invalid user stephane from 51.38.237.214 port 38142 ssh2
Jul 24 14:26:06 SilenceServices sshd[14480]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.237.214
2019-07-24 20:45:33
185.228.82.53 attackspam
Jul 24 07:22:32 localhost postfix/smtpd\[11750\]: warning: unknown\[185.228.82.53\]: SASL login authentication failed: UGFzc3dvcmQ6
Jul 24 07:22:39 localhost postfix/smtpd\[11750\]: warning: unknown\[185.228.82.53\]: SASL login authentication failed: UGFzc3dvcmQ6
Jul 24 07:22:49 localhost postfix/smtpd\[11563\]: warning: unknown\[185.228.82.53\]: SASL login authentication failed: UGFzc3dvcmQ6
Jul 24 07:23:13 localhost postfix/smtpd\[11563\]: warning: unknown\[185.228.82.53\]: SASL login authentication failed: UGFzc3dvcmQ6
Jul 24 07:23:20 localhost postfix/smtpd\[11563\]: warning: unknown\[185.228.82.53\]: SASL login authentication failed: UGFzc3dvcmQ6
...
2019-07-24 20:33:40
125.64.94.212 attackspam
24.07.2019 11:25:49 Connection to port 10443 blocked by firewall
2019-07-24 20:04:33
145.239.8.229 attackbotsspam
Jul 24 17:17:33 vibhu-HP-Z238-Microtower-Workstation sshd\[5954\]: Invalid user user3 from 145.239.8.229
Jul 24 17:17:33 vibhu-HP-Z238-Microtower-Workstation sshd\[5954\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.8.229
Jul 24 17:17:35 vibhu-HP-Z238-Microtower-Workstation sshd\[5954\]: Failed password for invalid user user3 from 145.239.8.229 port 42332 ssh2
Jul 24 17:21:52 vibhu-HP-Z238-Microtower-Workstation sshd\[6115\]: Invalid user gianluca from 145.239.8.229
Jul 24 17:21:52 vibhu-HP-Z238-Microtower-Workstation sshd\[6115\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.8.229
...
2019-07-24 20:03:28
183.131.82.99 attack
Jul 24 14:23:56 minden010 sshd[28747]: Failed password for root from 183.131.82.99 port 34672 ssh2
Jul 24 14:24:04 minden010 sshd[28794]: Failed password for root from 183.131.82.99 port 27011 ssh2
...
2019-07-24 20:25:34
218.92.0.168 attackbots
Fail2Ban Ban Triggered
2019-07-24 20:23:14
217.112.128.40 attack
Postfix RBL failed
2019-07-24 20:20:33
148.251.69.139 attack
20 attempts against mh-misbehave-ban on sonic.magehost.pro
2019-07-24 19:55:51
200.108.130.50 attackspambots
Automatic report - Banned IP Access
2019-07-24 20:44:53
117.66.243.77 attack
Jul 24 12:41:07 * sshd[23396]: Failed password for root from 117.66.243.77 port 42660 ssh2
Jul 24 12:49:02 * sshd[24314]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.66.243.77
2019-07-24 20:32:08
188.35.187.50 attack
Jul 24 13:58:05 s64-1 sshd[20694]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.35.187.50
Jul 24 13:58:07 s64-1 sshd[20694]: Failed password for invalid user mirror from 188.35.187.50 port 42194 ssh2
Jul 24 14:02:40 s64-1 sshd[20735]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.35.187.50
...
2019-07-24 20:19:54
37.59.116.10 attack
Jul 24 13:42:24 SilenceServices sshd[14712]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.116.10
Jul 24 13:42:26 SilenceServices sshd[14712]: Failed password for invalid user postgres from 37.59.116.10 port 44126 ssh2
Jul 24 13:48:07 SilenceServices sshd[18957]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.116.10
2019-07-24 20:05:01
139.198.18.120 attackspambots
Jul 24 14:19:11 giegler sshd[14785]: Invalid user gbase from 139.198.18.120 port 56238
2019-07-24 20:24:38

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