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 <<>> 104.21.54.63
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20081
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.63.			IN	A

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

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:09:19 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 63.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 63.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
111.75.215.165 attackspam
20 attempts against mh-ssh on cloud
2020-09-10 03:19:35
5.152.159.31 attack
Sep  9 19:15:14 haigwepa sshd[7999]: Failed password for root from 5.152.159.31 port 35251 ssh2
...
2020-09-10 02:51:45
177.107.35.26 attack
Sep  9 19:33:17 haigwepa sshd[9035]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.107.35.26 
Sep  9 19:33:19 haigwepa sshd[9035]: Failed password for invalid user postgres from 177.107.35.26 port 52886 ssh2
...
2020-09-10 03:09:07
37.59.229.31 attackspam
Tried sshing with brute force.
2020-09-10 03:02:45
51.68.11.199 attack
masters-of-media.de 51.68.11.199 [09/Sep/2020:18:59:10 +0200] "POST /wp-login.php HTTP/1.1" 200 6822 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
masters-of-media.de 51.68.11.199 [09/Sep/2020:18:59:10 +0200] "POST /xmlrpc.php HTTP/1.1" 200 4071 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-09-10 02:52:20
45.95.168.96 attack
Sep  9 20:46:08 mail postfix/smtpd\[24499\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  9 20:47:12 mail postfix/smtpd\[24499\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  9 20:47:12 mail postfix/smtpd\[24656\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Sep  9 20:47:12 mail postfix/smtpd\[24453\]: warning: unknown\[45.95.168.96\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2020-09-10 02:49:50
175.37.108.29 attack
 TCP (SYN) 175.37.108.29:39557 -> port 8080, len 44
2020-09-10 03:00:28
185.39.11.105 attack
[N10.H2.VM2] Port Scanner Detected Blocked by UFW
2020-09-10 03:03:37
136.49.210.126 attackbots
Sep  9 11:43:44 propaganda sshd[6452]: Connection from 136.49.210.126 port 54404 on 10.0.0.161 port 22 rdomain ""
Sep  9 11:43:44 propaganda sshd[6452]: Invalid user pi from 136.49.210.126 port 54404
2020-09-10 02:47:43
148.72.64.192 attackbots
xmlrpc attack
2020-09-10 03:17:07
91.213.119.246 attackspambots
Dovecot Invalid User Login Attempt.
2020-09-10 03:22:48
61.150.115.117 attackspambots
3 failed Login Attempts - (Email Service)
2020-09-10 02:59:30
45.143.223.11 attack
[2020-09-09 14:41:54] NOTICE[1239][C-00000585] chan_sip.c: Call from '' (45.143.223.11:62604) to extension '9011441904911034' rejected because extension not found in context 'public'.
[2020-09-09 14:41:54] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-09T14:41:54.648-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011441904911034",SessionID="0x7f4d4804ac88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.223.11/62604",ACLName="no_extension_match"
[2020-09-09 14:42:05] NOTICE[1239][C-00000586] chan_sip.c: Call from '' (45.143.223.11:51694) to extension '000441904911034' rejected because extension not found in context 'public'.
[2020-09-09 14:42:05] SECURITY[1264] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-09-09T14:42:05.604-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="000441904911034",SessionID="0x7f4d480d6c18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD
...
2020-09-10 02:45:35
101.71.129.48 attackspam
2020-09-09T23:55:46.129283hostname sshd[79631]: Failed password for root from 101.71.129.48 port 2052 ssh2
2020-09-09T23:58:59.672475hostname sshd[80031]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.71.129.48  user=root
2020-09-09T23:59:01.865245hostname sshd[80031]: Failed password for root from 101.71.129.48 port 2053 ssh2
...
2020-09-10 02:55:44
218.92.0.173 attackbotsspam
Sep  9 19:00:45 localhost sshd[14653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
Sep  9 19:00:47 localhost sshd[14653]: Failed password for root from 218.92.0.173 port 22481 ssh2
Sep  9 19:00:51 localhost sshd[14653]: Failed password for root from 218.92.0.173 port 22481 ssh2
Sep  9 19:00:45 localhost sshd[14653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
Sep  9 19:00:47 localhost sshd[14653]: Failed password for root from 218.92.0.173 port 22481 ssh2
Sep  9 19:00:51 localhost sshd[14653]: Failed password for root from 218.92.0.173 port 22481 ssh2
Sep  9 19:00:45 localhost sshd[14653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
Sep  9 19:00:47 localhost sshd[14653]: Failed password for root from 218.92.0.173 port 22481 ssh2
Sep  9 19:00:51 localhost sshd[14653]: Failed password fo
...
2020-09-10 03:21:15

Recently Reported IPs

104.21.54.62 104.21.54.66 104.21.54.67 104.21.54.70
104.21.54.72 104.21.54.73 104.21.54.74 104.21.54.75
104.21.54.77 104.21.54.78 104.21.54.79 104.21.54.82
104.21.54.83 104.21.54.85 104.21.54.88 241.146.26.137
104.21.54.89 104.21.54.94 104.21.54.95 104.21.54.97