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: None

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 <<>> 104.21.53.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21292
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.51.			IN	A

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

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:01:32 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 51.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 51.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.227.162.98 attackbots
proto=tcp  .  spt=51362  .  dpt=25  .     Found on   Dark List de      (342)
2020-01-23 15:49:08
211.254.214.150 attackbots
Unauthorized connection attempt detected from IP address 211.254.214.150 to port 2220 [J]
2020-01-23 15:44:25
37.59.66.56 attack
Jan 23 03:04:23 ms-srv sshd[619]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.66.56
Jan 23 03:04:25 ms-srv sshd[619]: Failed password for invalid user jw from 37.59.66.56 port 57411 ssh2
2020-01-23 15:32:35
198.54.116.118 attackspambots
IDENTITY THEFT ATTEMPT FRAUD FROM SBY-TELECOM.INFO WITH A ORIGINATING EMAIL FROM OCN.AD.JP OF info@hokuetsushokan.com  AND A REPLY TO EMAIL ADDRESS AT COPR.MAIL.RU OF info@shuaa-creditcorp.ru
2020-01-23 15:21:21
118.184.32.7 attackspam
RUSSIAN PORN SPAM !
2020-01-23 15:33:49
102.23.247.106 attackbotsspam
Unauthorized connection attempt detected from IP address 102.23.247.106 to port 23 [J]
2020-01-23 15:46:43
178.48.85.29 attackbotsspam
Invalid user update from 178.48.85.29 port 53690
2020-01-23 15:54:10
185.220.101.27 attackbots
01/23/2020-06:59:39.919524 185.220.101.27 Protocol: 6 ET TOR Known Tor Exit Node Traffic group 31
2020-01-23 15:48:52
103.107.105.7 attackbots
Invalid user daniel from 103.107.105.7 port 60058
2020-01-23 15:42:16
159.135.237.181 attackbots
originated or passed SPAM,UCE
2020-01-23 15:35:31
106.13.223.19 attack
Jan 22 14:09:37 firewall sshd[23681]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.223.19  user=root
Jan 22 14:09:39 firewall sshd[23681]: Failed password for root from 106.13.223.19 port 33728 ssh2
Jan 22 14:12:32 firewall sshd[23728]: Invalid user svnadmin from 106.13.223.19
...
2020-01-23 15:45:56
31.172.217.118 attack
proto=tcp  .  spt=48311  .  dpt=25  .     Found on   Blocklist de       (347)
2020-01-23 15:19:02
37.187.44.143 attackbots
"SSH brute force auth login attempt."
2020-01-23 15:57:12
182.61.37.35 attack
Unauthorized connection attempt detected from IP address 182.61.37.35 to port 2220 [J]
2020-01-23 15:19:57
132.148.104.16 attackbots
xmlrpc attack
2020-01-23 15:50:49

Recently Reported IPs

104.21.53.47 104.21.53.52 104.21.53.55 104.21.53.58
104.21.53.59 104.21.53.60 130.54.84.80 104.21.53.64
104.21.53.65 104.21.53.7 104.21.53.70 104.21.53.77
104.21.53.82 186.65.80.1 104.21.53.83 104.21.53.85
104.21.53.88 104.21.53.89 104.21.53.9 104.21.53.91