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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.52.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11012
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.104.			IN	A

;; AUTHORITY SECTION:
.			148	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:12:33 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 104.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 104.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.129.33.9 attack
 TCP (SYN) 45.129.33.9:42796 -> port 11581, len 44
2020-08-16 00:08:34
45.143.138.253 attack
Email rejected due to spam filtering
2020-08-16 00:16:57
103.254.172.204 attackbotsspam
20/8/15@08:20:33: FAIL: Alarm-Intrusion address from=103.254.172.204
...
2020-08-16 00:18:04
157.33.157.216 attackspam
Automatic report - Port Scan Attack
2020-08-16 00:39:11
165.22.251.121 attackspambots
165.22.251.121 - - [15/Aug/2020:14:03:31 +0100] "POST /wp-login.php HTTP/1.1" 200 1704 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.22.251.121 - - [15/Aug/2020:14:03:34 +0100] "POST /wp-login.php HTTP/1.1" 200 1706 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.22.251.121 - - [15/Aug/2020:14:03:35 +0100] "POST /xmlrpc.php HTTP/1.1" 200 247 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-16 00:14:00
187.191.96.60 attack
Aug 15 16:27:55 vpn01 sshd[11924]: Failed password for root from 187.191.96.60 port 36088 ssh2
...
2020-08-16 00:12:31
23.246.86.186 attack
Automatic report - Banned IP Access
2020-08-16 00:45:25
67.207.88.180 attackspambots
Aug 15 12:49:42 plex-server sshd[1448837]: Failed password for root from 67.207.88.180 port 36336 ssh2
Aug 15 12:50:54 plex-server sshd[1449361]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.207.88.180  user=root
Aug 15 12:50:55 plex-server sshd[1449361]: Failed password for root from 67.207.88.180 port 54040 ssh2
Aug 15 12:52:08 plex-server sshd[1449871]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.207.88.180  user=root
Aug 15 12:52:10 plex-server sshd[1449871]: Failed password for root from 67.207.88.180 port 43514 ssh2
...
2020-08-16 00:38:10
210.211.119.10 attackbotsspam
Aug 15 18:32:18 * sshd[29443]: Failed password for root from 210.211.119.10 port 36140 ssh2
2020-08-16 00:42:05
130.185.155.34 attackbots
Repeated brute force against a port
2020-08-16 00:22:58
51.15.227.83 attackbots
Aug 15 05:48:53 web1 sshd\[8159\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.227.83  user=root
Aug 15 05:48:55 web1 sshd\[8159\]: Failed password for root from 51.15.227.83 port 57078 ssh2
Aug 15 05:53:12 web1 sshd\[8568\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.227.83  user=root
Aug 15 05:53:14 web1 sshd\[8568\]: Failed password for root from 51.15.227.83 port 39064 ssh2
Aug 15 05:57:17 web1 sshd\[8971\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.227.83  user=root
2020-08-16 00:17:22
134.122.96.20 attack
Aug 15 16:12:57 vm1 sshd[5147]: Failed password for root from 134.122.96.20 port 55092 ssh2
...
2020-08-16 00:19:54
80.82.65.74 attackbots
firewall-block, port(s): 3316/tcp
2020-08-16 00:41:41
93.191.20.34 attackspambots
Repeated brute force against a port
2020-08-16 00:22:22
36.37.201.133 attackspam
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-08-16 00:07:13

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