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 <<>> 104.21.53.210
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60835
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.210.			IN	A

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

;; Query time: 55 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:12:54 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 210.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 210.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.31.135 attackspam
Mar  6 10:56:42 server sshd[775142]: Failed password for root from 222.186.31.135 port 18915 ssh2
Mar  6 10:56:44 server sshd[775142]: Failed password for root from 222.186.31.135 port 18915 ssh2
Mar  6 10:56:48 server sshd[775142]: Failed password for root from 222.186.31.135 port 18915 ssh2
2020-03-06 18:00:07
109.104.198.40 attackbotsspam
Mar  6 09:40:17 localhost sshd\[6913\]: Invalid user user from 109.104.198.40
Mar  6 09:40:17 localhost sshd\[6913\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.104.198.40
Mar  6 09:40:18 localhost sshd\[6913\]: Failed password for invalid user user from 109.104.198.40 port 40310 ssh2
Mar  6 09:43:54 localhost sshd\[7223\]: Invalid user admin from 109.104.198.40
Mar  6 09:43:54 localhost sshd\[7223\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.104.198.40
...
2020-03-06 18:06:47
104.248.135.31 attack
xmlrpc attack
2020-03-06 18:31:19
185.143.223.161 attack
Mar  6 11:06:42 mail.srvfarm.net postfix/smtpd[2045407]: NOQUEUE: reject: RCPT from unknown[185.143.223.161]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=<[185.143.223.170]>
Mar  6 11:06:42 mail.srvfarm.net postfix/smtpd[2045407]: NOQUEUE: reject: RCPT from unknown[185.143.223.161]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=<[185.143.223.170]>
Mar  6 11:06:42 mail.srvfarm.net postfix/smtpd[2045407]: NOQUEUE: reject: RCPT from unknown[185.143.223.161]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=<[185.143.223.170]>
Mar  6 11:06:42 mail.srvfarm.net postfix/smtpd[2045407]: NOQUEUE: reject: RCPT from unknown[185.143.223.161]: 554 5.7.1 : Relay access denied; from= to= proto=
2020-03-06 18:35:30
217.112.142.171 attack
Mar  6 05:53:14 web01.agentur-b-2.de postfix/smtpd[507242]: NOQUEUE: reject: RCPT from unknown[217.112.142.171]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Mar  6 05:53:17 web01.agentur-b-2.de postfix/smtpd[504416]: NOQUEUE: reject: RCPT from unknown[217.112.142.171]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Mar  6 05:53:17 web01.agentur-b-2.de postfix/smtpd[513973]: NOQUEUE: reject: RCPT from unknown[217.112.142.171]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Mar  6 05:53:19 web01.agentur-b-2.de postfix/smtpd[503576]: NOQUEUE: reject: RCPT from unknown[217.112.142.171]: 450 4.7.1 : Helo command rejec
2020-03-06 18:34:10
180.183.44.205 attackbots
1583470339 - 03/06/2020 05:52:19 Host: 180.183.44.205/180.183.44.205 Port: 445 TCP Blocked
2020-03-06 17:57:51
118.170.185.193 attackbots
1583470285 - 03/06/2020 05:51:25 Host: 118.170.185.193/118.170.185.193 Port: 445 TCP Blocked
2020-03-06 18:30:19
187.75.145.66 attack
Mar  6 10:05:22 lnxmysql61 sshd[7902]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.75.145.66
2020-03-06 17:58:47
159.89.10.77 attack
Brute-force attempt banned
2020-03-06 18:16:50
118.89.38.98 attack
Mar  6 09:42:45 internal-server-tf sshd\[20202\]: Invalid user oracle from 118.89.38.98Mar  6 09:47:15 internal-server-tf sshd\[20301\]: Invalid user ftpuser from 118.89.38.98
...
2020-03-06 18:36:51
182.253.70.125 attackspam
1583470332 - 03/06/2020 05:52:12 Host: 182.253.70.125/182.253.70.125 Port: 445 TCP Blocked
2020-03-06 18:00:29
177.125.202.205 attack
Unauthorised access (Mar  6) SRC=177.125.202.205 LEN=44 TTL=50 ID=58149 TCP DPT=23 WINDOW=34494 SYN
2020-03-06 18:12:35
206.189.132.8 attackspam
Mar  6 12:43:27 server sshd\[13125\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.132.8  user=saslauth
Mar  6 12:43:29 server sshd\[13125\]: Failed password for saslauth from 206.189.132.8 port 47406 ssh2
Mar  6 12:51:12 server sshd\[14659\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.132.8  user=root
Mar  6 12:51:14 server sshd\[14659\]: Failed password for root from 206.189.132.8 port 55596 ssh2
Mar  6 12:54:46 server sshd\[14971\]: Invalid user kafka from 206.189.132.8
Mar  6 12:54:46 server sshd\[14971\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.132.8 
...
2020-03-06 18:19:43
86.35.37.186 attackbotsspam
SSH invalid-user multiple login attempts
2020-03-06 17:55:37
86.123.118.169 attackspam
Automatic report - Port Scan Attack
2020-03-06 17:53:53

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