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 <<>> 104.21.53.3
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 61936
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.3.			IN	A

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

;; Query time: 28 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:12:55 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 3.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 3.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.231.139.130 attack
2019-07-19T03:18:02.758823beta postfix/smtpd[7195]: warning: unknown[103.231.139.130]: SASL LOGIN authentication failed: authentication failure
2019-07-19T03:19:09.681809beta postfix/smtpd[7195]: warning: unknown[103.231.139.130]: SASL LOGIN authentication failed: authentication failure
2019-07-19T03:20:15.859205beta postfix/smtpd[7195]: warning: unknown[103.231.139.130]: SASL LOGIN authentication failed: authentication failure
...
2019-07-19 10:36:48
165.227.41.202 attackbotsspam
Mar  7 11:20:36 vpn sshd[11052]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.41.202
Mar  7 11:20:38 vpn sshd[11052]: Failed password for invalid user tester from 165.227.41.202 port 57074 ssh2
Mar  7 11:26:29 vpn sshd[11063]: Failed password for root from 165.227.41.202 port 60424 ssh2
2019-07-19 10:52:56
165.227.37.243 attackbots
May 11 17:18:21 vpn sshd[18215]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.37.243  user=root
May 11 17:18:23 vpn sshd[18215]: Failed password for root from 165.227.37.243 port 39071 ssh2
May 11 17:19:12 vpn sshd[18217]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.37.243  user=root
May 11 17:19:14 vpn sshd[18217]: Failed password for root from 165.227.37.243 port 56521 ssh2
May 11 17:20:22 vpn sshd[18241]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.37.243  user=root
2019-07-19 10:53:41
165.227.69.39 attackbots
Jan 16 06:57:38 vpn sshd[16715]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.69.39
Jan 16 06:57:39 vpn sshd[16715]: Failed password for invalid user webalizer from 165.227.69.39 port 49102 ssh2
Jan 16 07:00:34 vpn sshd[17638]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.69.39
2019-07-19 10:44:34
165.227.212.99 attackbotsspam
Invalid user sammy from 165.227.212.99 port 41222
2019-07-19 11:01:40
195.176.3.19 attack
Scans for vulnerable PHP code on Wordpress sites
2019-07-19 10:48:47
165.227.53.51 attack
Mar 20 19:39:23 vpn sshd[32051]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.53.51
Mar 20 19:39:24 vpn sshd[32051]: Failed password for invalid user pawel from 165.227.53.51 port 59586 ssh2
Mar 20 19:43:55 vpn sshd[32077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.53.51
2019-07-19 10:49:34
164.132.104.58 attackspambots
Jul 19 04:24:17 meumeu sshd[23705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.104.58 
Jul 19 04:24:19 meumeu sshd[23705]: Failed password for invalid user testuser from 164.132.104.58 port 58812 ssh2
Jul 19 04:28:55 meumeu sshd[24543]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.104.58 
...
2019-07-19 10:30:48
142.93.208.158 attackbots
19.07.2019 02:02:44 SSH access blocked by firewall
2019-07-19 10:35:13
45.55.176.173 attackspam
Jul 19 02:31:01 animalibera sshd[11611]: Invalid user gerente from 45.55.176.173 port 56767
...
2019-07-19 10:52:36
165.227.93.58 attack
Jul 19 04:30:00 s64-1 sshd[19589]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.93.58
Jul 19 04:30:03 s64-1 sshd[19589]: Failed password for invalid user isa from 165.227.93.58 port 50248 ssh2
Jul 19 04:35:31 s64-1 sshd[19693]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.93.58
...
2019-07-19 10:39:28
165.227.17.252 attackbotsspam
Nov 30 08:40:19 vpn sshd[2157]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.17.252
Nov 30 08:40:21 vpn sshd[2157]: Failed password for invalid user ark from 165.227.17.252 port 23241 ssh2
Nov 30 08:47:16 vpn sshd[2201]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.17.252
2019-07-19 11:08:04
165.227.213.177 attack
Sep 24 18:45:24 vpn sshd[22560]: Invalid user jesse from 165.227.213.177
Sep 24 18:45:24 vpn sshd[22560]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.213.177
Sep 24 18:45:25 vpn sshd[22560]: Failed password for invalid user jesse from 165.227.213.177 port 52064 ssh2
Sep 24 18:53:31 vpn sshd[22569]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.213.177  user=root
Sep 24 18:53:33 vpn sshd[22569]: Failed password for root from 165.227.213.177 port 36164 ssh2
2019-07-19 10:58:31
69.88.163.18 attackspambots
Unauthorised access (Jul 19) SRC=69.88.163.18 LEN=40 TTL=243 ID=34331 TCP DPT=139 WINDOW=1024 SYN 
Unauthorised access (Jul 17) SRC=69.88.163.18 LEN=40 TTL=243 ID=4836 TCP DPT=139 WINDOW=1024 SYN 
Unauthorised access (Jul 16) SRC=69.88.163.18 LEN=40 TTL=243 ID=17815 TCP DPT=139 WINDOW=1024 SYN 
Unauthorised access (Jul 15) SRC=69.88.163.18 LEN=40 TTL=243 ID=19622 TCP DPT=139 WINDOW=1024 SYN 
Unauthorised access (Jul 14) SRC=69.88.163.18 LEN=40 TTL=243 ID=4569 TCP DPT=139 WINDOW=1024 SYN
2019-07-19 11:09:30
165.227.214.163 attackbots
Feb 25 12:42:56 vpn sshd[7318]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.214.163
Feb 25 12:42:57 vpn sshd[7318]: Failed password for invalid user newuser from 165.227.214.163 port 45442 ssh2
Feb 25 12:49:23 vpn sshd[7345]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.214.163
2019-07-19 10:56:48

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