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 <<>> 104.21.11.140
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57735
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.11.140.			IN	A

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

;; Query time: 53 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:09:40 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 140.11.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 140.11.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
123.212.117.129 attack
firewall-block, port(s): 23/tcp
2020-08-10 00:36:47
178.32.219.209 attack
Aug  9 14:22:26 scw-focused-cartwright sshd[9830]: Failed password for root from 178.32.219.209 port 54914 ssh2
2020-08-10 00:37:37
103.87.46.204 attack
Attempted Brute Force (dovecot)
2020-08-10 00:42:18
151.69.206.10 attackspam
Aug  9 15:37:23 ip-172-31-61-156 sshd[30789]: Failed password for root from 151.69.206.10 port 39812 ssh2
Aug  9 15:41:28 ip-172-31-61-156 sshd[31122]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.69.206.10  user=root
Aug  9 15:41:30 ip-172-31-61-156 sshd[31122]: Failed password for root from 151.69.206.10 port 50500 ssh2
Aug  9 15:45:36 ip-172-31-61-156 sshd[31271]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.69.206.10  user=root
Aug  9 15:45:39 ip-172-31-61-156 sshd[31271]: Failed password for root from 151.69.206.10 port 32950 ssh2
...
2020-08-10 00:23:11
66.70.205.186 attackspam
detected by Fail2Ban
2020-08-10 00:20:19
212.64.3.40 attackbotsspam
SSH Brute Force
2020-08-10 00:56:20
186.30.58.56 attackspam
2020-08-09T07:41:41.9517081495-001 sshd[20357]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=dynamic-186-30-58-56.dynamic.etb.net.co  user=root
2020-08-09T07:41:43.8881411495-001 sshd[20357]: Failed password for root from 186.30.58.56 port 55668 ssh2
2020-08-09T07:45:13.9462831495-001 sshd[20520]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=dynamic-186-30-58-56.dynamic.etb.net.co  user=root
2020-08-09T07:45:15.6522161495-001 sshd[20520]: Failed password for root from 186.30.58.56 port 50794 ssh2
2020-08-09T07:48:45.2558881495-001 sshd[20676]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=dynamic-186-30-58-56.dynamic.etb.net.co  user=root
2020-08-09T07:48:47.4694711495-001 sshd[20676]: Failed password for root from 186.30.58.56 port 45922 ssh2
...
2020-08-10 00:53:19
118.25.53.252 attack
Aug  9 15:17:49 abendstille sshd\[17466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.53.252  user=root
Aug  9 15:17:52 abendstille sshd\[17466\]: Failed password for root from 118.25.53.252 port 53694 ssh2
Aug  9 15:23:10 abendstille sshd\[22520\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.53.252  user=root
Aug  9 15:23:12 abendstille sshd\[22520\]: Failed password for root from 118.25.53.252 port 45306 ssh2
Aug  9 15:25:40 abendstille sshd\[25111\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.53.252  user=root
...
2020-08-10 00:39:26
54.39.133.91 attack
2020-08-09T16:10:59.513422shield sshd\[21975\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns565253.ip-54-39-133.net  user=root
2020-08-09T16:11:01.668625shield sshd\[21975\]: Failed password for root from 54.39.133.91 port 50660 ssh2
2020-08-09T16:15:06.772442shield sshd\[22457\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns565253.ip-54-39-133.net  user=root
2020-08-09T16:15:08.505962shield sshd\[22457\]: Failed password for root from 54.39.133.91 port 60982 ssh2
2020-08-09T16:19:14.031063shield sshd\[22970\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns565253.ip-54-39-133.net  user=root
2020-08-10 00:22:08
60.246.123.193 attackbots
1596974991 - 08/09/2020 14:09:51 Host: 60.246.123.193/60.246.123.193 Port: 445 TCP Blocked
2020-08-10 00:57:59
183.224.38.56 attackspam
Aug  9 17:43:02 server sshd[7564]: Failed password for root from 183.224.38.56 port 34342 ssh2
Aug  9 18:19:50 server sshd[19562]: Failed password for root from 183.224.38.56 port 35400 ssh2
Aug  9 18:27:22 server sshd[21980]: Failed password for root from 183.224.38.56 port 58196 ssh2
2020-08-10 00:34:34
125.94.149.53 attackspam
[N10.H1.VM1] Port Scanner Detected Blocked by UFW
2020-08-10 00:36:11
82.65.23.62 attackspam
SSH brutforce
2020-08-10 00:38:55
87.246.7.140 attack
Aug  9 14:09:17 srv1 postfix/smtpd[6220]: warning: unknown[87.246.7.140]: SASL LOGIN authentication failed: authentication failure
Aug  9 14:09:32 srv1 postfix/smtpd[6220]: warning: unknown[87.246.7.140]: SASL LOGIN authentication failed: authentication failure
Aug  9 14:09:39 srv1 postfix/smtpd[6220]: warning: unknown[87.246.7.140]: SASL LOGIN authentication failed: authentication failure
Aug  9 14:09:46 srv1 postfix/smtpd[6220]: warning: unknown[87.246.7.140]: SASL LOGIN authentication failed: authentication failure
Aug  9 14:09:50 srv1 postfix/smtpd[6220]: warning: unknown[87.246.7.140]: SASL LOGIN authentication failed: authentication failure
...
2020-08-10 00:57:17
106.54.141.196 attack
Aug  9 18:05:20 vpn01 sshd[29307]: Failed password for root from 106.54.141.196 port 33654 ssh2
...
2020-08-10 00:26:08

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