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: United States

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 <<>> 104.21.16.11
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21526
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.11.			IN	A

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

;; Query time: 30 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:12:18 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 11.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 11.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.12.105.10 attack
Jul 12 10:15:13 plusreed sshd[6977]: Invalid user USERID from 106.12.105.10
...
2019-07-13 00:17:07
134.209.157.162 attackspam
Jul 12 18:27:53 meumeu sshd[773]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.157.162 
Jul 12 18:27:55 meumeu sshd[773]: Failed password for invalid user dasusr from 134.209.157.162 port 36370 ssh2
Jul 12 18:34:17 meumeu sshd[2176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.157.162 
...
2019-07-13 00:42:19
153.36.242.114 attackbots
Jul 12 18:52:42 fr01 sshd[17671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.242.114  user=root
Jul 12 18:52:45 fr01 sshd[17671]: Failed password for root from 153.36.242.114 port 15925 ssh2
...
2019-07-13 01:21:12
14.232.166.45 attack
Unauthorized connection attempt from IP address 14.232.166.45 on Port 445(SMB)
2019-07-13 00:53:08
118.89.139.150 attackspambots
WordPress brute force
2019-07-13 00:21:52
149.56.44.47 attackspam
2019-07-12T18:58:44.8445781240 sshd\[14404\]: Invalid user admin from 149.56.44.47 port 43426
2019-07-12T18:58:44.8523481240 sshd\[14404\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.44.47
2019-07-12T18:58:46.8586871240 sshd\[14404\]: Failed password for invalid user admin from 149.56.44.47 port 43426 ssh2
...
2019-07-13 01:14:46
122.169.107.223 attackbotsspam
Unauthorized connection attempt from IP address 122.169.107.223 on Port 445(SMB)
2019-07-13 00:51:59
156.216.59.6 attack
" "
2019-07-13 00:59:55
210.196.156.18 attackbotsspam
Unauthorized connection attempt from IP address 210.196.156.18 on Port 445(SMB)
2019-07-13 00:27:52
112.133.229.76 attack
Unauthorized connection attempt from IP address 112.133.229.76 on Port 445(SMB)
2019-07-13 01:16:02
222.186.15.217 attackbotsspam
2019-07-13T00:05:00.432300enmeeting.mahidol.ac.th sshd\[7852\]: User root from 222.186.15.217 not allowed because not listed in AllowUsers
2019-07-13T00:05:00.835834enmeeting.mahidol.ac.th sshd\[7852\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.217  user=root
2019-07-13T00:05:03.128386enmeeting.mahidol.ac.th sshd\[7852\]: Failed password for invalid user root from 222.186.15.217 port 18198 ssh2
...
2019-07-13 01:18:33
179.189.109.167 attackspam
failed_logins
2019-07-13 01:20:09
37.139.21.75 attackbots
Jul 12 16:41:05 srv03 sshd\[22354\]: Invalid user denise from 37.139.21.75 port 48218
Jul 12 16:41:05 srv03 sshd\[22354\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.139.21.75
Jul 12 16:41:07 srv03 sshd\[22354\]: Failed password for invalid user denise from 37.139.21.75 port 48218 ssh2
2019-07-13 01:06:47
119.146.70.116 attackbotsspam
2019-07-11T13:08:57.242976 X postfix/smtpd[52601]: NOQUEUE: reject: RCPT from mail3.tenpao.com[119.146.70.116]: 554 5.7.1 : Recipient address rejected: Access denied; from= to= proto=ESMTP helo=
2019-07-12T11:28:37.819329 X postfix/smtpd[40839]: NOQUEUE: reject: RCPT from mail3.tenpao.com[119.146.70.116]: 554 5.7.1 : Recipient address rejected: Access denied; from= to= proto=ESMTP helo=
2019-07-12T11:38:40.593768 X postfix/smtpd[42128]: NOQUEUE: reject: RCPT from mail3.tenpao.com[119.146.70.116]: 554 5.7.1 : Recipient address rejected: Access denied; from= to= proto=ESMTP helo=
2019-07-13 00:16:21
51.89.19.147 attackbotsspam
Jul 12 18:54:57 vps691689 sshd[1437]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.89.19.147
Jul 12 18:54:59 vps691689 sshd[1437]: Failed password for invalid user two from 51.89.19.147 port 57434 ssh2
Jul 12 18:59:55 vps691689 sshd[1485]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.89.19.147
...
2019-07-13 01:17:05

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