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 <<>> 104.21.11.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53327
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.11.81.			IN	A

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

;; Query time: 121 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:09:59 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.11.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.11.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
164.132.195.231 attackbotsspam
kidness.family 164.132.195.231 \[12/Oct/2019:08:34:27 +0200\] "POST /wp-login.php HTTP/1.1" 200 5615 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
kidness.family 164.132.195.231 \[12/Oct/2019:08:34:27 +0200\] "POST /wp-login.php HTTP/1.1" 200 5569 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-10-12 16:01:10
88.214.26.17 attackbots
191012 10:04:58 \[Warning\] Access denied for user 'root'@'88.214.26.17' \(using password: YES\)
191012 10:07:09 \[Warning\] Access denied for user 'root'@'88.214.26.17' \(using password: YES\)
191012 10:41:55 \[Warning\] Access denied for user 'root'@'88.214.26.17' \(using password: YES\)
...
2019-10-12 16:08:48
64.202.190.59 attackbotsspam
Automatic report - XMLRPC Attack
2019-10-12 16:20:10
129.213.100.212 attack
Oct 12 07:53:40 dev0-dcde-rnet sshd[26313]: Failed password for root from 129.213.100.212 port 49300 ssh2
Oct 12 07:57:42 dev0-dcde-rnet sshd[26332]: Failed password for root from 129.213.100.212 port 60760 ssh2
2019-10-12 16:06:41
192.3.140.202 attack
\[2019-10-12 03:33:31\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-12T03:33:31.253-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="759448323235002",SessionID="0x7fc3ad578188",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/192.3.140.202/5074",ACLName="no_extension_match"
\[2019-10-12 03:35:47\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-12T03:35:47.286-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="674648323235002",SessionID="0x7fc3acb808d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/192.3.140.202/5073",ACLName="no_extension_match"
\[2019-10-12 03:37:56\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-12T03:37:56.550-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="105748323235002",SessionID="0x7fc3ad578188",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/192.3.140.202/5071",ACLName="no_extens
2019-10-12 15:58:52
222.186.169.192 attack
SSH brutforce
2019-10-12 16:02:28
168.0.149.233 attack
Port 1433 Scan
2019-10-12 15:56:30
103.224.167.124 attackspambots
Automatic report - Port Scan Attack
2019-10-12 15:57:38
104.248.205.67 attackspam
Oct 12 07:52:50 www_kotimaassa_fi sshd[23764]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.205.67
Oct 12 07:52:52 www_kotimaassa_fi sshd[23764]: Failed password for invalid user @#$wersdfXCV from 104.248.205.67 port 44532 ssh2
...
2019-10-12 16:00:44
51.75.248.127 attack
Oct 12 08:20:37 game-panel sshd[30621]: Failed password for root from 51.75.248.127 port 37098 ssh2
Oct 12 08:24:49 game-panel sshd[30752]: Failed password for root from 51.75.248.127 port 48530 ssh2
2019-10-12 16:33:52
94.102.59.123 attackbots
2019-10-12 01:01:15 H=(ylmf-pc) [94.102.59.123]:55628 I=[192.147.25.65]:25 rejected EHLO or HELO ylmf-pc: CHECK_HELO: ylmf-pc
2019-10-12 01:01:26 H=(ylmf-pc) [94.102.59.123]:56340 I=[192.147.25.65]:25 rejected EHLO or HELO ylmf-pc: CHECK_HELO: ylmf-pc
2019-10-12 01:01:37 H=(ylmf-pc) [94.102.59.123]:56956 I=[192.147.25.65]:25 rejected EHLO or HELO ylmf-pc: CHECK_HELO: ylmf-pc
...
2019-10-12 16:13:54
200.10.65.113 attackbotsspam
Unauthorized connection attempt from IP address 200.10.65.113 on Port 445(SMB)
2019-10-12 16:25:51
183.91.4.104 attackspambots
Unauthorized connection attempt from IP address 183.91.4.104 on Port 445(SMB)
2019-10-12 16:31:38
112.85.42.195 attack
Oct 12 07:45:16 game-panel sshd[29473]: Failed password for root from 112.85.42.195 port 53935 ssh2
Oct 12 07:46:12 game-panel sshd[29496]: Failed password for root from 112.85.42.195 port 33305 ssh2
Oct 12 07:46:14 game-panel sshd[29496]: Failed password for root from 112.85.42.195 port 33305 ssh2
2019-10-12 15:59:21
123.133.78.91 attackspambots
Triggered by Fail2Ban at Vostok web server
2019-10-12 16:02:46

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