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 <<>> 104.18.21.191
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 695
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.21.191.			IN	A

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

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:24:05 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 191.21.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 191.21.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
2400:6180:100:d0::19d0:b001 attackspambots
xmlrpc attack
2019-11-23 05:48:25
183.129.179.30 attackspam
Unauthorized connection attempt from IP address 183.129.179.30 on Port 445(SMB)
2019-11-23 05:33:14
201.210.13.78 attackspambots
Unauthorized connection attempt from IP address 201.210.13.78 on Port 445(SMB)
2019-11-23 05:31:10
107.0.80.222 attack
Invalid user sedillo from 107.0.80.222 port 63297
2019-11-23 05:49:54
168.194.160.14 attackbotsspam
Nov 22 20:43:29 sauna sshd[172947]: Failed password for root from 168.194.160.14 port 58097 ssh2
...
2019-11-23 05:45:20
46.166.151.47 attackspam
\[2019-11-22 16:29:33\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-22T16:29:33.436-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="01146406820574",SessionID="0x7f26c4a90648",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/51692",ACLName="no_extension_match"
\[2019-11-22 16:31:55\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-22T16:31:55.216-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="002146462607509",SessionID="0x7f26c4a90648",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/60641",ACLName="no_extension_match"
\[2019-11-22 16:37:58\] SECURITY\[2765\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-22T16:37:58.418-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="901146406820574",SessionID="0x7f26c445f668",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/57689",ACLName="no_exte
2019-11-23 05:44:10
182.111.49.196 attack
badbot
2019-11-23 05:55:12
183.164.226.180 attack
badbot
2019-11-23 05:37:58
222.169.185.227 attackspambots
Nov 22 18:45:50 localhost sshd\[12571\]: Invalid user evanthia from 222.169.185.227 port 35636
Nov 22 18:45:50 localhost sshd\[12571\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.169.185.227
Nov 22 18:45:52 localhost sshd\[12571\]: Failed password for invalid user evanthia from 222.169.185.227 port 35636 ssh2
2019-11-23 05:48:50
209.97.166.179 attackspam
209.97.166.179 - - \[22/Nov/2019:15:21:07 +0000\] "POST /wp-login.php HTTP/1.1" 200 4358 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
209.97.166.179 - - \[22/Nov/2019:15:21:08 +0000\] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...
2019-11-23 06:00:05
116.24.153.147 attackspam
Automatic report - SSH Brute-Force Attack
2019-11-23 05:39:57
206.189.142.10 attack
$f2bV_matches
2019-11-23 05:40:10
139.217.98.39 attackspambots
Nov 22 21:58:51 w sshd[27159]: Invalid user xbian from 139.217.98.39
Nov 22 21:58:51 w sshd[27159]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.217.98.39 
Nov 22 21:58:53 w sshd[27159]: Failed password for invalid user xbian from 139.217.98.39 port 58660 ssh2
Nov 22 21:58:54 w sshd[27159]: Received disconnect from 139.217.98.39: 11: Bye Bye [preauth]
Nov 22 22:20:39 w sshd[27372]: Invalid user sales from 139.217.98.39
Nov 22 22:20:39 w sshd[27372]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.217.98.39 
Nov 22 22:20:42 w sshd[27372]: Failed password for invalid user sales from 139.217.98.39 port 33114 ssh2
Nov 22 22:20:42 w sshd[27372]: Received disconnect from 139.217.98.39: 11: Bye Bye [preauth]
Nov 22 22:25:58 w sshd[27392]: Invalid user chantry from 139.217.98.39
Nov 22 22:25:58 w sshd[27392]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser........
-------------------------------
2019-11-23 06:03:43
154.205.131.140 attackspambots
Nov 22 15:26:33 mxgate1 postfix/postscreen[11007]: CONNECT from [154.205.131.140]:42536 to [176.31.12.44]:25
Nov 22 15:26:33 mxgate1 postfix/dnsblog[11009]: addr 154.205.131.140 listed by domain b.barracudacentral.org as 127.0.0.2
Nov 22 15:26:34 mxgate1 postfix/dnsblog[11011]: addr 154.205.131.140 listed by domain zen.spamhaus.org as 127.0.0.3
Nov 22 15:26:39 mxgate1 postfix/postscreen[11007]: DNSBL rank 3 for [154.205.131.140]:42536
Nov x@x
Nov 22 15:26:40 mxgate1 postfix/postscreen[11007]: DISCONNECT [154.205.131.140]:42536


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=154.205.131.140
2019-11-23 06:04:37
178.62.244.194 attack
Brute-force attempt banned
2019-11-23 05:39:28

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