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 <<>> 104.18.20.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40759
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.20.81.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 110 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 05:33:37 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.20.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.20.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
43.240.127.86 attack
SSH/22 MH Probe, BF, Hack -
2019-11-04 22:01:06
85.144.226.170 attackspambots
Nov  4 07:04:32 localhost sshd\[77116\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.144.226.170  user=root
Nov  4 07:04:34 localhost sshd\[77116\]: Failed password for root from 85.144.226.170 port 43376 ssh2
Nov  4 07:08:42 localhost sshd\[77224\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.144.226.170  user=root
Nov  4 07:08:44 localhost sshd\[77224\]: Failed password for root from 85.144.226.170 port 52976 ssh2
Nov  4 07:12:47 localhost sshd\[77376\]: Invalid user user1 from 85.144.226.170 port 34350
Nov  4 07:12:47 localhost sshd\[77376\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.144.226.170
...
2019-11-04 21:29:04
159.89.188.167 attackspambots
Nov  4 09:38:32 ns381471 sshd[28270]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.188.167
Nov  4 09:38:35 ns381471 sshd[28270]: Failed password for invalid user ltelles from 159.89.188.167 port 58936 ssh2
2019-11-04 21:38:29
171.236.245.235 attackspam
Automatic report - Port Scan Attack
2019-11-04 21:18:41
119.75.24.68 attackbots
Nov  4 10:22:53 lnxded63 sshd[10875]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.75.24.68
2019-11-04 21:23:58
62.234.66.50 attackbotsspam
Invalid user 123abc567 from 62.234.66.50 port 60581
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.66.50
Failed password for invalid user 123abc567 from 62.234.66.50 port 60581 ssh2
Invalid user lilin from 62.234.66.50 port 50738
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.66.50
2019-11-04 21:53:03
106.87.96.126 attackbots
FTP Brute Force
2019-11-04 21:19:28
117.199.41.60 attackspam
firewall-block, port(s): 445/tcp
2019-11-04 21:52:29
95.58.194.143 attackspam
2019-11-04T14:25:40.135148host3.slimhost.com.ua sshd[1507916]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.58.194.143
2019-11-04T14:25:40.129799host3.slimhost.com.ua sshd[1507916]: Invalid user hv from 95.58.194.143 port 48610
2019-11-04T14:25:42.535656host3.slimhost.com.ua sshd[1507916]: Failed password for invalid user hv from 95.58.194.143 port 48610 ssh2
2019-11-04T14:29:36.195661host3.slimhost.com.ua sshd[1512715]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.58.194.143  user=root
2019-11-04T14:29:38.329651host3.slimhost.com.ua sshd[1512715]: Failed password for root from 95.58.194.143 port 58074 ssh2
...
2019-11-04 21:32:38
103.242.0.249 attackspambots
Nov  4 07:15:31 myhostname sshd[18875]: Invalid user ftp from 103.242.0.249
Nov  4 07:15:31 myhostname sshd[18875]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.242.0.249
Nov  4 07:15:33 myhostname sshd[18875]: Failed password for invalid user ftp from 103.242.0.249 port 57448 ssh2
Nov  4 07:15:33 myhostname sshd[18875]: Received disconnect from 103.242.0.249 port 57448:11: Bye Bye [preauth]
Nov  4 07:15:33 myhostname sshd[18875]: Disconnected from 103.242.0.249 port 57448 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=103.242.0.249
2019-11-04 21:25:04
109.197.192.18 attackbots
5x Failed Password
2019-11-04 21:31:03
110.188.70.99 attack
Nov  4 14:06:18 vps691689 sshd[26635]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.188.70.99
Nov  4 14:06:20 vps691689 sshd[26635]: Failed password for invalid user symantec from 110.188.70.99 port 54692 ssh2
...
2019-11-04 21:35:24
51.254.220.20 attack
Nov  4 07:16:39 SilenceServices sshd[7927]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.220.20
Nov  4 07:16:41 SilenceServices sshd[7927]: Failed password for invalid user tester from 51.254.220.20 port 52392 ssh2
Nov  4 07:20:35 SilenceServices sshd[9012]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.220.20
2019-11-04 21:50:38
104.254.92.20 attack
1,35-01/00 [bc00/m22] PostRequest-Spammer scoring: Dodoma
2019-11-04 21:34:08
144.76.238.209 attackspambots
Automatic report - XMLRPC Attack
2019-11-04 21:21:31

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