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: Norway

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 <<>> 81.166.135.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38885
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;81.166.135.51.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021400 1800 900 604800 86400

;; Query time: 36 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 14 15:11:42 CST 2025
;; MSG SIZE  rcvd: 106
Host info
51.135.166.81.in-addr.arpa domain name pointer 51.81-166-135.customer.lyse.net.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
51.135.166.81.in-addr.arpa	name = 51.81-166-135.customer.lyse.net.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
138.219.192.42 attackspam
Trying ports that it shouldn't be.
2019-07-22 09:46:37
117.102.66.22 attackbotsspam
Sun, 21 Jul 2019 18:26:52 +0000 likely compromised host or open proxy. ddos rate spidering
2019-07-22 09:44:02
109.169.194.30 attack
Sun, 21 Jul 2019 18:26:50 +0000 likely compromised host or open proxy. ddos rate spidering
2019-07-22 09:53:39
188.76.61.178 attackbots
Autoban   188.76.61.178 AUTH/CONNECT
2019-07-22 09:31:35
218.92.0.201 attackspambots
Jul 22 01:42:10 MK-Soft-VM7 sshd\[14371\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.201  user=root
Jul 22 01:42:12 MK-Soft-VM7 sshd\[14371\]: Failed password for root from 218.92.0.201 port 17701 ssh2
Jul 22 01:42:15 MK-Soft-VM7 sshd\[14371\]: Failed password for root from 218.92.0.201 port 17701 ssh2
...
2019-07-22 09:50:50
188.80.72.27 attackspam
Autoban   188.80.72.27 AUTH/CONNECT
2019-07-22 09:24:34
188.71.240.119 attack
Autoban   188.71.240.119 AUTH/CONNECT
2019-07-22 09:39:05
188.52.83.201 attackbotsspam
Autoban   188.52.83.201 AUTH/CONNECT
2019-07-22 09:45:49
41.40.125.154 attack
Sun, 21 Jul 2019 18:26:58 +0000 likely compromised host or open proxy. ddos rate spidering
2019-07-22 09:25:46
189.202.75.246 attackbots
Autoban   189.202.75.246 AUTH/CONNECT
2019-07-22 09:13:59
212.239.129.222 attack
Sun, 21 Jul 2019 18:26:54 +0000 likely compromised host or open proxy. ddos rate spidering
2019-07-22 09:38:15
18.232.145.49 attackbots
Jul 21 19:22:58 lvps83-169-44-148 sshd[7575]: Invalid user tim from 18.232.145.49
Jul 21 19:22:58 lvps83-169-44-148 sshd[7575]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=em3-18-232-145-49.compute-1.amazonaws.com 
Jul 21 19:23:00 lvps83-169-44-148 sshd[7575]: Failed password for invalid user tim from 18.232.145.49 port 40762 ssh2
Jul 21 19:48:36 lvps83-169-44-148 sshd[9723]: Invalid user gan from 18.232.145.49
Jul 21 19:48:36 lvps83-169-44-148 sshd[9723]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=em3-18-232-145-49.compute-1.amazonaws.com 
Jul 21 19:48:38 lvps83-169-44-148 sshd[9723]: Failed password for invalid user gan from 18.232.145.49 port 33312 ssh2
Jul 21 19:53:03 lvps83-169-44-148 sshd[10082]: Invalid user ck from 18.232.145.49
Jul 21 19:53:03 lvps83-169-44-148 sshd[10082]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=em3-18-232-14........
-------------------------------
2019-07-22 09:10:33
189.213.46.165 attackbotsspam
Autoban   189.213.46.165 AUTH/CONNECT
2019-07-22 09:08:03
5.135.181.11 attackbotsspam
Jul 22 00:59:26 localhost sshd\[52562\]: Invalid user www-upload from 5.135.181.11 port 40980
Jul 22 00:59:26 localhost sshd\[52562\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.135.181.11
Jul 22 00:59:27 localhost sshd\[52562\]: Failed password for invalid user www-upload from 5.135.181.11 port 40980 ssh2
Jul 22 01:04:42 localhost sshd\[52775\]: Invalid user client from 5.135.181.11 port 38162
Jul 22 01:04:42 localhost sshd\[52775\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.135.181.11
...
2019-07-22 09:06:56
42.118.6.87 attackbotsspam
Sun, 21 Jul 2019 18:27:02 +0000 likely compromised host or open proxy. ddos rate spidering
2019-07-22 09:13:08

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