I’d maybe try systematically turning any other devices off you think could potentially have the grunt to run windows server in a container or VM.
Do you have a Mac/Linux machine handy? If you run arp -a in one terminal and ping the unusual IP in another, that should give you a corresponding MAC address for the device. You can then look up the MAC address and see if it gives you any more info about the device running it—it might not but you never know. You can use something like https://dnschecker.org/mac-lookup.php
I guess next you could look at taking that MAC and blocking it in your router control panel and see if anything starts complaining
The only windows box on my network is my company laptop. It is on a different IP address than that one.
It IS in my normal range, but it is NOT listed on my Router’s DHCP client list.
Have you recently installed visual studio or are doing any .NET development? It could possibly be a containerised version of IIS
If you completely turn off your windows device and try to access the IP from another device does it still resolve?
Great Idea! My windows box is off and I can still see it from my phone.
Hmm
I’d maybe try systematically turning any other devices off you think could potentially have the grunt to run windows server in a container or VM.
Do you have a Mac/Linux machine handy? If you run
arp -ain one terminal and ping the unusual IP in another, that should give you a corresponding MAC address for the device. You can then look up the MAC address and see if it gives you any more info about the device running it—it might not but you never know. You can use something like https://dnschecker.org/mac-lookup.phpI guess next you could look at taking that MAC and blocking it in your router control panel and see if anything starts complaining
In addition, you might like to do a portscan on that IP address to see if any other ports reaveal something more interesting.
You can run this in cmd prompt, I think, if nmap is available on your windows machine:
nmap -p 1-9999 192.168.1.1IIS can only run on a windows OS, so it must be a windows physical machine or VM connected to your network.
That is weird. Running development environments maybe? Docker with windows iis?
Yeah, that’s a company server, specifically for the local network group
Why would an internal server change IP all the time? DHCP is for silly things like laptops that turn on and off eleventy times a day
Thanks! I did not know DHCP allocation was optional on a home network.
The router might have a page for fixed IP addresses.