How to detect ipaddresses of other systems in a given network Interface ??

Guys ... I know only the Network Interface and I want to know the IPAddresses that have been assigned to the other systems on that Network Interface .. I m making an application on packet sniffing..
I want to show the list of hosts on a given Network Interface or device when a User selects one..
but I just can't seem to find a method ...
I know this is kinda easy .. but plz help me out..
eg:- The User selects Nvidia Ethernet device...
then i want to display all the computers that are connected to the Nvidia Ethernet device ..
in short , I want to know ip addresses of other systems on a network ........

itssumitrai wrote:
Well... yeah I m making use of jpcap ..
and yeah just as windows generates a list of computers on a network , I wanna show
the list of computers along with their Ip addresses reachable vi a network interface ....
Certainly there would be a way to access that very information using the Windows OS API.
And plz .. its pretty clear what i want to do .. just help me out instead of finding mistakes in terms ....Help...
Unless you are the owner of that network then I suggest that you get permission in writing (pen and ink rather than email) before doing whatever it is that you want (unless you use the windows API).
People have been fired, expelled and had civil/criminal legal proceedings against them for network scanning even when they thought they had permission.

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How to detect ipaddresses of other systems in a given network Interface ??

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