Find Host Name and IP Address of Computers Connected to LAN

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C#

Find host name and IP address of computers connected to LAN using C# in Windows Forms application.

Please help me.

Posted 26-Oct-11 11:02am

johnyhasan

Updated 26-Oct-11 11:18am

Nueman

v2

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Nueman 26-Oct-11 21:07pm

It is considered bad forum manners to post more than once, but you have posted the same question three times.

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Henning Dieterichs · Answer 1 · 2011-10-26T11:22:00

Either you ping each IP-Address in your network (can discoverd by the subnetmask) and hope for response, or you listen to broadcast messages.
But if the computer has an enabled firewall you won't find him whatever you try.

You could ask Windows with typing "net view" in cmd (look here how you can accomplish this with C#)[^].
Or maybe asking the router or dhcp-server could help...

jschell · Answer 2 · 2011-10-26T11:16:00

Solution 1

First step unless YOU own the lan then get the owner's permission in writing.

If you do not have that in writing then do not do it.

Posted 26-Oct-11 11:16am

jschell