Read inside Network Card

Dear All,
I would like to know if it's possible to read inside a Mac Card of a machine connected in a network. I would like to enter in the Network Card and read the manufacture origin (MAC Address) and all available information available inside the data, using C++ or Delphi.

Best regards

Djimbo
Where exactly target machine is?

Notice that MAC adress is not send outside local network, so it will not work for arbitrary addresses.
The machine is a fixed IP Machine connected to my network and it's running with UNIX and the others machines with windows.
the machine does not have a Host name but I have the IP address

It's possible to read inside the Network card of this machine ??

Best wishes
try
arp -a <IP>
in command shell. If that works, good for you. If not, then it is impossible without at least access to either machine itself or router that machine connected to.
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