It would probably be impractical to send an Address Resolution Protocol request. ARP would be blocked at the router local to the Web server because it is a broadcast protocol.

The Address Resolution Protocol (ARP) cache is a crucial component of IP networking on any operating system. What ARP does is link Ethernet addressing (IP addressing) to hardware addressing (MAC ...

Address Resolution Protocol (ARP) resolves IP addresses to MAC addresses. You can clear the ARP Cache in Windows 11/10 if you face network issues.