You could try ARP.
C:\Users\Me>where arp
C:\Windows\System32\ARP.EXE
C:\Users\Me>arp -a
Interface: 192.168.0.3 --- 0x3
Internet Address Physical Address Type
192.168.0.1 50-6a-03-41-d4-43 dynamic
192.168.0.2 00-10-75-2f-da-44 dynamic
192.168.0.5 00-21-70-82-6a-ea dynamic
192.168.0.8 fc-b4-e6-92-d2-a1 dynamic
192.168.0.9 00-0c-29-2c-77-56 dynamic
192.168.0.15 68-94-23-d3-c3-16 dynamic
192.168.0.255 ff-ff-ff-ff-ff-ff static
224.0.0.22 01-00-5e-00-00-16 static
224.0.0.251 01-00-5e-00-00-fb static
224.0.0.252 01-00-5e-00-00-fc static
224.0.0.253 01-00-5e-00-00-fd static
239.255.255.250 01-00-5e-7f-ff-fa static
255.255.255.255 ff-ff-ff-ff-ff-ff static