If the network adapter is in bridge mode, it should get an IP in the same range as the rest of your network. You should be able to check which IP it got when logging in to your router and look up the MAC address from VBox
If the network adapter is in bridge mode, it should get an IP in the same range as the rest of your network. You should be able to check which IP it got when logging in to your router and look up the MAC address from VBox