pi@raspberrypi ~ $ arp
Address                  HWtype  HWaddress           Flags Mask            Iface
192.168.1.1              ether   10:7b:ef:b3:ef:58   C                     eth0
192.168.1.41             ether   c4:6e:1f:61:7e:56   C                     eth0
pi@raspberrypi ~ $