You can use arp command to view/update your arp table

To view arp table

arp -a

To get MAC addr for a particular IP address

arp -a 192.168.1.193

To add a static binding

arp -s 192.168.1.225 bc:16:65:f3:e2:c5

To remove entry from arp table

arp -d 192.168.1.223