Add adds a IP-MAC map to a runtime ARP table.

Delete removes an IP from the runtime ARP table.

List returns the current runtime ARP table.

Lookup returns the Address given an IP, if the IP is not found within the table, a lookup is attempted.

NewARPReply creates a new ARP packet of type "reply".

NewARPRequest creates a bew ARP packet of type "request.

Address represents an ARP address.