Address Family Numbers Several Protocols DEAL WITH MULTIPLE ADDRESS FAMILIES. The 16-bit assignments are listed here. Number description --------------------------- ------------------------------ --------- 0 Reserved 1 IP (IP Version 4) 2 IP6 (IP Version 6) 3 NSAP 4 HDLC (8-Bit Multidrop) 5 BBN 1822 6 802 (Includes All 802 Media Plus Ethernet "Canonical Format") 7 E.163 8 E.164 (SMDS, Frame Relay, ATM) 9 f .69 (TELEX) 10 x.121 (X.25, Frame Relay) 11 IPX 12 AppleTalk 13 Decnet IV 14 Banyan Vines 65535 Reserved