Address Family Identifiers Last Updated 2021-10-19 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registry included below * Address Family Numbers Address Family Numbers Reference [RFC2453][RFC2677][RFC2858] Note Registrations also appear in [ianaaddressfamilynumbers-mib]. Note When this registry is modified, the YANG module [iana-routing-types] must be updated as defined in [RFC8294]. Available Formats [IMG] CSV Range Registration Procedures 1-16383 Standards Action 16384-32767 First Come First Served Number Description Reference Registration Date 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 15 E.164 with NSAP format subaddress [ATM Forum UNI 3.1. October 1995.][Andy_Malis] 16 DNS (Domain Name System) 17 Distinguished Name [Charles_Lynn] 18 AS Number [Charles_Lynn] 19 XTP over IP version 4 [Mike_Saul] 20 XTP over IP version 6 [Mike_Saul] 21 XTP native mode XTP [Mike_Saul] 22 Fibre Channel World-Wide Port Name [Mark_Bakke] 23 Fibre Channel World-Wide Node Name [Mark_Bakke] 24 GWID [Subra_Hegde] 25 AFI for L2VPN information [RFC4761][RFC6074] 26 MPLS-TP Section Endpoint Identifier [RFC7212] 27 MPLS-TP LSP Endpoint Identifier [RFC7212] 28 MPLS-TP Pseudowire Endpoint Identifier [RFC7212] 29 MT IP: Multi-Topology IP version 4 [RFC7307] 30 MT IPv6: Multi-Topology IP version 6 [RFC7307] 31 BGP SFC [RFC9015] 32-16383 Unassigned 16384 EIGRP Common Service Family [Donnie_Savage] 2008-05-13 16385 EIGRP IPv4 Service Family [Donnie_Savage] 2008-05-13 16386 EIGRP IPv6 Service Family [Donnie_Savage] 2008-05-13 16387 LISP Canonical Address Format (LCAF) [David_Meyer] 2009-11-12 16388 BGP-LS [RFC7752] 2013-03-20 16389 48-bit MAC [RFC7042] 2013-05-06 16390 64-bit MAC [RFC7042] 2013-05-06 16391 OUI [RFC7961] 2013-09-25 16392 MAC/24 [RFC7961] 2013-09-25 16393 MAC/40 [RFC7961] 2013-09-25 16394 IPv6/64 [RFC7961] 2013-09-25 16395 RBridge Port ID [RFC7961] 2013-09-25 16396 TRILL Nickname [RFC7455] 2014-09-02 16397 Universally Unique Identifier (UUID) [Nischal_Sheth] 2019-11-04 16398 Routing Policy AFI [draft-ietf-idr-rpd-02] 2020-05-12 16399 MPLS Namespaces [draft-kaliraj-bess-bgp-sig-private-mpls-labels-03] 2021-10-19 16400-65534 Unassigned 65535 Reserved Contact Information ID Name Contact URI Last Updated [Andy_Malis] Andy Malis mailto:agmalis&gmail.com 2013-05-28 [Charles_Lynn] Charles Lynn mailto:clynn&bbn.com 2000-03 [David_Meyer] David Meyer mailto:dmm&1-4-5.net 2009-11-12 [Donnie_Savage] Donnie Savage mailto:dsavage&cisco.com 2008-05-13 [Mark_Bakke] Mark Bakke mailto:mbakke&cisco.com 2002-03 [Mike_Saul] Mike Saul mailto:mike&nentat.com 2000-09 [Nischal_Sheth] Nischal Sheth mailto:nischal.sheth&gmail.com 2019-11-04 [Subra_Hegde] Subra Hegde mailto:subrah&cisco.com 2002-03 Licensing Terms