Internet Assigned Numbers Authority

Address Family Numbers

Last Updated
2023-12-22
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Registry included below

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

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 [RFC9552] 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