The definition of this textual convention with the
addition of newly assigned values is published
periodically by the IANA, in either the Assigned
Numbers RFC, or some derivative of it specific to
Internet Network Management number assignments.
(The latest arrangements can be obtained by
contacting the IANA.)
The enumerations are described as:
other(0), -- none of the following
ipV4(1), -- IP Version 4
ipV6(2), -- IP Version 6
nsap(3), -- NSAP
hdlc(4), -- (8-bit multidrop)
bbn1822(5),
all802(6), -- (includes all 802 media
-- plus Ethernet 'canonical format')
e163(7),
e164(8), -- (SMDS, Frame Relay, ATM)
f69(9), -- (Telex)
x121(10), -- (X.25, Frame Relay)
ipx(11), -- IPX (Internet Protocol Exchange)
appletalk(12), -- Apple Talk
decnetIV(13), -- DEC Net Phase IV
banyanVines(14), -- Banyan Vines
e164withNsap(15),
-- (E.164 with NSAP format subaddress)
dns(16), -- (Domain Name System)
distinguishedname(17), -- (Distinguished Name, per X.500)
asnumber(18), -- (16-bit quantity, per the AS number space)
reserved(65535)
Requests for new values should be made to IANA via
email (iana@iana.org).