Registry included below
OSI Network Service Access Point Addresses include an Authority and Format Identifier (AFI). The AFI values 34 and 35 have been assigned to the IANA [ITU-T Recommendation X.213, X-Series Recommendations, Data Networks and Open Systems Communications, October, 2001.]. Within this format a two-octet Internet Code Point (ICP) field is available for assignment by the IANA. All ICP values not listed below are reserved.
|0||Embedded IPv6 address||[RFC4548]|
|1||Embedded IPv4 address||[RFC4548]|