FOOBAR Address Family Numbers Last Updated 2001-05-01 Note In the FTP Operation Over Big Address Records (FOOBAR) Protocol [RFC1639] there is a field, called "address family" or "af", to identify the lower level protocol addresses in use. This is an 8 bit field. The first 16 assignments (0-15) of the af value are exactly the same as the IP Version number. The assignment for values 16-255 are listed here. This registry is also available in plain text. Registry included below * Assigned FOOBAR Address Families Assigned FOOBAR Address Families Registration Procedures IANA assignment Reference [RFC1639] Decimal Keyword Address Family Reference 16 IPX Novell IPX [RFC1639] 17-254 Unassigned 255 Reserved