Specs

nat64?(prefix()) :: boolean()

Returns true if pfx is matched by the Well-Known Prefixes defined in rfc6053 and rfc8215, false otherwise.

Note that organisation specific prefixes might still be used for nat64.

Examples

iex> nat64?("64:ff9b::10.10.10.10")
true

iex> nat64?("64:ff9b:1::10.10.10.10")
true

iex> nat64?({{0x64, 0xff9b, 0, 0, 0, 0, 0x1010, 0x1010}, 128})
true

iex> nat64?({0x64, 0xff9b, 0, 0, 0, 0, 0x1010, 0x1010})
true

iex> nat64?(%Pfx{bits: <<0x64::16, 0xff9b::16, 0::64, 0x1010::16, 0x1010::16>>, maxlen: 128})
true

# illegal/bad prefix
iex> nat64?("64:ff9b:1::10.10.10.256")
false