6
6TO4 ADDRESS
A [64-bit prefix]:0:0:WWXX:YYZZ address, where WWXX:YYZZ is the hexadecimal representation of w.x.y.z (a public or private IPv4 address), used to represent a machine en 6over4 technology.
A 2002:WWXX:YYZZ:[SLA ID]:[interface ID] address, where WWXX:YYZZ is the hexadecimal representation of w.x.y.z (a public or private IPv4 address), used to represent a machine en 6to4 technology.