IPv6 Hextet Boundaries

For any of these, to subnet them, just change the final hex digit.

Groups of 64

/64   FFFF:FFFF:FFFF:FFFF::
/128  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF

Groups of 32

/32   FFFF:FFFF::
/64   FFFF:FFFF:FFFF:FFFF::
/96   FFFF:FFFF:FFFF:FFFF:FFFF:FFFF::
/128  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF

As groups of 16

/16   FFFF::
/32   FFFF:FFFF::
/48   FFFF:FFFF:FFFF::
/64   FFFF:FFFF:FFFF:FFFF::
/80   FFFF:FFFF:FFFF:FFFF:FFFF::
/96   FFFF:FFFF:FFFF:FFFF:FFFF:FFFF::
/112  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF::
/128  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF

Groups of 8

/8    FF::
/16   FFFF::
/24   FFFF:FF::
/32   FFFF:FFFF::
/40   FFFF:FFFF:FF::
/48   FFFF:FFFF:FFFF::
/56   FFFF:FFFF:FFFF:FF::
/64   FFFF:FFFF:FFFF:FFFF::
/72   FFFF:FFFF:FFFF:FFFF:FF::
/80   FFFF:FFFF:FFFF:FFFF:FFFF::
/88   FFFF:FFFF:FFFF:FFFF:FFFF:FF::
/96   FFFF:FFFF:FFFF:FFFF:FFFF:FFFF::
/104  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FF::
/112  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF::
/120  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FF::
/128  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF

Groups of 4

/4    F::
/8    FF::
/12   FFF::
/16   FFFF::
/20   FFFF:F::
/24   FFFF:FF::
/28   FFFF:FFF::
/32   FFFF:FFFF::
/36   FFFF:FFFF:F::
/40   FFFF:FFFF:FF::
/44   FFFF:FFFF:FFF::
/48   FFFF:FFFF:FFFF::
/52   FFFF:FFFF:FFFF:F::
/56   FFFF:FFFF:FFFF:FF::
/60   FFFF:FFFF:FFFF:FFF::
/64   FFFF:FFFF:FFFF:FFFF::
/68   FFFF:FFFF:FFFF:FFFF:F::
/72   FFFF:FFFF:FFFF:FFFF:FF::
/76   FFFF:FFFF:FFFF:FFFF:FFF::
/80   FFFF:FFFF:FFFF:FFFF:FFFF::
/84   FFFF:FFFF:FFFF:FFFF:FFFF:F::
/88   FFFF:FFFF:FFFF:FFFF:FFFF:FF::
/92   FFFF:FFFF:FFFF:FFFF:FFFF:FFF::
/96   FFFF:FFFF:FFFF:FFFF:FFFF:FFFF::
/100  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:F::
/104  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FF::
/108  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFF::
/112  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF::
/116  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:F::
/120  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FF::
/124  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFF::
/128  FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF