Which Multicast address group is dedicated to be used exclusively for SPTs for SSM$?$

$224\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$

$228\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$

$230\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$

$232\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$