What is the IPv$4$ range assigned to the VPC when a new AWS account is opened?

Question $9$ options:

$172\mathrm{.}31\mathrm{.}0\mathrm{.}0/20$

$10\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$

$172\mathrm{.}31\mathrm{.}0\mathrm{.}0/16$

$192\mathrm{.}168\mathrm{.}0\mathrm{.}0/16$

$172\mathrm{.}16\mathrm{.}0\mathrm{.}0/16$