Which of the following IPv$4$ addresses is a public IP address?$10\mathrm{.}0\mathrm{.}2\mathrm{.}14$

$172\mathrm{.}16\mathrm{.}156\mathrm{.}254$

$192\mathrm{.}168\mathrm{.}72\mathrm{.}73$

$64\mathrm{.}233\mathrm{.}177\mathrm{.}189$