Which of the following is a valid Class A address?

Group of answer choices

$191\mathrm{.}10\mathrm{.}0\mathrm{.}1255\mathrm{.}0\mathrm{.}0\mathrm{.}0$

$128\mathrm{.}10\mathrm{.}0\mathrm{.}1255\mathrm{.}0\mathrm{.}0\mathrm{.}0$

$127\mathrm{.}10\mathrm{.}0\mathrm{.}1255\mathrm{.}0\mathrm{.}0\mathrm{.}0$

$126\mathrm{.}10\mathrm{.}0\mathrm{.}1255\mathrm{.}0\mathrm{.}0\mathrm{.}0$