Which IP address is a Class C address?

Question $28$ options:

$225\mathrm{.}100\mathrm{.}149\mathrm{.}20$

$125\mathrm{.}88\mathrm{.}1\mathrm{.}66$

$193\mathrm{.}19\mathrm{.}101\mathrm{.}11$

$177\mathrm{.}14\mathrm{.}23\mathrm{.}19$