Which of the following is a public IP address?

Question $44$ options:

$172\mathrm{.}16\mathrm{.}1\mathrm{.}18$

$10\mathrm{.}0\mathrm{.}0\mathrm{.}250$

$192\mathrm{.}168\mathrm{.}13\mathrm{.}69$

$174\mathrm{.}101\mathrm{.}203\mathrm{.}245$