Which of the following is a public address?

Group of answer choices

$172\mathrm{.}18\mathrm{.}3\mathrm{.}45$

$172\mathrm{.}35\mathrm{.}23\mathrm{.}45$

$10\mathrm{.}4\mathrm{.}5\mathrm{.}6$

$192\mathrm{.}168\mathrm{.}104\mathrm{.}56$