$8.$ Which of the following is a correct network address with respect to the netmask $/22?$

a$.\_\_\_195\mathrm{.}45\mathrm{.}13\mathrm{.}0$

b$.\_\_\_187\mathrm{.}123\mathrm{.}176\mathrm{.}0$

c$.\_\_\_178\mathrm{.}44\mathrm{.}62\mathrm{.}0$

d$.\_\_\_$All of the above