The IP address $192\mathrm{.}12\mathrm{.}1\mathrm{.}0$ is a Class $$ address and, with a CIOR of block $\frac{?}{30},$ has a subnet mask of $$

$q,$ subnets and $$ hostsisulanet.

A $$ C$.255\mathrm{.}255\mathrm{.}255\mathrm{.}252,64,2A$

C$,255\mathrm{.}255\mathrm{.}248\mathrm{.}0,30,2046$ B

C

C$,255\mathrm{.}255\mathrm{.}255\mathrm{.}240,14,14C$

D

C$,255\mathrm{.}255\mathrm{.}256\mathrm{.}252,64,2D$