$[8]$ Assuming the default subnet masks are used, Which of the following is not true: D

A$)115\mathrm{.}255\mathrm{.}255\mathrm{.}255$ is the broadcast address for network $115\mathrm{.}0\mathrm{.}0\mathrm{.}0$

B$)154\mathrm{.}90\mathrm{.}255\mathrm{.}255$ is the broadcast address for network $154\mathrm{.}90\mathrm{.}0\mathrm{.}0$

C$)221\mathrm{.}65\mathrm{.}244\mathrm{.}255$ is the broadcast address for network $221\mathrm{.}65\mathrm{.}244\mathrm{.}0$

D$)154\mathrm{.}90\mathrm{.}9\mathrm{.}255$ is the broadcast address for network $154\mathrm{.}90\mathrm{.}0\mathrm{.}0$