A new network administrator is going through the company's network and surveying current network configurations. After examining a few hosts, the general Internet Protocol $($IP$)$ scheme starts with the first octet at $10$ and all are using a default mask of $255\mathrm{.}0\mathrm{.}0\mathrm{.}0.$ Which of the following would be true for this network? $($Select all that apply.$)$