Consider the IPv$\mathrm{.}4$@ space and IANA Special$-$Purpose Address Registry to mark true$/$correct assertion$($s$)/$statement$($s$).$

A$.$ IP datagrams sent to an IPv$\mathrm{.}4$@ in the loopback network $"127\mathrm{.}0\mathrm{.}0\mathrm{.}0/8"$ are copied to the IPv$\mathrm{.}4$@ $"127\mathrm{.}0\mathrm{.}0\mathrm{.}1".$

B$.$ Private IPv. $4$ address blocks are assigned by IANA.

C$.$ Access to the Internet requires the use of a system equipped with a network adapter configured with a global IPv$\mathrm{.}4$@ leased from a registrar

D$.$ The IP address block $"169\mathrm{.}254.\frac{0\mathrm{.}0}{{16}^{\text{'}\text{'}}}$ is used to auto configure network adapters when DHCP requests fail.

E$.$ Datagrams sent using the limited broadcast IPv$\mathrm{.}4$@ $"255\mathrm{.}255\mathrm{.}255\mathrm{.}255"$ are forwarded across subnets.