estion Three

$($a$)$ Define the IP address ranges for classes D$,$ E$,$ and the special range for loopback addresses. Indicate the purpose of each.

$($b$)$ A Class C IP address has an octet format of N$.$N$.$N$.$H$,$ with $24$ bits in portion and $8$ bits in its host portion. Find the following: its network

i$.$ The range of IP addresses for this class.

D Class ip

$128-000020170$

iii. The number of hosts per network.

ii$.$ The number of networks.

iv$.$ The default subnet mask.

$($c$)$ Discuss the issues and solutions related to the interworking of IPv$6$ and IPv$4.$