Computer Networks - IPv4 Addressing and Subnetting

10. [5 pts.] Consider the case of network administrator who is given the IP address block where one of the addresses is: 10.25.2.1/16.

a. Find the first address in this subnet. What is it reserved for?

b. Find the last address in this subnet. What is it used for?

c. Find the first and the last valid host addresses in the subnet.

d. If the administrator needs to further subnet the address block into 4 subnets, what should the new subnet mask?

e. If the administrator needs as many subnets as possible, each having 3 hosts, what should the new subnet mask?