Question

An isp is granted a block of addresses starting with 190.100.0.0/16. The isp needs to distribute these addresses to three groups of customers as follows: 1. The first group has 64 customers; each needs 256 addresses. 2. The second group has 128 customers; each needs 128 addresses. 3. The third group has 128 customers; each needs 64 addresses. Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

Answer 1

1. Chapter 5. Subnetting/Supernetting and. Classless Addressing .... the following set of class C blocks can be .... 1. The first group has 64 customers; each needs 256 addresses. 2.