QUESTION 1

1. An organization is granted 145.17.10.1/20 block of addresses.

   Hint: Dont assume that this address is the FIRST address in the block.

   1. Find the total number of address available in the given address block.

   2. Translate the /20 mask into dotted decimal notation.

   3. Find the first and the last address of the assigned address block (145.17.10.1/20)

   4. Design the subnets as follows:

   a. One subnet with 100 addresses

   b. One subnet with 64 addresses

   5. How many IP addresses are NOT used from the assigned address block?

   Please provide your answers in the following format:

   Answer 1:

   Answer 2:

   Answer 3:

   First Address with correct mask:

   Last Address with correct mask:

   Answer 4a:

   First address with correct mask

   Last address with correct mask

   Answer 4b:

   First address with correct mask

   Last address with correct mask

   Answer 5: