computer network

2. (8 points)An organization is granted a block of addresses with the beginning address 12.34.56.0/24. The organization needs to have 3 subblocks of addresses to use in its three subnets: one subblock of 10 addresses, one subblock of 60 addresses, and one subblock of 120 addresses. Design the subblocks, please list the first and the last addresses of each subblock, and how many addresses left in reserve