. An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows: a. The first group has 200 medium-size businesses; each needs approximately 128 addresses. for76042_ch05.fm Page 157 Thursday, February 12, 2009 5:15 PM 158 PART 2 NETWORK LAYER b. The second group has 400 small businesses; each needs approximately 16 addresses. c. The third group has 2000 households; each needs 4 addresses. Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations