results and Su Case Project 9-2: Calculating a Subnet Mask You're the network administrator for a growing ISP. One of the networks the IANA assigned to you is 198.60.123.0/24. You have decided to use this address to satisfy the requirements of 16 corporate customers, each needing between 10 and 14 public ad- dresses. Without using a subnet calculator, calculate a subnet mask that meets the require- ments. In the following chart, write the subnet mask along with the 16 subnetworks in CIDR notation, and list the range of host addresses each subnetwork will have available