If a host has an IP address of XXXXXXXXXXand a subnet mask of XXXXXXXXXX, what is its subnet address? What is the broadcast address of this subnet? How many legal IP addresses are available in this...

If a host has an IP address of 168.168.168.168 and a subnet mask of 255.255.255.240, what is its subnet address? What is the broadcast address of this subnet? How many legal IP addresses are available in this subnet? This IP address is a class B address. Suppose it belongs to a company. How many subnets can be created in this company if the subnet mask is fixed to 255.255.255.240 for all subnets?