Imagine that an organization is given a block of addresses representedwith 139.93.40.0/22, and that it intends to use 4 subnets on its network. Give the number of bits needed for the subnet identifier for 4 subnets, and list the network identifiers for all four subnets, in binary, using the methodology listed in step 9.Computer ScienceEngineering & TechnologyNetworkingCS 625