how Can i get a detailed explanation of the answers ( how to get it ) for all the questions below ?

Exercise 7.5 Subnetting in IPv4 An Internet service provider gets the prefix 132.227.0.0/16 to expand its network. 1/With such a prefix, how many nodes at most can be addressed in the network of this provider? 65534 Nodes 2/ In truth, the provider must subdivide its network into 30 subnets. How many bits does it need to number its subnets? 5 bits How many nodes can it connect on each subnet? 2046 3/What is the equivalent subnet mask for its 30 subnets? Subnet mask: 255.255.248.0 4/ To which subnet does node 132.227.75.13 belong? Subnet address: 132.227.72.0 Nodes 5/ Subnets can themselves be "subnetted". One of the clients of this ACCESS provider has its network interface of its computer configured with the address 132.227.28.87 and a prefix of 26-bit length. 1. What is the netmask equivalent to the 26-bit length? 255.255.255.192 2. What is the network prefix for this client? 132.227.28.64 3. What is the identifier of its network interface? 23 4. What is the broadcast address on this customer's network? 132.227.28.127 /26 5. Le rseau du client peut comporter au maximum combien de noeuds? 62