What is Subnetmask?
In ipv4 Subnet Mask define that how many bits are acting as network bits and how many bits are acting as host bits.
Default Subnet Mask of classes :
What is Classfull IP Addressing :-
When default Subnet Mask is used in configuring the IP address, then it is known as classful IP addressing.
What is Classless IP Addressing :-
When we change the default Subnet Mask and configuring the IP address, then it is known as classless IP addressing.
|Class||Range||Subnet Mask||Formula||NID (Total)||NID (Available)||HID||Use|