Within a classful addressing subnet mask, the 32 bits indicate that corresponding bits in an IPv4 address contain network information.
IP address is the address or the code of location to reach at a specific location. It is a unique address of 32 bit.
This address is classified in five classes.
These class are necessary to obtained the bits for network ID.
Thus, within a classful addressing subnet mask, the 32 bits indicate that corresponding bits in an IPv4 address contain network information.
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