• Supernetting is an addressing scheme in which several class C blocks can be combined to create a larger range of addresses.
• In other words, several networks are combined to create a supernetwork or a supernet.
• For example, an organization that needs 1,000 addresses can be granted four contiguous class C blocks. The organization can then use these addresses to create one supernetwork.
• Supernetting decreases the number of Is in the mask. For example, if an organization is given four class C addresses, the mask changes from /24 to /22.
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