What are private IP addresses?

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What are private IP addresses?

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Each IP node requires an IP address globally unique to the IP internetwork. When a number of Intranet hosts use the Internet, each IP node on the private network requires a globally unique IP address. For the hosts within an organization that do not have a direct access to the Internet, IP addresses that do not duplicate already-assigned public addresses are required. These addresses are part of the reserved private address space defined by the ISPs and are never assigned as public addresses. Such addresses are known as private addresses.


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