RFC 1918:Address Allocation for Private Internets
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Addressing


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... network using TCP/IP and in particular determining the addressing plan and address assignments within that network ...


... outside the Internet itself, an increasing number of non-connected enterprises use this technology and its addressing capabilities for sole intra-enterprise communications, without any intention to ever directly connect to other enterprises or the Internet ...


... address space at their disposal than they could obtain from the globally unique pool. This enables operationally and administratively convenient addressing schemes as well as easier growth paths. ...
... very serious problems, as IP routing cannot provide correct operations in presence of ambiguous addressing. Although in principle Internet Service Providers should guard against such mistakes through ...


... class A network) of private address space and make an addressing plan with a good growth path. If subnetting is a problem, the 16-bit ...


... IP address space. The enterprises benefit from the increased flexibility provided by a relatively large private address space. However, use of private addressing requires that an organization renumber part or all of its enterprise network, as its ...



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