Classless IP addresses

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The method of allocating address space according to need is known as CIDR. Further information about this strategy may be found in RFC 1519, Classless Inter-Domain Routing (CIDR): an Address Assignment and Aggregation Strategy.

All information sent across the Internet is encapsulated into IP datagrams. At present IPv4 is used: see RIPE-405, the RIPE document for IPv4 Address Allocation and Assignment Policies.

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