RFC 1466:Guidelines for Management of IP Address S...
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number space


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... keeping with that goal, it is necessary to develop a plan which manages the distribution of the network number space. The demand for network numbers has grown significantly within the last two years and ...
... 1174 and which defines the allocation and assignment of the network number space. There are three major topics to be addressed: 1) Qualifications for Distributed Regional Registries ...
... 2) Allocation of the Network Number Space by the Internet Registry ...


... Allocation of the Network Number Space by the Internet Registry ...
... The Class A portion of the number space represents 50% of the total IP host ...
... allocations from this space will be restricted. The entire Class A number space will be retained by the IANA and the IR. No allocations ...
... Allocations from the Class B network number space will be restricted also. Small blocks of numbers may be allocated to regional registries ...
... The Class C network number space will be divided into allocatable blocks which will be reserved by the IANA and IR ...
... Inspection of the Class C IP network numbers shows that the number space with prefixes 192 and 193 are assigned. The remaining space from prefix ...
... The remaining Class C network number space will be allocated in a fashion which is compatible with potential address aggregation ...
... these divisions of the Class C network number space and will begin assigning network numbers accordingly. ...


... Assignment of the Network Number Space ...
... 1) to reserve a portion of the IP number space so that it may be available to transition to a new numbering plan ...
... 2) to assign the Class C network number space in a fashion which is compatible with proposed address aggregation techniques ...
... The Class A number space can support the largest number of unique host identifier addresses ...
... network numbers. The upper half of the Class A number space will be reserved indefinitely (IP network addresses ...
... network numbers and the underutilization of the Class B number space by most organizations, the recommendation is now to use multiple Class Cs where practical. ...
... Section 3 of this document recommends a division of the Class C number space. That division is primarily an administrative division which lays the groundwork for distributed network number registries ...
... class C network numbers from the number space reserved for European networks, 194.0.0.0 - 195.255.255.255. If an organization from ...
... class C network numbers from the number space reserved for Central/South American networks, 200.0.0.0 - 201.255.255.255. ...


... These recommendations for management of the current IP network number space only profess to delay depletion of the IP address space, not to postpone it indefinitely. ...



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