IP network
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... Internet have taken us to the point that we now are in danger of
running out of unassigned IP network numbers. Initially, numbers
were formally assigned only when a network was about to be attached
...
... allocated and used frugally. Due to the current problems, Internet
service providers have made it increasingly difficult for
organizations to acquire public IP network numbers. Private networks
have always had the option of using addresses ...
...
RFC 1597(-> 1918) gives several examples of IP networks that need not have
globally unique address spaces. Each of those cases is plausible,
...
... IANA, which should only be assigning numbers within the current
standards and axioms that underlie the Internet. IP network numbers
are assigned uniquely under the assumption that they will be used on
the Internet ...