IP
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... The second source for new route introduction is sites who had
previously operated a private IP network, which had been registered
and assigned a network number (or numerous networks ...
... From 1989 until 1993 approximately 80% of the currently assigned
Class B IP networks were assigned or allocated. Allocations dropped
dramatically in 1994 and 1995 due to the adoption of policies
outlined in RFC 1466(-> 2050) ...
... address assignments in
various ways and steps. Some sites, through a little (or in some
cases no) work, could donate unused IP nets back to the IANA.
...
... Many organizations have requested addresses based on their need to
run TCP/IP on internal machines which have no interest in connecting
to the global Internet. Most vendors ...
... Internet. Most vendors manuals have instructed (and
provided copies of the application forms), sites to request IP
address assignments.
...
...
Other organizations have large internal IP networks, and are
connected to the Internet through application layer ...
...
To the members of the Internet community who have IP network
assignments which may be currently unused, the Internet community
...
... Gerich, E., "Guidelines for Management of the IP Address Space", RFC 1466(-> 2050), May 1993. ...
... Rekhter, Y., and T. Li, "An Architecture for IP Address Allocation with CIDR", RFC 1518hist, September 1993. ...