The file
/etc/networks is a plain ASCII file that describes known DARPA networks and symbolic
names for these networks.
Each line represents a network and has the following structure:
name number aliases ...
where the fields are delimited by spaces or tabs.
Empty lines are ignored.
If a line contains a hash mark (#), the hash mark and the remaining
part of the line are ignored.
The field descriptions are:
name
The symbolic name for the network.
number
The official number for this network in dotted-decimal notation.
The trailing ".0" may be omitted.
aliases
Optional aliases for the network.
This file is read by
route or
netstat utilities.
Only Class A, B or C networks are supported, partitioned networks
(i.e. network/26 or network/28) are not supported by this facility.l