26
Table 2.2 Private
IP Address Range
The IP address in the range of 169.254.0.0 – 169.254.255.255 is the special ones, because
unlike the rest of the IP range that must be set manually, this IP range are reserved for
automatic
private
IP
addressing
(APIPA).
APIPA
is
a
feature
that
will
automatically
assign an IP address to a computer that is set to obtain an IP address automatically from a
Dynamic Host Configuration Protocol (DHCP) yet the DHCP server is not present or
not
available at the time being.
2.4.2.2 Subnetting
Subnetting
is a
technique that
lets
network administrators
use the 32 bits available
in an
IP address more efficiently by creating networks that are
not
limited to the scales
provided
by
Class
A,
B,
and
C
IP
addresses.
With
subnetting,
network
can
be
created
more
efficient
to
the
sizes
of
the
current
network.
By
default
there
are
only
8
bits
for
Class A, 16 bits for Class B, and 24 bits for Class C. Subnetting allows us to select our
own numbers of bits to use for the network ID.
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