Fritz! Fon WLAN 7390 Installation, Configuration And Operation page 186

Glossary
FRITZ!Box Fon WLAN 7390
Example 1
Network address of the subnet: 192.168.178.0
Address of the computer in the
subnet:
IP address pool in the subnet:
Example 2
IP address:
Subnet mask:
The assignment of the first two groups of numerals in the
subnet mask indicates that the first two groups of numerals in
the IP address define the network. The following addresses
result:
Network address of the subnet: 192.168.0.0
Address of the computer in the
subnet:
IP address pool in the subnet:
186
192.168.178.247
192.168.178.0 -
192.168.178.255
The IP addresses
192.168.178.0 and
192.168.178.255 are
reserved. This means that the
addresses from
192.168.178.1 to
192.168.178.254 are
available for assignment to the
computers. Therefore a
maximum of 254 computers
can be included in the
subnetwork.
192.168.178.247
255.255.0.0
192.168.178.247
192.168.0.0 -
192.168.255.255
That's 65,536 IP addresses.
The IP addresses 192.168.0.0
and 192.168.255.255 are
reserved. This means that the
addresses from 192.168.0.1 to
192.168.255.254 are
available for assignment to the
computers.