D-Link DI-713P User Manual page 32

The IP Pool Starting Address is the first IP Address that will be
assigned to one of your clients. No address will be lower than this starting
address. If you have this set to 100, then no computer on your network will
be given an IP address lower than 192.168.0.100. Likewise, the IP Pool
Ending Address is the last IP address that the DHCP server will provide.
You can also restrict the number of computers that the Broadband
Router can support in DHCP by limiting the pool of IP addresses. For
example, if you only want 10 IP address's to be provided to clients on your
network, you can set the Starting address to 100 and the Ending address to
109. Doing this will limit the number of clients that can automatically
receive an IP address from the Broadband Router.
The Domain Name field is optional but can be used to identify your
network. Similar to the way Microsoft Windows NT handles the grouping
of computers on the same network.
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