D-Link DIR-516 User Manual page 17

Section 2 - Setting Up With a Web Browser - Access Point Mode
Static.IP
Select Static.IP if your IP information is provided to you by your
ISP. You will need to enter in the IP address, subnet mask, gateway
address, and DNS address(es) provided to you by your ISP. Each IP
address entered in the fields must be in the appropriate IP form,
which are four octets separated by a dot (x.x.x.x). The router will
not accept the IP address if it is not in this format.
IP Address: Enter the IP address assigned by your ISP.
Subnet Mask: Enter the subnet mask assigned by your ISP.
Default Gateway: Enter the gateway assigned by your ISP.
D-Link DIR-516 User Manual 13