Devices also have a subnet mask, which defines which part of the IP address belongs to the network and which part belongs to the device. The gateway, also called a default gateway, is the device ...

Need to know the IP address of your router, as assigned by your ISP, or the IP of your computer, as assigned by your router? These numbers are easy to find when you know where to look.

Knowing the local (or private) and external (or public) IP addresses for your devices can help you keep your network running smoothly and safely.

Need to know the IP address of your router, as assigned by your ISP, or the IP of your computer, as assigned by your router? These numbers are easy to find when you know where to look.