The default gateway always resides in the same subnet as the end device IP. The gateway can really be any unique address within the subnet itself, but most network administrators designate the first number of the subnet as the gateway. Therefore, 192.168. ... 255.0 subnet mask.

Where does the default gateway come from?

In home or small business networks with a broadband router to share the internet connection, the home router serves as the default gateway.

What is the default gateway address?

In the networking world, a default gateway is an IP address that traffic gets sent to when it's bound for a destination outside the current network. On most home and small business networks—where you have a single router and several connected devices—the router's private IP address is the default gateway.