I have always wondered why someone hasn’t come up with a graphical tool to modify the routing table; seems like it should be easy enough. Have a look below, in Nirsoft’s usual way, the interface is clean and requires no installation.
Definitely worthy of being added to your tool belt.
NetRouteView is a GUI alternative to the standard route utility (Route.exe) of Windows operating system. It displays the list of all routes on your current network, including the destination, mask, gateway, interface IP address, metric value, type, protocol, age (in seconds), interface name, and the MAC address.
NetRouteView also allows you to easily add new routes, as well as to remove or modify existing static routes.