Billion was founded in 1973 in Taiwan. They became the first to provide network equipment and power supplies to Asia. Since then they have expanded to include Internet access devices such as routers. Billion has become a popular manufacturer of routers, both wired and wireless.
Billion routers are pretty easy to setup and the port forwarding section is no different. Some Billion routers have a list of 10 places where you can forward a port and others need to be entered one at a time.
Go ahead and find your Billion router model number in our list below. If you can't find your exact model in our list below try following our Billion 400G guide. That guide should get ports open on just about any Billion router.