Your running a lan server, meaning if your computer is hooked up to other computers, you can have those computers play on your server, it is not internet.
You need to have a direct connection to host a server, or to open ports if your behind a router
I believe you won't understand what the heck your doing, your connection needs to be most excellent to host a server, and to me its completely useless unless you have an old computer lying around and are willing to allow it to run 24/7 because theres a very LOW chance people would join at all. You need a powerful computer aswell
I had an old comp laying around, it was great and powerful enough for a server, yet my internet was not good enough. So I gave it away to my friend.