Official Country Ubuntu Mirrors
What does this all mean? That all you Ubuntu fans can enjoy full speeds when updating and downloading Ubuntu as you will be download them from a server at Qualitynet. Also, if there is an international cable cut, you most likely wont be affected if you wanted to update your packages. If you get bored during a cable cut, and can’t find anything else to do, download a distro of Ubuntu and play around until things get back up and running.
You can find more information on these links: