janmesh.net/bat You are reading the documentation provided for a Janmesh.net "bat" access point. While this access point may allow you to access internet it is not its main goal. Its main goal is to provide Cjdns-based Janmesh.net network services and access. To learn more about them please refer to Janmesh.net homepage. The "bat" means this access point is also enabling batman-adv for mesh routing. It is meant for devices able to operate Cjdns but to do "Managed" and DHCP address wifi only, and not "ad-hoc", link-local address wifi, like, typically, most smartphones.