You can see geo locations of all pools that support Ethereum. Click on each point to get more information. You can see locations for all coins or for one coin at the world map. If you see a
lot of points at one location so make a zoom to change distance and select point you want. If a Mining Pool has
several nodes to all nodes are shown as separate points at this map, so you can find the closest server to you. If you
need ping information you need to click at point. There are 127 active nodes that allow you to connect your hardware and get money :).