“Where are you?” is not an easy question to answer on the Internet. The telephone system’s address plan embedded a certain amount of physical location information in the fixed line network, and a full E.164 telephone number indicated your location in terms of your country, and your area within that country. The Internet did not adopt a geographic address plan which means that you’re going to need a lot of additional information if you want to map an IP address into a location at the l...
