FWIW, I built something like this for myself years ago because I needed to know when my ip changed. I locked it down so I'd be the only one able to use it. Whe

FWIW, I built something like this for myself years ago because I needed to know when my ip changed. I locked it down so I'd be the only one able to use it. When I first saw jsonip.com, I kicked myself. The brilliance of jsonip.com isn't really the service, it's the vision that it should be free and world-readable.