Map web traffic (Google maps, BING maps, etc...)?

I'm capturing all the incoming ip's going to my website. I also have a web service that gets me the latitude and longitude for a given ip. I would now like to plot (using the lat & long) hundreds of thousands of points on a map to get a geographical over-view of where my tra开发者_运维问答ffic is coming from. Whats the best tool for doing this?

Most likely you want a space-filling-curve if you want to speed up your massive query and I also I prefer Google Maps because it is fast and reliable and free.