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We are implementing an IP based geolocation service, and we need to find some IP’s from various markets (LA, NY etc) to fully test the service.
Does anybody know of a directory where we could find what IP ranges are used where?
EDIT: We have already implemented the system, it uses a 3rd party DB and a webservice. We just want some IP’s from known markets to verify its working properly.
I’m going to see if I can get what I need from the free maxmind database.
Not sure if cost is a factor but there are a few open source databases knocking about. This one claims 99.3% accuracy on its free version with 99.8% for its paid version. They’ve also got a Free & Open Source City Database (76% accuracy at city level).
They’re both available as CSV-based databases so you can easily take a known location and get an IP range for ISPs in the area.
The tougher part is getting access to a computer in that IP range.