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Lead Liaison tests the accuracy of the geolocation data on a periodic basis. In our recent tests, the databases were 99.8% accurate on a country level, 90% accurate on a state level in the US, and 84% accurate for cities in the US within a 31 mile (50 kilometer) radius. Below are additional data points on geolocation accuracy. Please contact your Lead Liaison representative if you're seeking additional country data points.
| Country | Data TypePoint | Range | Accuracy | ||||
|---|---|---|---|---|---|---|---|
| United States | City | 250km / 155.3 miles | 93% | ||||
| United States | City | 100km / 62.1 miles | 89% | ||||
| United States | City | 50km / 31 miles | 84% | ||||
| United States | City | 25km / 15.5 miles | 75% | ||||
| United States | City | 10km / 6.21 miles | 57% | ||||
| United States | City | Exact | 50% | ||||
| United States | Postal/Zip Code | Exact | 33% |
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How much of the IP address space do you cover?
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