Geolocation accuracy

[Hank Nussbacher <hank () interall co il>]

Can anyone recommend a geo-location service with high city accuracy?
Maxmind, for most countries (broadband, which does move) is below 50% 
accuracy (they claim 68% accuracy for USA cities):
https://www.maxmind.com/en/geoip2-city-accuracy-comparison?country=&resolution=city&cellular=excluding

Thanks,

Hank