'IP LOCATION FINDER' should be used for emergency purpose, trying to find someones exact physical address, or other purpose that would require 100% accuracy.
IP geolocation is the mapping of an IP address to the geographic location of the internet from the connected device.
If you have the ip address of your lost phone you can easly find it by searching on this app.

By geographical mapping the 'IP location finder' helps to provide you with location information such as
-The country.
-The state
-City.
-Zip code.
-Latitude/longitude.
-Area code, and other information.