Link: How to Do IP Address Geolocation Lookups on Linux

You have probably noticed different services on the Internet which automatically know roughly where you are in the world. From music and video stream services to online stores, these services use a technique, called IP geolocation, which matches your approximate physical location with the IP address you are using. Whenever you connect to the Internet, your device is assigned an IP address from a pool of addresses which are allocated to the different telecommunication companies. The way these addresses work can be quite complicated, but because they are assigned in blocks, it is possible to build a database which maps a block of addresses to a country or even a particular area or city.

The good news is that doing these geolocation lookups isn’t only for the big corporate and mega websites. There are a number of free online services and even a command line tool for Linux which allows you to lookup IP addresses and get information about where that address is assigned. This can be very useful when you are investigating a suspicious email or strange comments left on a blog. It is also useful when using services that mask your IP address, like a VPN, to ensure that they are working as advertised.

Full article here:
How to Do IP Address Geolocation Lookups on Linux (Make Tech Easier)

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