There are 2 ways to do it, one is called anycast and the other is using DNS and GeoIP to split responses depending on where the request is coming from (e.g. req

There are 2 ways to do it, one is called anycast and the other is using DNS and GeoIP to split responses depending on where the request is coming from (e.g. request from USA - return DNS entry for a US-based VPS).