Ping is measured in milliseconds, it's the time it takes for a data packet to travel from your "pc" to the server. The value is the result of mainly two factors: 1. distance from the server 2. internet speed. Yet another factor can be overloading your internet: sharing and using internet with several devices, keeping a browser full of web pages opened, downloading files, all this stuff can hog a lot of speed, thus reducing the amount you use for playing on the internet, resulting in a higher ping.
Almost every server in LU, at least the ones availaible 24/7, is hosted in Europe, while the majority of players connect from South American countries, which already makes them prone to get at least a ping of 180 ms because of the distance, and since some also have slow internet, the average ping is rarely under 300.
If you want to know the location of any server, just copy server IP without the port and paste it here:
https://geoiptool.com/
