var mmdbreader = require('maxmind-db-reader');
// open database
mmdbreader.open('./test.mmdb', function (err, countries) {
// get geodata
countries.getGeoData('2402:e280:3e09:eef:a9a7:a769:77d8:6c50', function (err, geodata) {
// log data :D
console.log(geodata);
});
});