Step 1:
Follow these instructions to get MaxMind’s GeoLite IPCountry table into your Rails MySQL database.
Step 2:
In a Rails Controller:
def get_country_from_ip ip = request.remote_ip result = ActiveRecord::Base.connection.execute("SELECT country_code FROM ip_country WHERE MBRCONTAINS(ip_poly, POINTFROMWKB(POINT(INET_ATON('#{ip}'), 0)))") result.fetch_row end
Step 3:
There’s no step 3. There’s no step 3! Ahahahaa!