public static IpAddressLocation GetIpAddressLocation(IPAddress ipAddress) { var ipAddressIntegerRepresentation = ipAddress.ToInteger(); InitCache(); var correspondingRange = Cache.FirstOrDefault(r => r.StartIP <= ipAddressIntegerRepresentation && r.EndIP >= ipAddressIntegerRepresentation); return correspondingRange != null ? new IpAddressLocation(correspondingRange.ISO_Code_2) : new IpAddressLocation(); }