console.log(ipbase.ipInList('127.0.0.1', '127.0.0.1'));
// > true

console.log(ipbase.ipInList('127.0.0.1', ['127.0.0.1', '10.10.110.10']));
// > true

var req = {
  headers: {
    'x-real-ip': '198.168.100.54'
  }
}
console.log(ipbase.getClientAddress(req));
// > 198.168.100.54