export function convertIntToIpAddress(int: number): string {
  return `${int & 0xff}.${(int >> 8) & 0xff}.${(int >> 16) & 0xff}.${(int >> 24) & 0xff}`;
}

export function convertIpAddressToInt(ip: string): number | null {
  return ip.split('.').reverse().reduce((ipnum, octet) => { return (ipnum<<8) + parseInt(octet)}, 0) >>> 0;
}