parsing scanned netlist in c#

parseNetlist.cs

using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace parseNetlist
{
    public class Entry
    {
        public int id { get; set; }
        public string leaseTimeRemaining { get; set; }
        public string MACAddress { get; set; }
        public string hostName { get; set; }
        public string IPAddress { get; set; }
    }

    internal class Program
    {
        private static void Main(string[] args)
        {
            var jsonPath = @"entries.json";
            var oldJson = String.Empty;
            var ignoreMacs = new List<string> { };

            if (File.Exists(jsonPath))
            {
                try
                {
                    var json = File.ReadAllText(jsonPath);

                    if (!json.Equals(oldJson))
                    {
                        var devices = JArray.Parse(json).ToObject<List<Entry>>();

                        foreach (var _device in devices)
                        {
                            var device = _device;
                        }
                        oldJson = json;
                    }
                }
                catch (Exception e)
                {
                }
            }
        }
    }
}