Ошибка IPAddress.ToString()!?

IPAddress ip = new IPAddress(1);
Console.WriteLine($"{ip.ToString()}");

byte[] b = new byte[] {255,255,255,255};
 
Console.WriteLine(new IPAddress(b));
 
Console.WriteLine(sizeof(int)); // 4

                for (long i = iPRange.BeginIPDecimel; i <= iPRange.LastIPDecimel; i++)
                {
                        myList.Add(new MyIP()
                        {
                            IpDecimial = i,
                        });
                }

public static long ConvertToDecimel(this IPAddress ipAddress)
        {
            if (ipAddress == null)
                throw new ArgumentNullException(nameof(ipAddress));
 
            string[] octets = ipAddress.ToString().Split(new Char[] { '.' });
            return (long)(Math.Pow(256, 3) * Convert.ToInt32(octets[0], CultureInfo.InvariantCulture)
                       + Math.Pow(256, 2) * Convert.ToInt32(octets[1], CultureInfo.InvariantCulture)
                       + Math.Pow(256, 1) * Convert.ToInt32(octets[2], CultureInfo.InvariantCulture)
                       + Convert.ToInt32(octets[3], CultureInfo.InvariantCulture));
        }

uint ip_val = uint.MaxValue;
byte[] bytes = BitConverter.GetBytes(ip_val);
[0] => 255
[1] => 255
[2] => 255
[3] => 255

int ip_val = -1;
byte[] bytes = BitConverter.GetBytes(ip_val);
[0] => 255
[1] => 255
[2] => 255
[3] => 255

var fromIntMax = new IPAddress(int.MaxValue);
Console.WriteLine($"From int32.Max: {fromIntMax}"); // 255.255.255.127
 
// играемся с 255.255.255.255
// IPv4
IPAddress address = new IPAddress(new byte[] { 255, 255, 255, 255 });
var bytes = address.GetAddressBytes();
 
var bytesToConvert = new byte[8];
for (int i = 0; i < bytes.Length; i++)
          bytesToConvert[i] = bytes[i];
 
var val = BitConverter.ToInt64(bytesToConvert, 0);
var ipAddress2 = new IPAddress(val);
Console.WriteLine(address.ToString());
Console.WriteLine(ipAddress2.ToString());
Console.WriteLine($"Equals: {address.Equals(ipAddress2)}");

static IEnumerable<IPAddress> EnumerateIpRange(IPAddress from, IPAddress to)
{
    var buffer = from.GetAddressBytes();
    do
    {
        yield return from = new IPAddress(buffer);
        int i = buffer.Length - 1;
        while (i >= 0 && ++buffer[i] == 0) i--;
    } while (!from.Equals(to));
}

var from = IPAddress.Parse("0.0.0.0");
var to = IPAddress.Parse("255.255.255.255");
 
foreach (var ip in EnumerateIpRange(from, to))
    Console.WriteLine(ip);