using System;

using System.Net;

public class Program

{

    public static void Main()

    {

        var b = IPNetwork.TryParse("2001:0db8::1/64", out var _);

        Console.WriteLine(b);

        b = IPNetwork.TryParse("192.168.1.0/24", out var _);

        Console.WriteLine(b);

    }

}