using System;

using System.Net.Http;

using System.Net.Http.Headers;

using System.Text;

​

public class Program

{

    private static HttpClient httpClient = new HttpClient();

    private static UriBuilder uriBuilder = new UriBuilder();

    public static async void Main()

    {

        string _username = "admin";

        string _password = "Zuerich#14";

        Uri _infoBloxURI;

        var byteArray = Encoding.ASCII.GetBytes($"{_username}:{_password}");

        HttpRequestMessage _reqMessage = new HttpRequestMessage();

        //_reqMessage.Headers.Add("Content-Type","application/json");

        //_reqMessage.

        _reqMessage.Method = HttpMethod.Post;

        _reqMessage.RequestUri = new Uri("https://104.210.216.95/wapi/v2.9/network/ZG5zLm5ldHdvcmskMTAuMTI4LjAuMC8yNC8w");

        _reqMessage.Headers.Authorization = new AuthenticationHeaderValue("Basic",Convert.ToBase64String(byteArray));

        HttpResponseMessage  _httpResponse = await httpClient.SendAsync(_reqMessage);

        Console.WriteLine("Hello World");

    }

}