SocketStudy/SocketStudyTest/SocketTest.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SocketStudyTest
{
    public class SocketTest
    {
        [Fact]
        public void Test()
        {
            var hostName = Dns.GetHostName();
            var ipaddressList = Dns.GetHostAddresses(hostName,AddressFamily.InterNetwork);

            var first = ipaddressList.FirstOrDefault(ip => ip.ToString().StartsWith("192"));
            if (first !=null)
            {

            }

            var dd = IPAddress.Any.ToString();
        }
    }
}