C#获取ip地址。

Question

IPHostEntry me = Dns.GetHostEntry(clientinfo.computername);
foreach (IPAddress ip in me.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
clientinfo.ip = ip.ToString();
}

以上获取所有的ipv4地址，怎么修改能从ipv4地址中筛选出虚拟地址和真实地址，只要真实的ipv4地址