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using System.Net.NetworkInformation;

NetworkInterface[] MyInterfaces = NetworkInterface.GetAllNetworkInterfaces();
            
foreach (NetworkInterface Networkcards in MyInterfaces)
{
Console.WriteLine(Networkcards.GetIPProperties().UnicastAddresses);
Console.WriteLine(Networkcards.GetIPProperties().GatewayAddresses);
Console.WriteLine(Networkcards.GetIPProperties().DnsAddresses);
Console.WriteLine(Networkcards.GetIPProperties().DhcpServerAddresses);
Console.WriteLine(Networkcards.GetIPProperties().WinsServersAddresses);
}