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Report information from NetworkInterface

using System; using System.Net.NetworkInformation; class MainClass {     static void Main()     {         if (!NetworkInterface.GetIsNetworkAvailable())            return;         NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();         foreach (NetworkInterface ni in interfaces)         {             Console.WriteLine("IP Addresses:");             foreach (UnicastIPAddressInformation addr in ni.GetIPProperties().UnicastAddresses)             {                 Console.WriteLine("- {0} (lease expires {1})", addr.Address, DateTime.Now + new TimeSpan(0, 0, (int)addr.DhcpLeaseLifetime));             }         }     } } IP Addresses: IP Addresses: - 192.168.1.101 (lease expires 26/03/2007 8:28:25 AM) IP Addresses: - 127.0.0.1 (lease expires 31/12/1969 5:00:00 PM)