using System; namespace System.Net.NetworkInformation { /// Provides information about a network interface address. public abstract class IPAddressInformation { /// Gets the Internet Protocol (IP) address. public abstract IPAddress Address { get;} /// Gets a bool value that indicates whether the Internet Protocol (IP) address is legal to appear in a Domain Name System (DNS) server database. public abstract bool IsDnsEligible { get;} /// Gets a bool value that indicates whether the Internet Protocol (IP) address is transient. public abstract bool IsTransient { get;} } }