WellKnownService object
Use WellKnownService record record is used to describe the well known services (WKS) supported by a particular protocol on a particular internet address. Use the WellKnownService property to access the WKS records. The WellKnownService object supports the following properties and methods:

NameDescription
AddressRetrieves the IP address for the well known service.
BitmapRetrieves an array of bytes that are one bit per port for specified protocol.
ProtocolSpecifies the protocol number.