With IPHost Network Monitor you can run WMI Port Number monitoring of various devices in your network.
To create a WMI monitor for Port Number, provide host name (it must be a Windows host) and specify custom WQL query:
The PortNumber property indicates the number of the TCP port used by the port monitor to communitcate with the device.
The Win32_TCPIPPrinterPort class represents a TCP//IP service access point. For example a TCP/IP printer port. Note: The SE_LOAD_DRIVER_PRIVILEGE privilege is required on this class.
IPHost Network Monitor is an advanced and easy tool for monitoring LAN and WAN networks, network servers, workstations and TCP/IP devices. Use IPHost Network Monitor to monitor your servers, domains, computers and devices.