With IPHost Network Monitor you can run WMI Powered On monitoring of various devices in your network.
To create a WMI monitor for Powered On, provide host name (it must be a Windows host) and specify custom WQL query:
Boolean indicating that the physical element is powered on (TRUE), or is currently off (FALSE).
The Win32_PhysicalMemory class represents a physical memory device located on a computer system as available to the operating system.
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.