AD HTTPAPI httpd 2.0 (SSDP,UPNP) (WinRM) (5985)
This is used to offer the WinRM service.
WinRM (Windows Remote Management) is MS's implementation of the WS-Management (Web Services for Management) protocol, which allows remote managament of Windows systems using a standardised, SOAP-based API.
If WinRM is enabled, the Test-WsMan command will return WSMan details
Test-WsMan IP