We can find HP valid Onboard Administrators list in the subnet by using the HP cmdlet Powershell script .
Download the HP cmdlet from the below link .
Install the HPOACmdlets-x64.msi and look for the pdf for the installation steps.
Get-Help *hp* – It will show all the commands related to the HP
Get-Help *hpoa* – It will show all the commands related to the HP-onboard administrator.
The Find-HPOA cmdlet lists valid Onboard Administrators in the subnet provided. You must provide the subnet in which the Onboard Administrators have to be searched.
Download the script from the below location.