The report below lists all AD users that are part of the local administrator group, per asset.The report includes the asset IP address and the OU the account is in.
Select Top 1000000 tblAssets.AssetID,
tblAssets.AssetName,
tblAssets.IPAddress,
tblUsersInGroup.Username,
tblUsersInGroup.Domainname,
tblUsersInGroup.Groupname,
tblADusers.OU
From tblAssets
Inner Join tblUsersInGroup On tblAssets.AssetID = tblUsersInGroup.AssetID
Inner Join tblADusers On tblADusers.Username = tblUsersInGroup.Username And
tblADusers.Userdomain = tblUsersInGroup.Domainname
Where tblUsersInGroup.Groupname = 'administrators'
Order By tblAssets.AssetName