This uses a master inventory list of assets and verifies whether that asset appears in a vulnerability scan report (e.g. Tenable Nessus scan report). The purpose is to report on whether an asset is reachable by the vulnerability scanner and regularly scanned.
It should result in a data frame per below:
Asset, Scan Date 1, Scan Date 2, Scan Date 3 HOSTNAME1, TRUE, FALSE, TRUE HOSTNAME2, TRUE, TRUE, TRUE HOSTNAME3, FALSE, FALSE, FALSE