In the Active directory data, you have the DHCP information collected, however it is incomplete.

With DHCP, there are functions such as Reservations, Scope options, and other data that should also be collected for logging. This pieces of information are also helpful in identifying changes, etc.

Specifically todays need. It would have been helpful if DHCP reservations are recorded along with all pertinent details such as device name, IP address and MAC address.