This repository can be used to filter down active ip addresses for Microsoft DHCP using a small ping monitor
Download: ms_dhcp_filter_active_ports_and_monitor.ps1 and change the following variables:
$sername = "*scope_name*"
$csvPath = "D:\DHCP_Reservations.csv"
$csvPathupdate = "D:\DHCP_Reservations_output.csv"
$txtPath = "D:\unreachable.txt"
$counter = 0
$seconds = 900
$max_seconds_run = 3600