$mac = '6c-ad-f8-b9-72-50'
$gwip = Get-WmiObject -Class Win32_IP4RouteTable | where { $_.destination -eq '0.0.0.0' -and $_.mask -eq '0.0.0.0'} | select nexthop
ping -n 1 $gwip.nexthop | out-null
$arpIP = arp -a | select-string $mac |% { $_.ToString().Trim().Split(" ")[0] }
if ($gwip.nexthop -eq $arpIP){
  write-host "home"
}else{
  write-host "away"
}