Here is another example which also uses GetIPOptions()
http://www.kixtart.org/forums/ubbthreads.php?ubb=showflat&Number=159170#Post159170

 Code:
for each $connection in EnumNetworkConnections(1)
  $ConnectionName=split($connection,",")[0]
  $MAC=split($connection,",")[1]
  $IP=GetIPOptions("IPAddress",,$MAC)
  ? $ConnectionName
  ? "   IP:" + $IP
  ? "  MAC:" + $MAC
  ?
next