1. Plaja IP organizationala:		172.16.0.0/19
	----------------------------
	[N: 172.16.0.0 - 172.16.31.255 :B]


	2. Subnetam in functie de cerinte:
	----------------------------------

Denumire	Subnet		Network		Bcast		Primul IP	Ultimul IP	Subnet
LAN		LAN		Address		Address		Util		Util		Mask
----------------------------------------------------------------------------------------------------------
LAN1 (2000H)	172.16.16.0/21	172.16.16.0	172.16.23.255	172.16.16.1	172.16.23.254	255.255.248.0
LAN2 (4000H)	172.16.0.0/20	172.16.0.0	172.16.15.255	172.16.0.1	172.16.15.254	255.255.240.0
LAN3 (1000H)	172.16.24.0/22	172.16.24.0	172.16.27.255	172.16.24.1	172.16.27.254	255.255.252.0


	3. Verificarea de incadrare:
	----------------------------

	172.16.27.255 ??? 172.16.31.255		R: <	- OK.