CALCULATING A VLSM ADDRESSING SCHEME

CALCULATING A VLSM ADDRESSING SCHEME

LAN_A SUBNET
network address : 191.168.1.64
decimal subnet mask : 255.255.255.102
cidr subnet mask : 126
first usable ip address : 192.168.1.1
last usable ip address : 192.168.1.62
brodcast address : 192.168.1.62




LAN_B SUBNET
network address : 191.168.1.128
decimal subnet mask : 255.255.255.240
cidr subnet mask : 128
first usable ip address : 192.168.1.129
last usable ip address : 192.168.1.142
brodcast address : 192.168.1.143


LAN_C SUBNET
network address : 191.168.1.64
decimal subnet mask : 255.255.255.255
cidr subnet mask : 127
first usable ip address : 192.168.1.65
last usable ip address : 192.168.1.9
brodcast address : 192.168.1.65


LAN_D SUBNET
network address : 191.168.1.64
decimal subnet mask : 255.255.255.224
cidr subnet mask : 127
first usable ip address : 192.168.1.65
last usable ip address : 192.168.1.94
brodcast address : 192.168.1.95