Subnetting Worksheet

Host IP Address 172.30.1.33  (Class B)
Network Mask 255.255.0.0 (Defaut for Class B)
Network Address  172.30.0.0
Network Broadcast Address  172.30.255.255
Total Number of Host Bits 16
Subnets 1
Hosts per subnet : 254
Number of Hosts  65534 (254 x 254)
Host Address range 172.30.0.1 - 172.30.255.254




Host IP Address 172.30.1.33
Network Mask 255.255.255.0
Network Address 172.30.1.0
Network Broadcast Address  172.30.1.255
Subnets 256
Hosts per subnet : 254
Total Number of Host Bits 8
Number of Hosts
Host Address range 172.30.1.1 - 172.30.1.254


Host IP Address 192.168.10.234 (Class C)
Network Mask 255.255.255.0
Network Address 192.168.10.0
Network Broadcast Address 192.168.10.255
Total Number of Host Bits 8
Number of Hosts 254


Host IP Address 172.17.99.71 (Class B)
Network Mask 255.255.0.0
Network Address 172.17.0.0
Network Broadcast Address 172.17.255.255
Total Number of Host Bits 16
Number of Hosts 65534


Host IP Address 192.168.3.219 (C)
Network Mask 255.255.0.0
Network Address
Network Broadcast Address
Total Number of Host Bits
Number of Hosts

Host IP Address 192.168.3.219
Network Mask 255.255.255.224
Network Address  192.168.3.
Network Broadcast Address
Total Number of Host Bits  5
Number of Hosts 30
Host Range : 192.168.3.97 - 192.168.3.126