Classless Addressing
IP address with the subnet mask defines the range of addresses in the block
- E.g 10.1.1.32/28 (subnet mask 255.255.255.240) defines the range 10.1.1.32 to 10.1.1.47
- 10.1.1.32 is the network address
- 10.1.1.47 is the broadcast address
- 10.1.1.33 -ᡦ assignable addresses