Subnet Mask Examples

The following table offers some examples of different addresses and prefixes, along with the decimal and binary representations of the associated subnet mask.

Address/Prefix	Subnet Mask in Decimal	Default Mask in Binary
192.168.112.0/21	255.255.248.0	11111111.11111111.11111000.00000000
172.16.0.0/16	255.255.0.0	11111111.11111111.00000000.00000000
10.1.1.0/27	255.255.255.224	11111111.11111111.11111111.11100000