For example, to calculate the network address when a subnet address of 255.255.255.224 masks a host address of 192.168.1.161, type "192" into cell A1, "168" into A2, "1" into A3 and "161" into A4.

IP Network Calculator is also a great tool for those learning about networking who want to find out how CIDR, IP addresses, and subnets all work with one another.

IP Network Calculator is also a great tool for those learning about networking who want to find out how CIDR, IP addresses, and subnets all work with one another.