More Subnet Tools

Use our other free subnet tools below to calculate your formulas. Our subnetting calculators can help you quickly discover the answers you need.

Our CIDR Subnet Calculator and Netmast Subnet Calculator will both show the applicable information in the Network Address, Broadcast Address, Subnet Mask, CIDR Prefix Size, Wildcard Mask, First Host, Last Host, Number of Hosts, and CIDR Notation.

CIDR Subnet Calculator

IP address CIDR mask

Netmask Subnet Calculator

IP address Netmask