CIDR Calculator
Calculate IPv4 network range, subnet mask, broadcast address, and host count. Enter IPv4 address and Prefix length to get Network, Broadcast, Subnet mask and First host.
Parameters
Enter the required details below
Ready to Calculate
Enter your parameters and click calculate to see the results here.
How to Use
- Enter IPv4 address.
- Enter Prefix length.
- Click Calculate to see Network, Broadcast, Subnet mask and First host.
- Check the result. Use Reset if you want to try different numbers.
About This Calculator
Calculate IPv4 network range, subnet mask, broadcast address, and host count. This tool is in the Technology & Developer collection on Qalculators. Enter IPv4 address and Prefix length to calculate Network, Broadcast, Subnet mask and First host. Results stay in your browser unless you copy them.
Frequently asked questions
What does CIDR Calculator calculate?+
Calculate IPv4 network range, subnet mask, broadcast address, and host count. You enter IPv4 address and Prefix length and receive Network, Broadcast, Subnet mask and First host.
What information do I need for CIDR Calculator?+
You need IPv4 address and Prefix length. Optional fields can stay at their defaults.
Is CIDR Calculator free to use?+
Yes. CIDR Calculator is free and does not require an account. The calculation runs in your browser.
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