DEVtoyCIDR / Subnet Calculator
Calculate IPv4 and IPv6 subnet details from CIDR notation, including the network address and address range.
How to use
- Paste your input or load the example below.
- Adjust the options, then select “Calculate subnet”.
- Review the result, then copy or download it.
No uploads. No account. Processing stays in your browser.
Example input
192.168.10.37/22