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IPv4 and IPv6 CIDR calculator
Calculate the network address, address range and address count.
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Enter your text
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IPv4 and IPv6 CIDR calculator · How to use
Calculate the network address, address range and address count.
- Enter your text
- Set your options
- Convert
- Inputs and results are not saved automatically. Copy or download the results you need.
Example
192.168.1.0/24 → 256 addresses, last address 192.168.1.255
Things to know
Calculates IPv4 and IPv6 network ranges. It does not connect to hosts or scan ports.
Your files and results are never sent to a server. Everything is processed in this browser.