Count Subnets for IPv6
Use exact whole numbers count IPv6 child prefixes wey get equal length.
Your numbers
Number of child subnets
Planning estimate with the parameters wey you enter. E no contact external service, device, live tariff or network.
Compare scenarios
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Formula
Use S = 2^(c−p) and A = 2^(128−c). p na parent prefix, c na child prefix, S na number of child subnets, and A na addresses for each child subnet.
Use exact whole numbers count IPv6 child prefixes wey get equal length.
Example wey show the calculation
- Length of parent prefix
- 48
- Length of child prefix
- 64
- Number of child subnets
- 65536
- Addresses inside each child subnet
- 18446744073709551616
Where e fit work and limits
Planning estimate with the parameters wey you enter. E no contact external service, device, live tariff or network.
We check inputs for missing values and allowed ranges. Result wey pass the finite numeric range no go show. Rounding affect wetin display, while calculation use the model numeric precision.
Check your units and assumptions before you rely on result. Changing label no convert currency or physical unit.
Version of di formula: 5dbd88d26ec1 · Example don get check: