IPv4 to IPv6
Free IPv4 to IPv6 calculator with clear step-by-step results.
About IPv4 to IPv6
IPv4-mapped IPv6 addresses embed the IPv4 address in the low 32 bits.
Formula
Formula
Mapped form ::ffff:a.b.c.d
Worked example
With the default values below, IPv4 to IPv6 returns IPv4-Mapped IPv6 of ::ffff:c0a8:11. Change any input above and every figure here is recalculated in your browser.
Inputs used
- IPv4 address
- 192.168.1.1
Results
- IPv4-Mapped IPv6
- ::ffff:c0a8:11
- Hex Form
- ::ffff:c0a80101
- Decimal Form
- 192.168.1.1
Step by step
- 1Values used
- 2Formula
- 3IPv4-Mapped IPv6= ::ffff:c0a8:11
- 4Hex Form= ::ffff:c0a80101
- 5Decimal Form= 192.168.1.1
Assumptions and limits
- The result is derived only from the single input listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How does this calculator work?
IPv4-mapped IPv6 addresses embed the IPv4 address in the low 32 bits.
Why does this matter?
Used for compatibility during transition.