IPv4 to IPv6 Converter
Enter any IPv4 address to instantly convert it into multiple IPv6 representations including IPv4-mapped, IPv4-compatible, and 6to4 tunnel formats. Get ready-to-use IPv6 addresses with full expanded and compressed forms — essential for dual-stack migration and transition planning. The ip subnet calculator takes any IP address and subnet mask and returns the full network breakdown with CIDR, broadcast, and host range.
Input IPv4 Address
IPv6 Representations
IPv6 Address Format Types
| Type | Format | Usage |
|---|---|---|
| IPv4-Mapped | ::ffff:a.b.c.d | Dual-stack applications |
| 6to4 | 2002:xxyy:zzww::/48 | Automatic tunneling |
| IPv4-Compatible | ::a.b.c.d | Deprecated (RFC 4291) |
Related Network Tools
Explore these related tools for subnet calculation and IP address management. Run the vlsm calculator to generate a VLSM plan that fits multiple subnet sizes into a single address block without overlap.
Additional networking calculators for IP address planning and network analysis. To calculate subnet mask for a router configuration, enter the network address and prefix and copy the dotted-decimal result.
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