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MAC Address to IP Converter

This page provides a simple, stylish online tool to instantly convert any MAC address into its corresponding IPv6 link-local address using the EUI-64 standard. Enter a MAC address, and the converter displays the IPv6 address format typically used for automatic configuration on local networks. This tool is useful for network engineers, students, and anyone interested in understanding IPv6 addressing.​

MAC to IPv6 Converter

What does this MAC to IPv6 converter do?

This tool takes a standard 48-bit MAC address and converts it into a link-local IPv6 address using the EUI-64 process, allowing you to see how IPv6 hosts self-generate addresses on local networks.

Why can’t I convert a MAC address to an IPv4 address?

IPv4 addresses are typically assigned dynamically (e.g., via DHCP) and do not have a fixed relationship with MAC addresses, making direct conversion impossible. Only IPv6 supports deterministic conversion from MAC to IP using standard rules.

How does the conversion from MAC to IPv6 work?

The process involves inverting the seventh bit of the MAC address, inserting "ff:fe" in the middle, and formatting the result as an IPv6 link-local address with the "fe80::" prefix, following the EUI-64 standard.

Can I use this tool to find the real-time IP address of a device on my network?

No, this converter generates a likely link-local IPv6 address based on the input MAC address, but it cannot find or verify currently assigned IPs on your network. That requires advanced network scanning software or router access.​

Why is the link-local IPv6 prefix always “fe80::”?

The "fe80::" prefix is reserved for link-local IPv6 addresses, which are used by devices for communication within the same local network segment, following the official IPv6 standard.
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