Networking

IPv4 to IPv6 Converter

IPv4 Address

IPv4-Mapped IPv6

Format: ::ffff:a.b.c.d

IPv4-Compatible IPv6

Format: ::a.b.c.d (deprecated)

Full IPv6 (Hex)

Format: ::ffff:XXXX:XXXX

6to4 Address

Format: 2002:XXXX:XXXX::

About IPv4 to IPv6 Conversion

This tool converts IPv4 addresses to various IPv6 representations. As the internet transitions from IPv4 to IPv6, these formats help maintain compatibility.

Conversion formats:

IPv4-Mapped: Used by dual-stack systems to represent IPv4 addresses in IPv6 format
IPv4-Compatible: Legacy format (deprecated in RFC 4291)
Full Hex: IPv4 bytes converted to hexadecimal in IPv6 notation
6to4: Tunneling mechanism for connecting IPv6 islands over IPv4