IPv4 to IPv6 Mapper

Convert an IPv4 address to its IPv6 representations.

What you provide

Result

192.168.1.1 → ::ffff:c0a8:101

The IPv4-mapped form (::ffff:) is the one in active use; a dual-stack system represents IPv4 connections this way. The IPv4-compatible form (::) is deprecated and shown only for completeness.

Diagnostic telemetry
IPv4-mappedWhat dual-stack sockets use — the one you usually want
::ffff:c0a8:101
IPv4-mapped (mixed)Same address, written with the dotted IPv4 tail
::ffff:192.168.1.1
6to4 prefixFor 6to4 tunnelling
2002:c0a8:101::/48
IPv4-compatibleDeprecated — do not use
::c0a8:101

What this cannot tell you

  • Arithmetic on the address you enter. IPv4 only as input.
  • The IPv4-compatible form is deprecated and shown only for reference — do not use it.

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