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IPv6 Address Converter

Online IPv6 address converter with compression, expansion, prefix calculation, address type detection, and IPv4-mapped parsing

Input IPv6 Address

Conversion Options

Conversion Results

Please enter an IPv6 address



Documentation

What is IPv6 Address Converter

This tool validates and transforms IPv6 addresses, including compressed/expanded forms, type detection, and prefix range calculation.

Key Features

  • Validate IPv6 syntax quickly.
  • View compressed and expanded forms.
  • Detect address type and IPv4-mapped values.
  • Calculate network range by prefix length.

Steps

  1. Enter an IPv6 address.
  2. Choose a mode (format, prefix, validate, IPv4-mapped).
  3. Review and copy needed output fields.

FAQ

Why is an address marked invalid?

Typical causes include incorrect segment count, invalid hex characters, or invalid :: usage.

Why does prefix range look unexpected?

Check prefix length and ensure the input address belongs to the intended subnet.