IPv4 to IPv6

IPv4 to IPv6 | Online Free Tool | Elysia Tools

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category: Network
Input types: textarea, select, checkbox
Output type: text
Sample coverage: 4
API ready: Yes

Overview

The IPv4 to IPv6 converter is a specialized network utility designed to translate standard 32-bit IPv4 addresses into their 128-bit IPv6 equivalents. It supports multiple industry-standard transition formats, including IPv4-mapped, IPv4-compatible, and NAT64, ensuring seamless compatibility for network configuration and migration tasks.

When to use

When migrating network infrastructure from legacy IPv4 to modern IPv6 environments.
When configuring dual-stack network devices that require specific address mapping formats.
When generating NAT64 prefixes for translation services in isolated IPv6-only networks.

How it works

1Enter your IPv4 addresses into the input field, placing each address on a new line.
2Select your preferred output format, such as IPv4-mapped or NAT64, from the dropdown menu.
3Toggle optional settings like line numbering or source data display to customize your output.
4Click the convert button to generate the formatted IPv6 addresses instantly.

Use cases

Network administrators preparing firewall rules for dual-stack transitions.
Developers testing application compatibility in IPv6-only network environments.
System engineers mapping legacy server IPs into modern cloud-native network configurations.

Examples

1. Dual-Stack Infrastructure Mapping

Network Engineer

Background

An engineer is updating a server configuration to support dual-stack connectivity.

Problem

Need to generate IPv4-mapped addresses for a list of existing server IPs to ensure compatibility with IPv6-only internal traffic.

How to use

Paste the server IP list, select 'IPv4-Mapped' format, and enable 'Show Source Data' for verification.

format: mapped, showSourceData: true

Outcome

A clean list showing the original IPv4 address alongside its corresponding IPv6-mapped representation.

2. NAT64 Configuration Setup

Cloud Architect

Background

The team is deploying an IPv6-only cluster that needs to reach external IPv4 services.

Problem

Required to translate a set of external service IPs into the NAT64 format to route traffic through the gateway.

How to use

Input the external service IPs and select the 'NAT64' output format.

FAQ

What is an IPv4-mapped address?

An IPv4-mapped address is an IPv6 address that represents an IPv4 node, typically using the prefix ::ffff:0:0/96.

Can I convert multiple IP addresses at once?

Yes, you can paste a list of IPv4 addresses into the input area, and the tool will process them line by line.

What is the difference between mapped and compatible formats?

Mapped addresses (::ffff:0:0/96) are used for dual-stack nodes, while compatible addresses (::/96) are a legacy format for tunneling IPv4 over IPv6.

Does this tool support NAT64 prefix generation?

Yes, selecting the NAT64 format will apply the well-known 64:ff9b::/96 prefix to your provided IPv4 addresses.

Is my data sent to a server?

The conversion is performed efficiently, and no IP address data is stored or logged by the tool.

format: nat64, addLineNumbers: true

Run this tool

Inputs

Result

Examples that match this tool

Continue with connected tools and hubs

Inputs

Result

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Dual-Stack Infrastructure Mapping

2. NAT64 Configuration Setup

FAQ

Web Image Processing Python Samples

Android Image Processing Java Samples

Android Image Processing Kotlin Samples

Web Image Processing Rust Samples

CIDR Calculator

Integer to IPv4

Integer to IPv6

IP Info

Network Address Conversion and Traffic Inspection Tools

Network Triage, Packet Inspection, and Endpoint Debugging Tools

Audio Encoding and Format Conversion Tools

Image Format Conversion and Animated Export Tools