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IPv6 Info Center

This page contains information on how your organization can prepare to adopt IPv6. Not sure what IPv6 is? Look a little farther down the page for more background.

Preparing for IPv6

Before you implement IPv6, it's a good idea to make sure your equipment, software, and staff are ready. Think about how many network addresses you'll need, and how you'll set up your network. Get advice from those who have already adopted IPv6, and ask questions! You can visit the IPv6 wiki to help you research your options.

How do I get IPv6?

It's easy! Folllow these steps:

  1. Research and plan (see above).
  2. Decide how much space you'll need to request. Our IPv6 planning page will help.
  3. Submit your request through ARIN Online.

What do I do next?

  1. Implement IPv6 on your network's hardware and applications, using the IPv6 wiki for implementation advice and shared experiences from other organizations who have already implemented IPv6.
  2. Get involved with the IPv6 community! Share your success story, get more information, and talk with others who are in similar situations.

For more information, see:

How ARIN uses IPv6:

What is IPv6?

Internet Protocol version 6 (IPv6) is the latest IP revision, developed as a successor to IPv4. IPv6 provides a much larger address pool so that many more devices can be connected to the Internet. It also improves addressing and routing of network traffic. Because the free pool of IPv4 addresses has been depleted, customers will want to request IPv6 address space for new networks, and eventually transition their networks from IPv4 to IPv6.

How is IPv6 Different from IPv4?

IPv6 differs from IPv4 in many ways, including address size, format, notation, and possible combinations. We've created a quick video to highlight some of the differences.

An IPv6 address consists of 128 bits (as opposed to the 32-bit size of IPv4 addresses) and is expressed in hexadecimal notation. The anatomy of an IPv6 address is shown below. Hover over each part of the address to learn what the different sections represent:

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