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The Hidden Value of IPv4 Addresses and How to Take Advantage of Rising IPv4 Address Value

Everything You Need to Know About IPv4 vs. IPv6

IPv4 Markets / Most Viewed

IPv6 Presents a Security Paradox for the Network

The capabilities IPv6 provides will enhance online security, but the shift to the new Internet address scheme may also present risks if not properly managed. Previously, Internet security was largely an after-thought for the early Internet, as its primary purpose was to facilitate open, end-to-end, any-to-any communications and information exchange for bridging and accelerating research efforts. Today, we have a much more complex online ecosystem that spans billions of users across the globe and serves not only as an engine for e-commerce, but as an engine for all commerce. more

What Drives IPv6 Deployment?

It's been six years since World IPv6 Launch day on the 6th June 2012. In those six years, we've managed to place ever-increasing pressure on the dwindling pools of available IPv4 addresses, but we have still been unable to complete the transition to an all-IPv6 Internet. Nobody predicted this situation when we first thought about the consequences of running out of IPv4 addresses. We all thought that the depletion of IPv4 addresses would in a continuously expanding Internet provide sufficient rationale for IPv6. more

Which Region is Taking the Lead in IPv6 Deployment?

IPv6 is in the news because the mainstream media have started to pick up the fact that IPv4 will be fully allocated in the next two or three years. And IPv6 deployment is important if we want to keep the Internet growing sustainably. So where is IPv6 deployment most evident? more

All IP Addresses Are Not the Same

One IP address is much the same as another - right? There's hardly a difference between 192.0.2.45 and 192.0.2.46 is there? They are just encoded integer values, and aside from numerological considerations, one address value is as good or bad as any other - right? So IP addresses are much the same as each other and an after-market in IP addresses should be like many other markets in undistinguished commodity goods. Right? more

NTIA Awards IANA Functions Contract to ICANN

The U.S. Commerce Department's National Telecommunications and Information Administration (NTIA) announced today that it has awarded the Internet Assigned Numbers Authority (IANA) functions contract to the Internet Corporation for Assigned Names and Numbers (ICANN). The IANA functions are key technical services critical to the continued operations of the Internet's underlying address book, the Domain Name System (DNS). more

IPv6 Address Allocations

Last year, we presented statistics on the number of RIPE NCC members and the resources distributed to them. Now, one year later, we revisit the topic and look at how things evolved in 2010. We were particularly interested to see how the number of IPv6 allocations increased over time. more

Are We Ready to Switch Off IPv4?

At the RIPE 67 meeting in Athens, Greece, the RIPE IPv6 Working Group ran a little experiment to test the feasibility of an IPv6-only network and to identify challenges in user experience. While the results were highly encouraging, they indicated that there is still work to be done before IPv4 can be switched off once and for all. As IPv6 is slowly but surely deployed around the world, we've entered a phase where it's necessary for your devices to be able to communicate using either of the two IP protocols currently in use. more

Business Case for IPv6 - Part 2

In my previous blog on the topic, I stated that the business case supporting the IPv4 roll-out in the late 90s was the Internet. Although IP depletion will slowly become a reality, the chances are that due to mitigating technologies such as NAT and DNS64, it may take quite a while before organizations in the developed economies will get serious about IPv6. So where should we look to find a business case for IPv6? more

Commercial Incentives Behind IPv6 Deployment

The Best Practice Forum (BPF) on IPv6 at the Internet Governance Forum (IGF) explored what economic and commercial incentives drive providers, companies and organizations to deploy IPv6 on their networks and for their services. The BPF collected case studies, held open discussions online and at the 2016 IGF meeting, and produced a comprehensive output report. This article gives a high-level overview. more

A Seismic Shift: IPv4 Numbers Becoming Transferable and Consequently Property

A Tipping Point for the Internet? Catching the precise moment of a tectonic shift in a global system as large and important as the Internet may be viewed as an exercise in the improbable. However, I point out in this summary that I think we are precisely in the midst of such a shift... more

Recent Enhancements to ARIN’s whoIS-RWS Service

ARIN deployed a series of enhancements to its Whois-RWS service today. This includes enabling CIDR support and IPv6 lookups in the search box on the web page, provided plain text rendering of lists of ASNs and networks on the web - plus enhanced CIDR query matching on WHOIS port 43. more

IPv6 in China

Much has been written about the progress of the adoption of IPv6 over the years. I know I've been guilty of adding my writings into the pool, and this article is a further contribution to that pool of observations and measurements. In this case, I want to look in some detail at the deployment of IPv6 in China. Why is China so important in this story of IPv6 deployment? more

Country Internet Registries: One African Perspective

Paul Wilson, Secretary-General of APNIC, was correct when he reminded the panelists of the IGF2009 workshop "Adopting IPv6: What You Need To Know" that "countries don't typically get IP address allocations, network service providers do". The ITU stills seems to cling to the notion that countries get IP blocks... more

IPv6: Penny Wise and Pound Foolish

The theory put forward by the IETF was simple enough... while there were still enough IPv4 addresses, use transition technologies to migrate to dual stack and then wean IPv4 off over time. All nice and tidy. The way engineers, myself included, liked it. However those controlling the purse strings had a different idea. more

How Many IPv4 Addresses Does the RIPE NCC Have Left?

Since IANA ran out of IPv4 addresses, people are increasingly aware of how short the remaining lifetime of IPv4 is. With World IPv6 Day taking place this week, the issue has come into even sharper focus. Since March 2011, the RIPE NCC has been publishing the size of its pool of available IPv4 addresses. All five Regional Internet Registries (RIRs) regularly publish the status of their IPv4 address pools. In the image below, you can see how the number of IPv4 addresses in the RIPE NCC pool changes over time. more