IPv4 Markets

CIDR in Networking: Improved IP Routing Efficiency

CIDR (Classless Inter-Domain Routing) is a routing system in which network engineers can distribute IP addresses based on the size of their specific network. This is more efficient than the previous system, which assigned IP addresses depending on whether the size of a network fits into one of only three sizes: Class A, Class B, and Class C. more

Take IP Address Management Seriously; Your Business Depends on It

Let's start by stating the obvious: All business communications depend on IP addresses. Without an IP address, you simply can't communicate over the network. No IP address means no access to your email server, no access to your website, and no cell phone or VoIP access. So much for the new VoIP system installed last month. What does that mean to you? more

Looking Back on 2012: What’s in our Rearview Mirror?

Well, 2012 is almost over, and we can now reflect on the major events that hit our industry this year. If I had to choose the top three trends from the past 12 months, they would have to be: 1. Over-the-top (OTT) services; 2. IPv6 deployments (finally!); 3. TR-069 adoption. Let's examine each of these in more detail. more

Update on Assigning 32-bit ASNs

As mentioned in Assigning 32-bit ASNs published one year ago, 16-bit Autonomous System Numbers (ASNs) are becoming a scarce resource just like 32-bit IP addresses. In 2007, the Internet Engineering Task Force (IETF) addressed this scarcity by developing a new format: 32-bit AS Numbers (RFC 4893), which increased the supply of ASNs to four billion. more

The IPv4 Market in 2021

Price was the story of the 2021 IPv4 market. Large and small organizations alike continue to invest in their IPv4 infrastructure causing demand for IPv4 address space to intensify. Meanwhile, supply remains constrained. These market factors drove prices up at a historic rate in 2021. more

IP Address Location Data

The last few years have shown us how the Internet shrinks distances between distributed teams, organizations and families. This poses a challenge for some organizations. Many business relationships and contractual agreements involving the Internet have geographical implications and restrictions. This matters to anyone operating a network. It is most important for networks that get new address space. more

Correlation Between Country Governance Regimes & Reputation of Their Internet Address Allocations

We recently analyzed the reputation of a country's Internet (IPv4) addresses by examining the number of blacklisted IPv4 addresses that geolocate to a given country. We compared this indicator with two qualitative measures of each country's governance. We hypothesized that countries with more transparent, democratic governmental institutions would harbor a smaller fraction of misbehaving (blacklisted) hosts. The available data confirms this hypothesis. A similar correlation exists between perceived corruption and fraction of blacklisted IP addresses. more

The Promise of Connectivity at CES Means Nothing Without IPv6

For a few years now, we have been promised a bright future where connected devices all communicate with each other on the Internet of Things. If this year's CES was any indication, the consumer technology industry is just about ready to deliver on that promise with a flood of new devices and products that will transform the way we interact with technology on a fundamental level. more

Are Big Tech CFOs (Inadvertently) Stealing From Shareholders?

When valuing a stock, analysts and shareholders evaluate always revenue and profit. Big tech COFs are sitting on assets worth tens of millions of dollars of annual profit (not just revenue, but true profit) in the form of unallocated IPv4 addresses. By not selling or leasing these out, they are incurring expenses to hold them and missing out on tremendous profits. At a 20X multiple (for context, Cisco is trading at nearly 18X earnings, Google at just over 33X earnings, Shopify at well over 700X earnings), big tech CFOs are actively preventing over $250 billion in market capitalization for their shareholders. more

The IPv4 Price Inversion

A curious price inversion has occurred in IPv4 markets. The long-term trend that discounted large blocks has reversed. The graph identifies /15 and /16 (large) block pricing per IP address throughout the period in the form of dark spots. It is evident that, for most of the timeframe here (2014 to the first half of 2021), large blocks sold at a significant discount. One might guess that the administrative chores related to large-network needs were most efficiently and cheaply satisfied with large blocks. more

Opinion: IP Leasing Should Become a Market Standard

The Regional Internet Registry (RIR) for the Asia-Pacific region (APNIC) recently held its 55th meeting in conjunction with APRICOT, from 20 February to 2 March 2023, in Manila, USA. One of the critical discussions at the conference was centered on the APNIC policy that does not accept IP leasing and has a questionable understanding of its necessity. According to the APNIC policy manual, which was referenced during the meeting, APNIC allocates and assigns resources based on need, and 'leasing is not allowed' nor does it form a basis for further need. more

ARIN’s New CEO: IPv6 One of the Most Critical Internet Issues Today

The American Registry for Internet Numbers (ARIN) named John Curran as president and chief executive officer, effective July 1, 2009. Since January 1, 2009, Curran has served as acting president and CEO of ARIN. He is a founding member of the ARIN Board of Trustees and served as chairman from August 1997 to December 2008. Curran has also been a valuable participant on CircleID where he has shared his views on a number key issues such as IPv6. more

What is Bring Your Own IP (BYOIP)?

An IPv4 address identifies your connection to the online world. IP addresses make it possible to host websites, manage secure communication, and engage in countless other essential, internet-related activities. Typically, when migrating to a new cloud provider, a business has only one path: lease the provider's IP addresses. But what if a business already has a block of IP addresses? more

Kill the Spreadsheets! Automate VPN IP Assignments and Tracking over MPLS/VRF and vLAN

Advancements in virtual private networking have extended system capabilities for service providers. Providers can divide LANs into multiple discrete segments using either Virtual Local Area Networks (vLANs), leverage Multiprotocol Label Switching (MPLS) or Virtual Routing and Forwarding (VRF) to host Virtual Private Networks (VPNs) that support service operations over multiple instances. more

The 2023 IPv4 Market in North America

In 2021, the story was price. In 2022, the story was price and large block supply. The story in 2023 is decline -- but with a notable caveat. Spurred by unprecedented unit pricing, the North American IPv4 market in 2022 experienced its second-best year in terms of overall traded volume, and in both 2022 and in 2023, large block market activity was as robust as ever, with sellers trading large blocks at over $50 per number. more