An Insider’s Guide to the IPv4 Market - Updated

On September 24, 2015, the free supply of IPv4 numbers in North America dwindled to zero. Despite fears to the contrary, IPv4 network operators have been able to support and extend their IP networks by purchasing the IPv4 address space they need from organizations with excess unused supply through the IPv4 market. The IPv4 market has proved to be an effective means of redistributing previously allocated IPv4 numbers, and could provide enough IPv4 addresses to facilitate the Internet's growth for several more years while the protracted migration to IPv6 is underway. more

Is it Finally Time to Eliminate Needs-Based IPv4 Transfer Policies?

Two weeks before depletion of the American Registry for Internet Numbers (ARIN) IPv4 free pool in September 2015, we published an article recommending that the ARIN community adopt transfer policies that encourage trading transparency and improve whois registry accuracy. By eliminating needs justification as a pre-condition to updating the registry, we argued that ARIN could eliminate existing policy-based barriers that have kept many otherwise lawful and legitimate commercial transactions in the shadows. more

Unlocking the Hidden Value Within Your IT Organization

Many C-level executives are unaware their IT organizations could be sitting on a lucrative sellable supply of unused IPv4 addresses. Assessing and executing on the opportunity takes planning, but there's a clear path for getting it done. In 2014 and 2015, buyers had their pick of large block holders with millions of available and unused numbers. This surplus allowed large buyers to shop around for the lowest offer and, as a result, drive prices down to a low of $4/number. more

IPv4 Market Outlook

When 2015 began, there were several million IPv4 numbers still in the American Registry for Internet Numbers (ARIN) IPv4 free pool, ARIN was processing 4-5 unique IPv4 transfer transactions per month, and fewer than 5 million numbers had been transferred publicly in the prior 12 months. The end of 2015 told a different story. In late September, the ARIN free pool was depleted. more