Running Out of Numbers: Scarcity of IP Addresses and What to Do About It

14 Pages Posted: 4 Feb 2009 Last revised: 29 Jul 2014

Date Written: March 12, 2009

Abstract

The Internet's current numbering system is nearing exhaustion: Existing protocols allow only a finite set of computer numbers ("IP addresses"), and central authorities will soon deplete their supply. I evaluate a series of possible responses to this shortage: Sharing addresses impedes new Internet applications and does not seem to be scalable. A new numbering system ("IPv6") offers greater capacity, but network incentives impede transition. Paid transfers of IP addresses would better allocate resources to those who need them most, but unrestricted transfers might threaten the Internet's routing system. I suggest policies to facilitate an IP address "market" while avoiding major negative externalities - mitigating the worst effects of v4 scarcity, while obtaining price discovery and allocative efficiency benefits of market transactions.

Keywords: Market design, IP addresses, network, Internet

Suggested Citation

Edelman, Benjamin G., Running Out of Numbers: Scarcity of IP Addresses and What to Do About It (March 12, 2009). Auctions, Market Mechanisms and Their Applications 14 (2009): 95–106., Available at SSRN: https://ssrn.com/abstract=1337075 or http://dx.doi.org/10.2139/ssrn.1337075

Benjamin G. Edelman (Contact Author)

Microsoft Corporation ( email )

One Microsoft Way
Redmond, WA 98052
United States

HOME PAGE: http://www.benedelman.org/

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