Edelman, Benjamin, and Stephen Ryan. “Guidance from ARIN on Legal Aspects of the Transfer of Internet Protocol Numbers.” Business Law Today (May 2013).
Every device connected to the global Internet needs a numeric identifier, an “Internet Protocol” address (“IP address”). The Internet’s continued growth presents a challenge: most IP addresses have already been assigned to networks and organizations, leaving few left for newcomers and growth. In this context, some networks seek to sell the addresses they previously received–sales that can usefully transfer resources to the networks that most need them, but with certain risks that must be handled with appropriate care. We examine the legal basis of applicable rights and identify the circumstances in which such transfers are permitted.