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Policy Proposal 2008-6
Emergency Transfer Policy for IPv4 Addresses

Author: Bill Darte

Date: 26 August 2008

Proposal type: New

Policy term: Temporary

Policy statement:

8.2.1 Emergency Transfer Policy for IPv4 Addresses

For a period of 3 years from policy implementation, transfer of ARIN IPv4 addresses between two entities in the ARIN region, without the active involvement of ARIN as an intermediary, will be considered legitimate and will be documented accordingly under the following conditions:

1. Transfer takes place from a holder of IPv4 addresses recognized by ARIN as the legitimate and exclusive holder of those resources.

2. Transfer takes place to a recipient that has documented operational need in accordance with current ARIN policy and that signs an RSA with ARIN covering those resources in advance of transfer.

3. Transfer of addresses takes place in such a way that the original contiguous block(s) are not disaggregated into more than 4 resultant network blocks each being greater than or equal to the current minimum sizes specified in applicable ARIN policy.

4. Transfer is complete and unrestricted and is supported by documentation that ARIN deems satisfactory.


In order for ARIN to fulfill its mission and to facilitate a continuing supply of IPv4 address resources to its service community when ARIN resources are no longer adequate, and to preserve the integrity of documentation and ARIN services for those resources, this policy may be implemented. Its intent is to preserve the current tradition of
need-based allocation/assignments for those still needing IPv4 resources during a transition period as the industry adopts IPv6. This policy is not intended to create a 'market' for such transfers and does not introduce or condone the monetization of address resources or a view of addresses as property. It does recognize that organizations making available unused or no longer needed address resources may incur certain costs that might be compensated by those acquiring the resources. This policy is intended to be transient and light-weight and does not encourage a sustained or continuing role for IPv4, but rather helps to mitigate a transitional crisis that may emerge while the industry adopts IPv6 in accordance with the recommendation of ARIN's Board of Trustees.

Timetable for implementation:

This policy, once ratified by the ARIN Board of Trustees, would be implemented when either the free-pool of IANA addresses is exhausted or IPv4 address resources in the ARIN Region reaches a threshold of scarcity recognized by the ARIN Board of Trustees as requiring this policy implementation.