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prop-117-v003: Returned IPv4 address management and Final /8 exhaustion

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Proposer:       Tomohiro Fujisaki
                fujisaki@syce.net


1. Problem statement
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APNIC currently makes delegations from two IPv4 pools. These are the 
103/8 (Final /8) pool and the non-103/8 IPv4 Recovered pool. 

With current policy, all returned address space, including 103/8 blocks,
will be merged into the IPv4 Recovered pool.

If a 103/8 block is returned, it is placed in the IPv4 Recovered pool 
and re-distributed as returned space. Some organisations may receive 
duplicate blocks from 103/8: one under the final /8 policy, the other 
under the returned pool policy.

Current APNIC Policy requires account holders to receive address space 
from the 103/8 (Final /8) pool before they can apply for address space 
from the Recovered pool.

APNIC currently manages a Recovered Pool Waiting List for approved 
requests that cannot be met from the IPv4 Recovered pool.


2. Objective of policy change
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To simplify the address pool management and to provide guidance for 
103/8 pool exhaustion.


3. Situation in other regions
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None.


4. Proposed policy solution
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Handling returned address:
  - Recovered 103/8 space will be placed in the 103/8 (Final /8) pool.
  - Recovered non-103/8 space will be placed in the IPv4 Recovered pool.


5. Advantages / Disadvantages
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Advantages:

  - Simplifying management of remaining IPv4 address pools.

Disadvantages:

None.


6. Impact on resource holders
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No impact to resource holders.


7. References
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