[sig-policy] Final Comment Period for prop-127: Change maximum delegation siz e of 103/8 IPv4 address pool to a /23
Dear colleagues
Version 1 of prop-127: Change maximum delegation size of 103/8 IPv4
address pool to a /23, reached consensus at the APNIC 47 Open Policy
Meeting and later at the APNIC Annual General Meeting (AGM).
This proposal will now move to the next step in the APNIC Policy
Development Process and is being returned to the Policy SIG mailing list
for the final Comment Period.
- Deadline for comments: 23:59 (UTC +10) Thursday, 28 March 2019
Proposal details, including the full text of the proposal, history, and
links to previous versions are available at:
https://www.apnic.net/community/policy/proposals/prop-127/
Regards
Sumon, Ching-Heng, Bertrand
Policy SIG Chairs
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prop-127-v001: Change maximum delegation size of 103/8 IPv4 address
pool to a /23
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Proposers: Ching-Heng Ku, Aftab Siddiqui, Yen-Chieh Wang
chku@twnic.tw
1. Problem Statement
--------------------
This is a proposal to change the maximum size of IPv4 address
delegations from the APNIC 103/8 IPv4 address pool [1] to a /23.
2. Objective of policy change
-----------------------------
The current final /8 allocation policy[1] requires that the current
minimum delegation size for IPv4 is a /24 and each APNIC account holder
is only eligible to receive IPv4 address delegations totaling a maximum
/22 from the APNIC 103/8 IPv4 address pool.
According to the APNIC IPv4 Address Report, https://ipv4.potaroo.net/,
remaining addresses in the APNIC 103/8 pool are 42.8%, 33.3%, 23.4% of
/8 in the end of 2016, 2017, and 2018, respectively. The remaining
number of APNIC 103/8 IPv4 address pool for APNIC account holder is less
and less. It is predicted that the 103/8 pool will be exhausted in 2020.
Reducing the maximum IPv4 delegation size from APNIC 103/8 IPv4 address
pool can prolong the exhaustion time of the 103/8. Newcomers of APNIC
account holders will have the benefit in this period of time. New
companies can obtain some IPv4 address space in the APNIC service region
without the need to trade for address space and can make the preparation
for the subsequent IPv6 migration.
It is recommended that the number of assigned IPv4 addresses in Final /8
be reduced from a maximum of /22 to /23. It will be estimated to extend
the exhaustion time for at least three years or more.
3. Situation in other regions
-----------------------------
There is no similar policy in place in other RIR regions.
4. Proposed policy solution
---------------------------
It is proposed to modify the 6.1 Minimum and maximum IPv4 delegations of
the APNIC Internet Number Resource Policies[1].
This proposal is to change the maximum size of IPv4 address delegations
from the APNIC 103/8 IPv4 address pool[1] to a /23. /23 is important
because new ISPs can use /24 for internal infrastructure and /24
customer assignments and NAT for IPv6 transition.
Current Policy text
Each APNIC account holder is only eligible to receive IPv4 address
delegations totalling a maximum /22 from the APNIC 103/8 IPv4 address pool.
New Policy text
Each APNIC account holder without APNIC 103/8 IPv4 address delegations
from the APNIC 103/8 IPv4 address pool is only eligible to receive a
maximum /23 from the APNIC 103/8 IPv4 address pool.
5. Advantages / Disadvantages
-----------------------------
Advantages:
- This proposal allows a greater range of networks to access the
resources in the final /8.
- This proposal extends the maximum possible total number of networks
that can benefit from the final /8 pool from around 16,000 to around
18,000 networks, providing small amounts of IPv4 to be available for
networks, developing economy, etc., making the transition to IPv6 for
many years to come.
Disadvantages:
- No disadvantages are foreseen.
6. Impact on resource holders
-----------------------------
It reduces the maximum size of the delegated address block available to
APNIC members during the final /8 phase. This will affect NIR members in
the same way as APNIC members.
7. References
-------------
[1] Section 6.1. "Minimum and maximum IPv4 delegations" of "Policies for
IPv4 address space management in the Asia Pacific region"
https://www.apnic.net/community/policy/resources#Part-2-IPv4-Policy
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