[sig-policy] Prop-127 announcement : Change maximum delegation size of 103/8 IPv4 address, pool to a /23
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- Subject: [sig-policy] Prop-127 announcement : Change maximum delegation size of 103/8 IPv4 address, pool to a /23
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- Date: Fri, 18 Jan 2019 17:17:15 +1100
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- Do you support or oppose this proposal?
- Does this proposal solve a problem you are experiencing? If so, tell the community about your situation.
- Do you see any disadvantages in this proposal?
- Is there anything in the proposal that is not clear?
- What changes could be made to this proposal to make it more effective?
- 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.
Dear SIG members,
The proposal "prop-127-v001: Change maximum delegation size of 103/8
IPv4 address pool to a /23" has been sent to the Policy SIG for review.
It will be presented at the Open Policy Meeting at APNIC 47 in
Daejeon, South Korea on Wednesday, 27 February 2019.
We invite you to review and comment on the proposal on the mailing list
before the meeting.
The comment period on the mailing list before an APNIC meeting is an
important part of the policy development process. We encourage you to
express your views on the proposal:
Information about this proposal is available at:
Sumon, Bertrand, Ching-Heng
APNIC Policy SIG Chairs
prop-127-v001: Change maximum delegation size of 103/8 IPv4 address
pool to a /23
Proposers: Ching-Heng Ku, Aftab Siddiqui, Yen-Chieh Wang
1. Problem Statement
This is a proposal to change the maximum size of IPv4 address delegations
from the APNIC 103/8 IPv4 address pool  to a /23.
2. Objective of policy change
The current final /8 allocation policy requires that the current minimum
delegation size for IPv4 is a /24 and each APNIC account holder is only
to receive IPv4 address delegations totalling a maximum /22 from the
IPv4 address pool.
According to the APNIC IPv4 Address Report, https://ipv4.potaroo.net/,
addresses in the APNIC 103/8 pool are 42.8%, 33.3%, 23.4% of /8 in the
2016, 2017, and 2018, respectively. The remaining number of APNIC 103/8
address pool for APNIC account holder is less and less. It is predicted
the 103/8 pool will be exhausted in 2020.
Reducing the maximum IPv4 delegation size from APNIC 103/8 IPv4 address
prolong the exhaustion time of the 103/8. Newcomers of APNIC account
have the benefit in this period of time. New companies can obtain some
space in the APNIC service region without the need to trade for address
can make the preparation for the subsequent IPv6 migration.
It is recommended that the number of assigned IPv4 addresses in Final /8
from a maximum of /22 to /23. It will be estimated to extend the
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
Internet Number Resource Policies.
This proposal is to change the maximum size of IPv4 address delegations
APNIC 103/8 IPv4 address pool to a /23. /23 is important because new
use /24 for internal infrastructure and /24 customer assignments and NAT
Current Policy text
Each APNIC account holder is only eligible to receive IPv4 address
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
APNIC 103/8 IPv4 address pool is only eligible to receive a maximum /23
APNIC 103/8 IPv4 address pool.
5. Advantages / Disadvantages
- This proposal allows a greater range of networks to access the
the final /8.
- No disadvantages are foreseen.
6. Impact on resource holders
It reduces the maximum size of the delegated address block available to
members during the final /8 phase. This will affect NIR members in the
as APNIC members.
 Section 6.1. "Minimum and maximum IPv4 delegations" of "Policies for
space management in the Asia Pacific region"