[sig-policy] Final Comment Period for prop-127: Change maximum delegation siz e of 103/8 IPv4 address pool to a /23

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  • Subject: [sig-policy] Final Comment Period for prop-127: Change maximum delegation siz e of 103/8 IPv4 address pool to a /23
  • From: "chku" <chku@twnic.net.tw>
  • Date: Thu, 28 Feb 2019 13:40:19 +0800 (CST)
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  • Reply-to: chku <chku@twnic.net.tw>

    • 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
      
      
      ----------------------------------------------------------------------
      
      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
                  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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