Number Resource Allocation Data
Our primary role in managing Internet number resources is to provide pools of unallocated IP addresses and AS numbers to Regional Internet Registries (RIRs) according to their needs as described by ICANN's Global Addressing Policies .
These policies contain allocation algorithms that are based on the level of resource utilization of prior allocations. We track allocation rates here and provide analysis of eligibility for future RIR allocations.
IP Address Utilization
The chart below summarizes the utilization of IPv6 addresses RIRs have made to network operators. IPv4 is not represented as IANA's supply has been exhausted and our allocation method for recovered address space does not factor in utilization.
Detailed information is available for each RIR by clicking the chart.
Number of IPv6 Address Allocations in /32s
Autonomous system number utilization.
The chart below summarizes utilization of AS numbers that RIRs have made to network operators. Detailed information is available for each RIR by clicking the chart.
Number of ASN Allocations
Number resources.
- RIR Allocation Data
- IPv6 (AFRINIC)
- IPv6 (APNIC)
- IPv6 (ARIN)
- IPv6 (LACNIC)
- IPv6 (RIPE NCC)
- ASN (AFRINIC)
- ASN (APNIC)
- ASN (LACNIC)
- ASN (RIPE NCC)
- Abuse Issues
- Questions and Answers
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For complete registration details, see [IANA registry iana-ipv6-special-registry]. 2001:0200::/23, APNIC, 1999-07-01, whois.apnic.net, https://
As stated in [RFC3513], IANA should limit its allocation of IPv6-unicast address space to the range of addresses that start with binary value
Status of IPv6 addresses IANA has
[RFC 4291] designates 2000::/3 to be global unicast address space that the Internet Assigned Numbers Authority (IANA) may allocate to the RIRs.
... IANA should limit its allocation of IPv6-unicast address space to the range of addresses that start with binary value 001. The rest of the global unicast
... IPv6 address space that leads to monopoly control or predatory practices must be avoided. The IANA will develop a plan for the initial IPv6 address allocation
... IANA for future allocation. 2001:0000::/23 IANA whois.iana.org ALLOCATED 2001:0000::/23 is reserved for IETF Protocol Assignments . 2001:0000::/32 is
IPv6 Anycast Address Allocations · IPv6 Multicast Address Allocations · IPv6 Sub-TLA Assignments (DEPRECATED); IANA IPv6 Special Registry · Bootstrap Service
The management of IPv6 address allocation process is delegated to the Internet Assigned Numbers Authority (IANA) by the Internet Architecture Board and the
IP Address Utilization. The chart below summarizes the utilization of IPv6 addresses RIRs have made to network operators. IPv4 is not represented as IANA's
1 IPv6 Aggregatable Global Unicast Addresses The IANA was given responsibility for all IPv6 address space by the IAB in [V6AA]. · 2 IPv6 Anycast Addresses IPv6