Historical Statistics

Historical Annual Statistics By Month

Historical Statistics By Year

Below is information, aggregated by year, about highlighted historical statistics covering aspects of ARIN’s operations as an RIR.

1999 - 2023 IPv6 Address Issued and Requested (by category)

ARIN IPv6 Delegations and Requests 1999-2022

Data on the number of requests for IPv6 allocations prior to 2005 is not available.

ARIN began issuing IPv6 assignments in 2006 as a result of new number resource policy.

2012 - 2023 IPv6 Delegations in /32s

ARIN IPv6 Delegations in /32 Equivalents 2012-2022

1999 - 2023 IPv4 Address Space Issued and Requested

(by category) IPv4 Requests by Category 1999-2022

The ARIN IPv4 Free Pool Reached Zero on 24 September 2015.

2005 - 2023 Autonomous System Numbers Issued and Requested

AS Numbers Delegations and Requests 2005-2022

2002 - 2023 Transfers Requested

Transfer Types Requested 2002-2022

2002 - 2023 Transfer Tickets Processed

Transfer Ticket Types Processed 2002-2022

“Processed” here means the submitted tickets were closed, regardless of the final status of the request.

2016 - 2023 All In-Region IPv4 Transfers

Chart showing 8.2 and 8.3 transfers by /24s transferred Includes all IPv4 space transferred under NRPM 8.2 and 8.3, in /24s

2016 - 2023 Inter-RIR (8.4) Transfers to the ARIN Region

Chart showing /24s transferred to the ARIN region by year and source RIR Includes all IPv4 space transferred under NRPM 8.4 into the ARIN region from another RIR, in /24s

2016 - 2023 Inter-RIR (8.4) Transfers out of the ARIN Region

Chart showing /24s transferred out of the ARIN region by year and recipient RIR Includes all IPv4 space transferred under NRPM 8.4 out of the ARIN region to another RIR, in /24s