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ARIN is a nonprofit, member-based organization that administers IP addresses & ASNs in support of the operation and growth of the Internet.
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Announcements
Elections
Call for Nominations Extended for Number Resource Organization Number Council
Tue, 01 Jul 2025Service Update
Change to Role Point of Contact Linking Process – Effective Immediately
Thu, 03 Jul 2025Service Update
Autonomous System Originations (Origin AS) Will Be Retired on 28 July
Mon, 30 Jun 2025Events
Education. Policy. Discussion. ARIN Meetings and Events are an important part of our open, transparent, bottom-up processes.
| Event | Location | Date |
|---|---|---|
| ARIN 56 | Arlington, Texas | 30–31 October 2025 |
| ARIN 57 | Louisville, Kentucky | 19–22 April 2026 |
| ARIN 58 | Miami, Florida | 22–23 October 2026 |
| ARIN 59 | Cleveland, Ohio | 11–14 April 2027 |
| » View all | ||
Recent Blog Posts
Visit ARIN’s blog homepage for more.
The State of IPv6 in the Caribbean
In preparation for our participation at CANTO 2025, it's time for our annual update on who’s leading the charge for IPv6 adoption in the Caribbean, featuring new leaders and new lessons emerging from this year’s data.
ARIN Bits: June 2025
The summer edition of ARIN Bits rolls in with a sizeable wave of updates on our busy second quarter and what to expect in the rest of the year. Read up on new training opportunities and enhanced services, along with ARIN Elections details, the 2024 Annual Report, upcoming industry events and Caribbean outreach, and much more.
Understanding Customer Delegation Actions in the ARIN Registry
While the three types of customer delegation actions that ARIN supports — Simple Reassignments, Detailed Reassignments, and Reallocations — may seem similar, each method has distinct purposes and limitations. We break down what each action means, how it’s used, and what rights and responsibilities come with it.