The American Registry for Internet Numbers (ARIN) is a nonprofit organization that manages IP address allocation and ASN distribution for North America.

Posts

ARIN Waiting List For IPv4 Still Over a Year in 2026

The ARIN waiting list for IPv4 will remain over a year long in 2026. Get more details on the recent distributions and future implications.
How to Report Reassignments in ARIN

How to Report Reassignments in ARIN

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How to report IPv4 and IPv6 reassignments in ARIN; requirements and step-by-step instructions for creating, editing, and deleting records.
Best Practices for ARIN IPv4 8.3 & 8.4 Transfer Requests

Best Practices for ARIN IPv4 8.3 & 8.4 Transfer Requests

Everything a source and recipient organization needs to know when participating in an ARIN IPv4 8.3 & 8.4 transfer request

Inverse Correlation Between IPv4 Pricing and Demand

58 million IPs were transferred in 2025. This 28% year-over-year increase, paired with a 33% price decrease, highlights an inverse correlation between demand and pricing
IPv4 Transfer Requests Hold Steady in November 2025

IPv4 Demand Refuses to Fade: A Market That Keeps Booming

ARIN IPv4 transfer requests totaled 150 in November 2025, signaling steady activity and buyer-friendly conditions in the IPv4 market
Reverse DNS rDNS Explained

Reverse DNS (rDNS) Explained

Reverse DNS, or rDNS, maps IP addresses to hostnames using PTR records. Learn how it works, why it matters, and how ARIN manages delegations
IPv4 Transfers Hold Strong in October

IPv4 Transfers Healthy in Anticipation of Broadband Builds

In October, ARIN recorded 147 IP transfer requests, only modestly lower than September’s 153 and on par with this year’s monthly average of around 148 per month.
ARIN Transfer Requests September 2025

IPv4 Prices Stable as Hyperscalers Step Back

IPv4 market demand remains strong with 153 transfers in September, maintaining momentum as hyperscalers take a step Back
brander group at arin 56

Meet Brander Group at ARIN 56 on October 29-31

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Join Brander Group and Meet Alex Morris at ARIN 56 on October 29–31, 2025, at the Loews Arlington in Texas
IPv4 Market Holds Steady as BEAD Uncertainty Lingers

IPv4 Market Remains Stable & Prices Stay Competitive

With 143 Transfer requests in Augsut, the IPv4 market has shown resilience, adaptability, and strength despite the dip to 115 requests in May