Blog

A Launchpad for Engagement: An ARIN Fellowship Program Experience

A Launchpad for Engagement: An ARIN Fellowship Program Experience

 • Bertnell A. Malisa Richards

Get an in-depth look at the ARIN Fellowship Program from a member of the fall 2025 cohort who participated in the ARIN 56 meeting and the preceding NANOG 95 conference.

Read more


Introducing a More Secure, Streamlined Workflow for Point of Contact Linking

Introducing a More Secure, Streamlined Workflow for Point of Contact Linking

 • Joe Westover

Our January 2026 software release will bring POC linking activity into ARIN Online’s authenticated environment. Learn why we’re changing the process, what the new workflow will entail, and what you should do now to prepare for this change.

Read more

Apply Today for the ARIN 57 Fellowship Program

Apply Today for the ARIN 57 Fellowship Program

 • Amanda Gauldin

The call for applications to our ARIN 57 Fellowship Program is out, and Senior Project Manager Amanda Gauldin shares more about what you can expect in this program, why you should consider applying, and what past Fellows have to say about the experience.

Read more

Grant Report: Measuring Internet Abuse via IP Addresses

Grant Report: Measuring Internet Abuse via IP Addresses

 • Carolina Caeiro

The DNS Research Federation received an ARIN Community Grant in 2024 to investigate the role of IP addresses in malware and phishing attacks. Project Lead Carolina Caeiro reports on the project's outcomes and impact.

Read more

ARIN Reaffirms Regional Support at the Connected Caribbean Summit 2025

ARIN Reaffirms Regional Support at the Connected Caribbean Summit 2025

 • Christina Paladeau

Each December, the Connected Caribbean Summit (CCS) brings together leaders working at the intersection of policy, technology, and regional development. In 2025, ARIN helped anchor key discussions alongside more than 300 regional and international stakeholders at the largest CCS to date.

Read more

What Is More Energy-Efficient: IPv4 or IPv6?

What Is More Energy-Efficient: IPv4 or IPv6?

 • Vincentas Grinius

IPXO Co-founder Vincentas Grinius examines how IPv4 and IPv6 influence power usage to support decisions about building a more sustainable Internet.

Read more

ARIN Bits: December 2025

ARIN Bits: December 2025

 • Christina Paladeau

As we count down to the new year and winter takes hold, we've bundled up our last ARIN Bits of 2025! In this round up we share important updates from this past quarter and details about upcoming events.

Read more

NRO RPKI Program — 2025 in Review

NRO RPKI Program — 2025 in Review

 • Sofía Silva Berenguer

2025 is coming to an end, and we want to pause to reflect on our achievements this year as part of the NRO RPKI Program.

Read more

ARIN's 2025 Holiday Food and Toy Drives Bring Joy to Local Families

ARIN's 2025 Holiday Food and Toy Drives Bring Joy to Local Families

 • Christina Paladeau

This holiday season, ARIN organized a food drive in support of local food pantries and a toy drive in support of Northern Virginia Family Service, building on last year's successful relaunch of our holiday giving tradition.

Read more

MORE BLOGS