American Registry for Internet Numbers

Foundation · Grantmaker Centreville, VA EIN: 54-1860956 Website

ARIN, A NONPROFIT MEMBER-BASED ORGANIZATION, SUPPORTS THE OPERATION OF THE INTERNET THROUGH THE MANAGEMENT OF INTERNET NUMBER RESOURCES THROUGHOUT ITS SERVICE REGION; COORDINATES THE DEVELOPMENT OF POLICIES BY THE COMMUNITY FOR THE MANAGEMENT OF INTERNET PROTOCOL NUMBER RESOURCES; AND ADVANCES THE INTERNET THROUGH INFORMATIONAL OUTREACH.

Key facts about American Registry for Internet Numbers

EIN: 54-1860956
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $20,000
Grants made (2024): 1
Average grant: $20,000
Median grant: $20,000
Total assets: $45,236,043
Primary geography: Virginia (100% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

How American Registry for Internet Numbers gives

Giving grew 33% from 2021 to 2024. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Next steps with American Registry for Internet Numbers

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Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$45.2M

+0.3% YoY

Annual Giving

$20K

-57.4% YoY

Grant Count

-66.7% YoY

Avg Grant Size

$20K

+27.7% YoY

About American Registry for Internet Numbers

Based on IRS filings

American Registry for Internet Numbers is a nonprofit organization, based in Centreville, VA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $45.2M in total assets. In 2024, it awarded 1 grant totaling $20K. Net investment income was $962K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

Virginia $20K (100%)

Share of all 1 itemized 2024 grant dollars.

States

District of Columbia Indiana Michigan Nevada Oregon Virginia Wisconsin

Cities

TalentWashingtonAnn ArborIndianapolisMadisonRestonSilver SpringsVirginia Beach

Financial History

Multi-year comparison from IRS filings

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$45,236,043	$45,084,818	$42,788,821
Revenue	$29,435,380	$28,777,990	$25,380,037
Expenses	$29,950,624	$29,946,085	$26,066,640
Qualifying Distributions	—	—	—
Net Investment Income	$962,170	$831,793	$903,009
Distributable Amount	—	—	—

Data update history

When this profile's IRS filing data changed on Grantable

March 1, 2026 IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 1 recipients in 2024

Grant Size Distribution

10 grants across all recorded years

Open Grants

2 open opportunities from American Registry for Internet Numbers

Foundation

ARIN Community Grant Program

American Registry for Internet Numbers

Amount

~$16,000-$20,000 (recent recipients)

Deadline

Rolling / Open

Foundation

ARIN Fellowship Program

American Registry for Internet Numbers

Amount

Varies

Deadline

Rolling / Open

Annual

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Internet Society ($20,000).

Recipient	Purpose	Amount
INTERNET SOCIETY Reston, VA	OPERATIONAL SUPPORT	$20,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

Name	Title	Hours	Compensation
John Curran	President and CEO	40	$617,621
Bill Sandiford	Chair	15	—
Tina Morris	Vice Chair	4	—
Nancy Carter	Treasurer	10	—
Peter Harrison	Board Trustee	10	—
Robert Seastrom	Board Trustee	10	—
Hank Kilmer	Board Trustee	8	—
Dan Alexander	Board Trustee	6	—
Chris Tacit	Board Trustee	7	—
Richard Jimmerson	COO	40	$418,371
Brian Kirk	CFO	40	$401,282
Michael Abejuela	General Counsel	40	$369,155
John Sweeting	Cxo	40	$364,462
Erin Alligood	Chro	40	$338,220
Mark Kosters	CTO	40	$343,913
Reginald Forster	Director, Operations	40	$269,309
Einar Bohlin	VP, Govt Affairs	40	$298,383
Robert Christian Johnson	Ciso	40	$282,560
Garth Dubin	Director, Software Engineering	40	$269,180
Peter Toscano	Director, Iss	40	$263,326
Debra Martin	Director, Eng Program Management	40	$262,883

Frequently Asked Questions

How large is American Registry for Internet Numbers?

As of 2024, American Registry for Internet Numbers holds $45.2M in total assets with $29.4M in annual revenue. It awarded 1 grant totaling $20K in 2024.

Where does American Registry for Internet Numbers operate?

American Registry for Internet Numbers has awarded grants in District of Columbia, Indiana, Michigan, Nevada, Oregon, Virginia, Wisconsin.

What size grants does American Registry for Internet Numbers award?

In 2024, American Registry for Internet Numbers awarded 1 grant totaling $20K — an average of about $20K per grant, based on its IRS Form 990 filings.

What is American Registry for Internet Numbers's EIN?

American Registry for Internet Numbers's EIN (Employer Identification Number) is 54-1860956. IRS Form 990 filing data is available on this page for 2020–2024.