American Registry for Internet Numbers Ltd
Public records raise at least one point you should look into before giving.
What it says it does
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.
- Income
- $31.7 million
- Spending
- $31.9 million
- Employees
- 108
- Volunteers
- 32
- Highest pay
- $685,636, president and ceo
Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. How we rate
Financial health
We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.
Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. How we rate
Governance
This return does not answer enough of the governance questions to score.
Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. How we rate
Impact evidence
Describes programs. Its tax return describes what it does but we have found no measurable results in it.
Programs described in its return (3)
- ESTABLISHED IN DECEMBER 1997, THE AMERICAN REGISTRY FOR INTERNET NUMBERS (ARIN) IS A REGIONAL INTERNET REGISTRY (RIR) INCORPORATED IN THE COMMONWEALTH OF VIRGINIA, USA. ARIN, A NONPROFIT ORGANIZATION, PROVIDES SERVICES RELATED TO THE TECHNICAL COORDINATION AND MANAGEMENT OF INTERNET NUMBER RESOURCES IN ITS RESPECTIVE SERVICE REGION. STAKEHOLDERS IN THE COMMUNITY DRIVE POLICIES AND ACTIVITIES. ARIN PROMOTES THE COMMON BUSINESS INTERESTS OF ITS MEMBERS BY OVERSEEING THE INTERNET PROTOCOL (IP) ADDRESS REGISTRATION PROCESS SO AS TO PROMOTE MORE EFFICIENT USE OF THE INTERNET BY ITS MEMBERS AND OTHER INTERESTED USERS AND THEREBY PROMOTE THE EFFICIENCY OF THE BUSINESS OPERATIONS OF EACH.
- REGISTRATION SERVICES INCLUDES COORDINATION AND MANAGEMENT OF IP ADDRESS SPACE AND ASN ALLOCATIONS AND ASSIGNMENTS, RESOURCE TRANSFERS, RECORD MAINTENANCE, REGISTRATION TRANSACTION INFORMATION (WHOIS), ROUTING INFORMATION (INTERNET ROUTING REGISTRY), AND REVERSE DNS. ARIN ALLOCATES AND ASSIGNS INTERNET NUMBER RESOURCES TO INTERNET SERVICE PROVIDERS AND END USERS WITHIN ITS SERVICE REGION.
- IP NUMBER MANAGEMENT - ARIN IS TASKED WITH THE MANAGEMENT OF IP ADDRESS SPACE, AUTONOMOUS SYSTEM NUMBERS, AND IN-ADDR ARPA ADDRESS MAPPING, AS WELL AS DATABASE MAINTENANCE AND VERIFICATION OF REASSIGNMENT INFORMATION. ARIN ALSO PROMOTES THE CONSERVATION OF INTERNET PROTOCOL RESOURCES AND DISTRIBUTES GLOBALLY UNIQUE INTERNET ADDRESSES IN A HIERARCHICAL MANNER, PERMITTING THE ROUTING SCALABILITY OF ADDRESSES, WHICH IS NECESSARY TO ENSURE PROPER OPERATION OF INTERNET ROUTING.
Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. How we rate
Legitimacy checks
Is it registered with the IRS? Passed.
Listed in the IRS master file of tax-exempt organizations as a 501(c)(6) business league.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Has the IRS revoked its tax-exempt status? Passed.
Not on the IRS automatic revocation list.
Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.
Are donations tax-deductible? Caution.
The IRS master file records contributions to this 501(c)(6) business league as not deductible.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it keeping up with its IRS filings? Passed.
Most recent return on file covers the year ending December 2025.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since December 1997.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it in good standing with state regulators? Passed.
Not on California's list of charities barred from soliciting. Other states are not yet checked.
Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.
Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.