Memorial Day Closing Information

Posted: Thursday, 21 May 2026

The ARIN office will close early on Friday, 22 May, and be closed on Monday, 25 May, in observance of Memorial Day. On 22 May, the main office and Financial Services Help Desk will close at 3:00 PM ET and the Registration Services Help Desk will close at 3:30 PM ET. ARIN’s office will reopen with normal operating hours on Tuesday, 26 May.