ARIN
ARIN
Hacker Definition
See American Registry for Internet Numbers.
ARIN (American Registry for Internet Numbers)
Telecom Definition
The Regional Internet Registry (RIR) responsible for assigning Internet Protocol (IP) addresses variously to National Internet Registries (NIRs) or directly to Local Internet Registries (LIRs) in Canada, many Caribbean and North Atlantic islands, and the United States. See also IP, IP address, LIR, NIR, and RIR.
