Certified Ethical Hacker (CEH) Practice Exam 2026 – Your All-in-One Guide to Exam Success!

RIR stands for Regional Internet Registry, which is a key organization responsible for the allocation and management of Internet Protocol (IP) address space and Autonomous System Numbers (ASNs) within a specific region. These registries play a crucial role in ensuring that the distribution of these resources is conducted in an equitable and efficient manner.

RIRs facilitate the coordination of IP address assignments to internet service providers and organizations within their designated geographic area, helping to maintain order and organization in a growing network of users. They also support global policy development regarding addresses and contribute to IPv4 and IPv6 address management.

The other options do not accurately represent the commonly accepted terminology used in the field of internet resource management. For instance, Resource Internet Registry and Registered Internet Resource imply a broader or incorrectly focused scope, while Regional Information Resource diverges from the recognized function of managing IP addresses and ASNs. Thus, the term Regional Internet Registry precisely encapsulates the established role and function of these entities within the internet infrastructure.