Indian Registry for Internet Names and Numbers (IRINN) in India that provides allocation and registration services of IP addresses and AS numbers, and contributes to the society by providing Internet-related information as a non-profit, affiliation-based organisation, and performing research, education and enlightenment activities.

Govt. of India, Department of Electronics & Information Technology endorsed the operations of National Internet Registry (NIR) to National Internet Exchange of India (NIXI). NIR is an entity under the umbrella of a Regional Internet Registry (RIR) which is Asia Pacific Network Information centre (APNIC). NIR is entrusted with the task of coordinating IP Address allocation with other Internet resource management function at national level in the country. NIXI was recognized by APNIC in March 2012 to become the NIR for the country. The NIR has been named as Indian Registry for Internet Names and Numbers (IRINN). Collective efforts of NIXI and ISPAI have led to the formation of IRINN in the country.

IRINN is a division functioning under NIXI and provides allocation and registration services of Internet Protocol addresses (IPv4 & IPv6) and Autonomous System numbers to its Affiliates .It is a not-for-profit, Affiliates based entity, with the primary goal of allocation of Internet resources to its Affiliates.