ROSNIIROS (RIPN) (Russian Scientific Research Institute for the Development of Public Networks). ROSNIIROS is concerned with the creation and implementation of telecommunications technologies and the development of the Russian part of the internet.

RU-CENTREis the organisation responsible for issuing domain names within the top-level .ru geographical domain.

RIPE(Reseaux IP Europeens) is an open society of organisations and private individuals that coordinate the European IP network.

ICANN(The Internet Corporation for Assigned Names and Numbers). is a not-for-profit organisation that coordinates the allocation of IP addresses and autonomous system numbers.

IANA(Internet Assign Numbers Authority). is the international coordinating authority for distributing domain names.