Coordination Center for TLD RU performs naming authority function under RU since 2002, including domain registration policy development, accrediting registrars and investigation of perspective projects for RU top-level domain.

ISOC-BG Internet Society - Bulgaria® is a non-governmental organization (NGO), founded on Dec. 4, 1995 in Sofia by a group of Bulgarian Internet professionals.

Register.BG is the registry of the .BG top-level domain.


RU-CENTER (Regional Network Information Center) is accredited registrar in the RU, SU, NET, COM, ORG, BIZ, INFO TLDs. RU-CENTER was founded in 2000 for the purposes of rendering services on assignment of address space.

With the participation of:

ICANN (Internet Corporation for Assigned Names and Numbers) was formed in 1998. It is a not-for-profit partnership of people from all over the world dedicated to keeping the Internet secure, stable and interoperable. It promotes competition and develops policy on the Internet’s unique identifiers.