As reported on theRu-Centerwebsite , since February 27, 2008, in accordance with the law, domain owners have been able to hide personal data in the Whois-service.
The service is free. It can be used by the owners of the .RU and .SU domains - individuals and individual entrepreneurs.
You can set the value of “Private person” in the section “For customers” → “Services” → “View and change data” → “Information in Whois”.