Operator Vimpelcom, owned by Veon, registered a website check-fast.ru, which offers to "check" people by phone number. The site's database contains 150 million numbers, which can be used to check the reliability of a seller or buyer from Avito or other sites, to find out about their criminal record and overdue credit debts. One number check costs ₽99, a package of 10 requests costs ₽479, a month of use costs ₽699.