Which operator has the code 8 952?

There are only 3 largest operators in our country. Probably, almost every person knows what kind of telecom operators they are. But there are not such large companies providing cellular communication services. For example, telecom operator Tele2. Code 8 952 belongs to various Russian operators. For example, in some regions of Russia this code is used by the Tele2 operator, and in some regions this code is used by Rostelecom. Tula region, Tver region, St. Petersburg and Leningrad region, Voronezh region, Kemerovo, Penza and Tomsk regions - in all these areas the code 8 952 is used by the telecom operator Tele2. In some regions of Russia, code 8 952 is used by smaller cellular operators. Code 8 952 is used by many Russian cellular operators. But in most regions this code belongs to to Tele2 operator.