Spb.ru is tracked by us since July, 2012. Over the time it has been ranked as high as 4 947 599 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 968 850 position. Master-class.spb.ru receives less than 1% of its total traffic. It was owned by several entities, from JSC 'RU-CENTER' to Foundation for Assistance for Internet Technologies and Infrastructure Development, it was hosted by RIPE Network Coordination Centre, ServTech LLC and others.

Master-class.spb has a mediocre Google pagerank and bad results in terms of Yandex topical citation index. We found that Master-class.spb.ru is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Master-class.spb.ru is a fully trustworthy domain with no visitor reviews.