51.ru is tracked by us since May, 2012. Over the time it has been ranked as high as 976 199 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 51 168 position. It was owned by several entities, from LTD Interbussines to INTERNET TEHNOLOGII LLC, it was hosted by Chelyabinsk region agency for business support, INTERNET TECHNOLOGIES LLC and others. While was its first registrar, now it is moved to RU-CENTER-RU.

51 has a decent Google pagerank and bad results in terms of Yandex topical citation index. We found that 51.ru is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, 51.ru is quite a safe domain with mostly positive visitor reviews.