K31.ru is tracked by us since February, 2014. Over the time it has been ranked as high as 107 699 in the world, while most of its traffic comes from Russian Federation, where it reached as high as 6 407 position. It was owned by several entities, from Closed Join Stock company Medical rehabilitation unit "Zdorovie Dlya Vas" to JSC "K + 31", it was hosted by TMK Telecom inf-1, Management Networks LLC and others.

K31 has a mediocre Google pagerank and bad results in terms of Yandex topical citation index. We found that K31.ru is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, K31.ru is quite a safe domain with no visitor reviews.