Ssk21.co.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 273 897 in the world, while most of its traffic comes from Japan, where it reached as high as 34 258 position. It was owned by several entities, from Japan Research Institute for New Systems of Society to Odanaka Hisatoshi of Japan Research Institute for New Systems of Society, it was hosted by Japan Research Institute for New Systems of Society, Server Hosting Service(NTTPCCommunicationsInc.) and others.

Ssk21 has a decent Google pagerank and bad results in terms of Yandex topical citation index. We found that Ssk21.co.jp is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Ssk21.co.jp is quite a safe domain with no visitor reviews.