Johokan.jp is tracked by us since July, 2012. Over the time it has been ranked as high as 717 899 in the world, while most of its traffic comes from Japan, where it reached as high as 174 267 position. All this time it was owned by Australia Ryugaku Johokan, it was hosted by Radiation Effects Research Foundation, XSERVER Inc. and others.

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