Nao.ac.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 45 799 in the world, while most of its traffic comes from Japan, where it reached as high as 2 659 position. Prc.nao.ac.jp receives less than 40.36% of its total traffic. It was owned by several entities, from National Astronomical Observatory to kobayashi hideyuki of National Astronomical Observatory, it was hosted by Japan Network Information Center.

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