Masa.go.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 786 899 in the world, while most of its traffic comes from Japan, where it reached as high as 89 099 position. It was owned by several entities, from National Sanatorium Nishi-Niigata Chuo Hospital National Sanatorium Nishi-Niigata Chuo Hospital to Imaki Seiichi of National Sanatorium Nishiniigata Chuo Hospital, it was hosted by National Nishi-Niigata Central Hospital, National Hospital Organization Nishi-Niigata Central Hospital and others.

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