Umin.ne.jp is tracked by us since April, 2011. Over the time it has been ranked as high as 183 299 in the world, while most of its traffic comes from Japan, where it reached as high as 11 451 position. All this time it was owned by Kiuchi Takahiro of University Hospital Medical Information Network Center, it was hosted by Asia Pacific Network Information Centre and University of Tokyo.

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