Ybook.co.jp is tracked by us since December, 2012. Over the time it has been ranked as high as 953 999 in the world, while most of its traffic comes from South Africa, where it reached as high as 46 878 position. It was owned by several entities, from Its use is ] Yokohama Publishers Inc. to Takahashi Toshi of Yokohama Publishers Inc., it was hosted by Yahoo Japan Corporation, SAKURA Internet Inc. and others. While was its first registrar, now it is moved to Japan Registry Services.

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