Ultrabooker.jp is tracked by us since May, 2012. Over the time it has been ranked as high as 302 999 in the world, while most of its traffic comes from Japan, where it reached as high as 15 098 position. It was owned by several entities, from GMO Internet Inc. to ultrabooker.jp, it was hosted by Dreamwave Shizuoka Co. Ltd., XSERVER Inc. and others.

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