F139.com is tracked by us since April, 2011. Over the time it has been ranked as high as 117 599 in the world, while most of its traffic comes from China, where it reached as high as 29 862 position. It was owned by several entities, from Shanghai Hao Yu Software Information Technology Co. Ltd FUBAO DATA to Shanghai Hao Yu Software Information Technology Co. Ltd of Shanghai Hao Yu Software Information Technology Co. Ltd, it was hosted by CHINANET shanghai province network, Alibaba (US) Technology Co. Ltd. and others. While was its first registrar, now it is moved to Leascend Technology Co. Ltd..

F139 has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that F139.com is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, F139.com is quite a safe domain with no visitor reviews.