Siom.ac.cn is tracked by us since July, 2012. Over the time it has been ranked as high as 132 299 in the world, while most of its traffic comes from China, where it reached as high as 14 670 position. It was owned by several entities, from iquvwlikb43mf to 中国科学院上海光学精密机械研究所, it was hosted by Shanghai Institute of Optics and Fine Mechanics, CSTNET's IP and others. While was its first registrar, now it is moved to China NIC.

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