21vianet.com is tracked by us since April, 2011. Over the time it has been ranked as high as 56 999 in the world, while most of its traffic comes from China, where it reached as high as 7 089 position. It was owned by several entities, from Zhan Mo of 21 ViaNet (China) Inc. to Yuan Lin of Shi Ji Hu Lian Shu Ju Zhong Xin You Xian Gong Si, it was hosted by China Unicom Beijing province network, 21ViaNet(China)Inc. and others. While HICHINA ZHICHENG TECHNOLOGY LTD. was its first registrar, now it is moved to Alibaba Cloud Computing (Beijing) Co. Ltd..

21vianet has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that 21vianet.com is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, 21vianet.com is quite a safe domain with no visitor reviews.