Ctta.org is tracked by us since September, 2013. Over the time it has been ranked as high as 557 399 in the world, while most of its traffic comes from China, where it reached as high as 33 588 position. It was owned by several entities, from ChineseTaipeiTunnelling Association of ChineseTaipeiTunnelling Association to Chinese Taipei Tunnelling Association of Chinese Taipei Tunnelling Association, it was hosted by Data Communication Business Group, Taiwan Fixed Network CO.LTD. and others.

Ctta has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Ctta.org is poorly ‘socialized’ in respect to any social network. According to Google safe browsing analytics, Ctta.org is quite a safe domain with mostly negative visitor reviews.