551.cn is tracked by us since April, 2011. Over the time it has been ranked as high as 1 594 499 in the world, while most of its traffic comes from USA, where it reached as high as 1 146 745 position. All this time it was owned by 陈彤, it was hosted by World Crossing Telecom(GuangZhou) Ltd..

551 has a decent Google pagerank and bad results in terms of Yandex topical citation index. We found that 551.cn is poorly ‘socialized’ in respect to any social network. According to Google safe browsing analytics, 551.cn is quite a safe domain with no visitor reviews.