Bt21.com is tracked by us since October, 2017. Over the time it has been ranked as high as 60 699 in the world, while most of its traffic comes from USA, where it reached as high as 30 456 position. It was owned by several entities, from LINE FRIENDS Corp. of LINE FRIENDS Corp. to IPX of IPX, it was hosted by NBP, LINE Corporation and others.

Bt21 has the lowest Google pagerank and bad results in terms of Yandex topical citation index. We found that Bt21.com is poorly ‘socialized’ in respect to any social network. According to Google safe browsing analytics, Bt21.com is quite a safe domain with no visitor reviews.