Air21.net is tracked by us since February, 2013. Over the time it has been ranked as high as 1 113 899 in the world, while most of its traffic comes from Japan, where it reached as high as 76 363 position. All this time it was owned by Masanobu Tamura of personal, it was hosted by Japan Network Information Center, XSERVER Inc. and others. While GMO Internet Inc. d/b/a Onamae.com was its first registrar, now it is moved to GMO Internet Group Inc. d/b/a Onamae.com.

Air21 has a mediocre Google pagerank and bad results in terms of Yandex topical citation index. We found that Air21.net is poorly ‘socialized’ in respect to any social network. According to Siteadvisor and Google safe browsing analytics, Air21.net is quite a safe domain with no visitor reviews.