Astrill VPN used to one of the most popular VPN providers in China. Probably because of this, apparently it has become a target for blocking. As a result, The main domain astrill.com is not accessible from China at this moment. But users can access their website using an alternative domain name: getastrill.com. Astrill has servers in a large number of countries and offers three major connection types: OpenWeb, OpenVPN and StealthVPN. OpenWeb is for web browsing only.