Peter Stoyanov is the managing director and owner of Astra Paging Ltd. He established Astra Paging Ltd in 1997. The company has started development of software for the maritime industry in 2004 and developed the national AIS server and VTS database for Bulgarian Maritime Administration, the VTMIS monitoring systems in Bulgaria and the Netherlands, the implementation of AIS in the Naval and Coastguard surveillance systems. Astra Paging Ltd has started developping of its own AIS network and the provision of VT Explorer vessel tracking service in 2006. Since 2009 Astra Paging hosts the volunteer AIS sharing center AISHub.