CoreSite Realty Corporation (CoreSite) is an integrated, self-administered and self-managed real estate investment trust. The Company, through its controlling interest in CoreSite, L.P., is engaged in the business of ownership, acquisition, construction and operation of data centers across a range of markets in the United States, including the Northern Virginia, New York and San Francisco Bay areas, Chicago, Los Angeles, Boston, Miami and Denver. The enterprises, network operators, cloud providers and supporting service providers choose CoreSite to connect and protect their data, applications and computing workloads. Its offerings include the CoreSite Open Cloud Exchange and the Any2 Internet Exchange. As of December 31, 2016, it had offered cloud-enabled, network data center campuses with over 20,000 interconnections across its portfolio and direct access to carriers and Internet service providers, cloud and information technology service providers, and inter site connectivity.