21Vianet Group, Inc. provides carrier and cloud-neutral Internet data center services to Internet companies, government entities, blue-chip enterprises, and small-to mid-sized enterprises in the People's Republic of China. The company operates in two segments, Hosting and Related Services, and Managed Network Services. It offers hosting and related services to house servers and networking equipment in its data centers, and connects them through a data transmission network. The company's hosting and related services include managed hosting services that offer data center space to house its customers' servers and networking equipment, and provide tailored server administration services; and interconnectivity services that enable customers to connect their servers with Internet backbones and other networks through its border gateway protocol network or single-line, dual-line, or multiple-line network. Its hosting and related services also comprise cloud services that enable businesses to