VNET Group, Inc. is an investment holding company that provides data center hosting and related services in China. Its offerings include managed hosting such as colocation, interconnectivity, and value-added services, as well as cloud and VPN services. The company also provides server administration services. It serves IT and cloud services, communications and social networking, gaming and entertainment, e-commerce, automobile, financial services, and blue-chip and small-to-mid-sized enterprises, government agencies, individuals, and telecommunication carriers. Formerly known as 21Vianet Group, Inc., it changed its name to VNET Group, Inc. in October 2021. Founded in 1996, it is headquartered in Beijing, China.