21Vianet, which began operating in 1999, is China's largest carrier-neutral Internet data center services provider by revenue, according to International Data Corp. It operates 47 data centers in 33 cities throughout China and serves more than 1,300 customers.
It hosts its customers' computer servers and networking equipment in its data centers, keeps them connected to the Internet, and manages their networks. As a carrier-neutral center, customers can connect with Internet networks operated by a variety of telecom and other companies, and 21Vianet uses its own technology to pick the best route.

It hosts its customers' computer servers and networking equipment in its data centers, keeps them connected to the Internet, and manages their networks. As a carrier-neutral center, customers can connect with Internet networks operated by a variety of telecom and other companies, and 21Vianet uses its own technology to pick the best route.




