21Vianet
Carrier-neutral data center and cloud services in China, including Microsoft 365 and Azure operated by 21Vianet.
Used as a subprocessor by 2 companies →
Subprocessors (6)
List updated Mar 13, 2023 · Checked Oct 27, 2026 · source disclosure ↗
| vendor | purpose | evidence |
|---|---|---|
| | — Personal Data Subprocessors | “Beijing Baidu Netcom Science Technology Co., Ltd. China” |
| | — Personal Data Subprocessors | “Guizhou BaishanCloud Technology Co., Ltd. China” |
| | — Personal Data Subprocessors | “Beijing Kingsoft Cloud Network Technology Co., Ltd. China” |
| | — Personal Data Subprocessors | “Tencent Cloud Computing(China) Co., Ltd. China” |
| | — Personal Data Subprocessors | “TXNetworks Beijing Co., Ltd. China” |
| | Customer and technical support; operations and service maintenance Core Online Services Subprocessors | “Microsoft (China) Co., Ltd. China Customer and Technical Support Operations and Service Maintenance” |
- BaiduChina
Purpose not stated
“Beijing Baidu Netcom Science Technology Co., Ltd. China”
- BaishanCloudChina
Purpose not stated
“Guizhou BaishanCloud Technology Co., Ltd. China”
- Kingsoft CloudChina
Purpose not stated
“Beijing Kingsoft Cloud Network Technology Co., Ltd. China”
- Tencent CloudChina
Purpose not stated
“Tencent Cloud Computing(China) Co., Ltd. China”
- TXNetworksChina
Purpose not stated
“TXNetworks Beijing Co., Ltd. China”
- MicrosoftChina
Customer and technical support; operations and service maintenance
“Microsoft (China) Co., Ltd. China Customer and Technical Support Operations and Service Maintenance”