Updated September 28, 2026 · DeployCue Editorial Team
21Vianet vs A2 Hosting
Compare 21Vianet and A2 Hosting using recorded catalog facts and pricing.
Where 21Vianet and A2 Hosting differ
| Fact | 21Vianet | A2 Hosting |
|---|---|---|
| Locations | 50Higher | 10 |
| Billing models | Not confirmed | Monthly |
| Regions | CN | Not confirmed |
| SLA uptime | Not confirmed | 99.9% |
| Compliance certifications | ISO 9002, ISO 27001, ISO 20000, ISO 50001, Uptime Tier III+ | Not confirmed |
| Operating systems | Not confirmed | Linux |
Same on both: Server types (VPS).
Key differences
- Locations is higher at 21Vianet: 50 vs 10.
- Support channels: only A2 Hosting offers Chat.
Score breakdown
| Area | 21Vianet | A2 Hosting |
|---|---|---|
| Offer | 8.90 | 9.10HigherMonthly monthly billing, 10 locations, 99.9% uptime and email, chat and phone support, with no hourly or reserved term. |
| Trust | 9.50Higher | 8.60 |
Where each is licensed and available
| Country | 21Vianet | A2 Hosting |
|---|---|---|
| Headquarters | China | Not confirmed |
Winner by area
21Vianet
- Offer8.9
- Trust9.5
A2 Hosting
- Offer9.1
- Trust8.6
- No winner on offer: both score 8.9.
- 21Vianet edges A2 Hosting on trust, 9.5 to 8.6.
Every fact side by side
| Fact | 21Vianet | A2 Hosting |
|---|---|---|
| Legal entity | Beijing VNET Broadband Data Center Co., Ltd. | Not confirmed |
| Headquarters | China | Not confirmed |
| Founded | 1996 | Not confirmed |
| Support channels | Email, Phone | Email, Chat, PhoneCovers more |
Country by country
| Country | 21Vianet | A2 Hosting |
|---|---|---|
| China | Yes | No |
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