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A Virtual Private Cloud (VPC) is a logically isolated network on Tencent Cloud where you deploy your resources. VPC networking is essential for building secure, well-architected applications.
A VPC provides:
When creating a VPC, you define a CIDR block:
| CIDR Block | Usable IPs | Common Use |
|---|---|---|
| 10.0.0.0/8 | ~16 million | Large environments |
| 172.16.0.0/12 | ~1 million | Medium environments |
| 192.168.0.0/16 | ~65,000 | Small environments |
A VPC supports one primary CIDR and can add secondary CIDR blocks for expansion.
A subnet is a range of IP addresses within a VPC:
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