Last updated: 2020-04-02 16:15:35

Use Limits

  • The IP ranges of VPC instances and subnets cannot be modified after creation.
  • For each subnet, Tencent Cloud reserves its first two IP addresses and the last IP address for IP networking. For example, if the subnet CIDR block is,,, and are reserved by Tencent Cloud.
  • When you add a CVM to a VPC, the system randomly assigns a private IP address to this instance within the specified subnet. After creating CVMs, you can reassign the private IP address for each CVM.
  • A CVM in a VPC can be bound to one private IP address and one public IP address.

Quota Limits

Resource Limit
Number of VPC instances per region for each account 5
Number of subnets per VPC 10

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