A logical subdivision of a VCN. Each subnet consists of a contiguous range of IP addresses that do not overlap with other subnets in the VCN. Example: 172.16.1.0/24. For more information, see Overview of the Networking Service and VCNs and Subnets.
To use any of the API operations, you must be authorized in an IAM policy. If you're not authorized, talk to an administrator. If you're an administrator who needs to write policies to give users access, see Getting Started with Policies.