> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/infra-controller/llms.txt.
> For full documentation content, see https://docs.nvidia.com/infra-controller/llms-full.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/infra-controller/_mcp/server.

# Subnet

Subnet is a network prefix belonging to an IP Block allocated to a Tenant. Tenant can use Subnets to enable network connectivity between their Instances.

Subnets are used on Sites that do not support Native Networking (FNN).

Deprecation history:

- `ipBlockSize` was deprecated in favor of `prefixLength` and was removed on April 15th, 2023 0:00 UTC. Please use `prefixLength` instead.