# KnownNetworkIdentifiers

- Kind: `class`
- Package: [Aspire.Hosting](/reference/api/csharp/aspire.hosting.md)
- Version: `13.3.0`
- Namespace: `Aspire.Hosting.ApplicationModel`
- Target framework: `net8.0`
- Source: [GitHub](https://github.com/microsoft/aspire/blob/bd20f904cde09ecb9c9ae5116a6f13614bf2d7c2/src/Aspire.Hosting/ApplicationModel/Network.cs)

Provides known network identifiers for use within the Aspire application model API.

## Definition

```csharp
namespace Aspire.Hosting.ApplicationModel;

public static class KnownNetworkIdentifiers
{
    // ...
}
```

## Fields

- [DefaultAspireContainerNetwork](/reference/api/csharp/aspire.hosting/knownnetworkidentifiers/fields.md#defaultaspirecontainernetwork) : [NetworkIdentifier](/reference/api/csharp/aspire.hosting/networkidentifier.md) `static` -- Represents Aspire default, auto-created container network resource (not actual Docker/Podman network).
- [LocalhostNetwork](/reference/api/csharp/aspire.hosting/knownnetworkidentifiers/fields.md#localhostnetwork) : [NetworkIdentifier](/reference/api/csharp/aspire.hosting/networkidentifier.md) `static` -- The network associated with the IP loopback interface (localhost).
- [PublicInternet](/reference/api/csharp/aspire.hosting/knownnetworkidentifiers/fields.md#publicinternet) : [NetworkIdentifier](/reference/api/csharp/aspire.hosting/networkidentifier.md) `static` -- Represents public Internet (globally routable).