Querying the List of Subnet CIDR Reservations

Function

This API is used to query information about all subnet CIDR reservations, including the name and CIDR block.

Constraints

You can query all subnet CIDR reservations under your account. A maximum of 2,000 records can be returned for each query. If the number of records exceeds 2,000, the pagination marker will be returned.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.

If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
vpc:subnets:listReservations	List	subnet *	-	-	-
vpc:subnets:listReservations	List	-	g:EnterpriseProjectId	-	-

URI

GET /v3/{project_id}/vpc/virsubnet-cidr-reservations

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition: Project ID. For details about how to obtain a project ID, see Obtaining a Project ID. Range: N/A

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
limit	No	Integer	Definition: Number of resources on each page. Range: 0 to 2000
marker	No	String	Definition: Start resource ID of pagination query. If the parameter is left blank, only resources on the first page are queried. Range: ID of a subnet CIDR reservation.
id	No	Array of strings	Definition: ID of a subnet CIDR reservation. This parameter can be used to filter subnet CIDR reservations. Multiple IDs can be specified. Range: N/A
virsubnet_id	No	Array of strings	Definition: ID of the subnet that a subnet CIDR reservation belongs to. This parameter can be used to filter subnet CIDR reservations. Multiple IDs can be specified. Range: N/A
cidr	No	Array of strings	Definition: CIDR block of a subnet CIDR reservation. This parameter can be used to filter subnet CIDR reservations. Multiple CIDR blocks can be specified. Range: N/A
ip_version	No	Array of integers	Definition: IP address version of the subnet that a subnet CIDR reservation belongs to. This parameter can be used to filter subnet CIDR reservations. Multiple IP address versions can be specified. Range: 4: IPv4 subnet CIDR reservations are filtered. 6: IPv6 subnet CIDR reservations are filtered.
name	No	Array of strings	Definition: Name of the subnet CIDR reservation. This parameter can be used to filter subnet CIDR reservations. Multiple names can be specified. Range: N/A
description	No	Array of strings	Definition: Description of a subnet CIDR reservation. This parameter can be used to filter subnet CIDR reservations. Multiple descriptions can be specified. Range: N/A
enterprise_project_id	No	String	Definition: ID of the enterprise project that a subnet CIDR reservation belongs to. This parameter is used to filter subnet CIDR reservations of an enterprise project. Range: The value is 0 or a string that contains a maximum of 36 characters in UUID format with hyphens (-). 0 indicates the default enterprise project. To obtain the subnet CIDR reservations associated with all enterprise projects, specify all_granted_eps.

Request Parameters

None

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
virsubnet_cidr_reservations	Array of VirsubnetCidrReservation objects	Definition: Response body for querying the subnet CIDR reservations. Range: N/A
request_id	String	Definition: Request ID. Range: N/A
page_info	PageInfo object	Definition: Pagination information. Range: N/A

**Table 4** VirsubnetCidrReservation
Parameter	Type	Description
id	String	Definition: ID of a subnet CIDR reservation. Each subnet CIDR reservation comes with an ID, which uniquely identifies the subnet CIDR reservation. Range: The value is in UUID format with hyphens (-).
virsubnet_id	String	Definition: ID of the subnet that a subnet CIDR reservation belongs to. Range: The value is in UUID format with hyphens (-).
vpc_id	String	Definition: ID of the VPC that a subnet CIDR reservation belongs to. Range: The value is in UUID format with hyphens (-).
ip_version	Integer	Definition: IP address version of a subnet CIDR reservation. Range: 4: IPv4 6: IPv6
cidr	String	Definition: CIDR block of a subnet CIDR reservation. Range: The value is in CIDR block format. The minimum netmask value is the subnet netmask value plus 2, and the maximum netmask value is 32 (IPv4) or 128 (IPv6).
name	String	Definition: Name of the subnet CIDR reservation. Range: The value can contain 1 to 64 characters, including letters, digits, underscores (_), hyphens (-), and periods.
description	String	Definition: Description of a subnet CIDR reservation. Range: The value can contain 0 to 255 characters and cannot contain angle brackets (< or >).
project_id	String	Definition: ID of the project that a subnet CIDR reservation belongs to. Range: N/A
created_at	String	Definition: Time when a subnet CIDR reservation is created. Range: The value is a UTC time in the format of yyyy-MM-ddTHH:mm:ssZ.
updated_at	String	Definition: Time when the subnet CIDR reservation was last updated. Range: The value is a UTC time in the format of yyyy-MM-ddTHH:mm:ssZ.

**Table 5** PageInfo
Parameter	Type	Description
previous_marker	String	Definition: The first record on the current page. Range: N/A
current_count	Integer	Definition: Total number of resources on the current page. Range: N/A
next_marker	String	Definition: The last record on the current page. The next_marker field does not exist if the page is the last one. Range: N/A

Example Requests

Query the list of subnet CIDR reservations.

GET https://{Endpoint}/v3/{project_id}/vpc/virsubnet-cidr-reservations

Example Responses

Status code: 200

The GET operation is successful. For more status codes, see Status Codes.

{
    "virsubnet_cidr_reservations": [
        {
            "id": "987d7959-9c48-ad49-2fdd-bf4146d6ebc4",
            "virsubnet_id": "fb0e2bd6-190f-0d1a-7728-a5f6b1d8dd19",
            "vpc_id": "cef5d621-6c20-d5df-74e8-746271fba734",
            "ip_version": 4,
            "cidr": "192.168.21.96/28",
            "name": "test",
            "description": "for test",
            "project_id": "11e8dd119c77479db890e266e68c1ecf",
            "created_at": "2024-09-09T10:20:35Z",
            "updated_at": "2024-09-09T10:20:35Z",
        },
        {
            "id": "ed4edb94-754c-7848-bb77-2d381906c535",
            "virsubnet_id": "fb0e2bd6-190f-0d1a-7728-a5f6b1d8dd19",
            "vpc_id": "cef5d621-6c20-d5df-74e8-746271fba734",
            "ip_version": 4,
            "cidr": "192.168.21.128/27",
            "name": "test2",
            "description": "for test",
            "project_id": "11e8dd119c77479db890e266e68c1ecf",
            "created_at": "2024-09-09T11:56:27Z",
            "updated_at": "2024-09-09T11:56:27Z",
        }
    ],
    "page_info": {
        "previous_marker": "987d7959-9c48-ad49-2fdd-bf4146d6ebc4",
        "current_count": 2
    },
    "request_id": "5cd6bbc22313ccb6933540d6f9302d81"
}