AssignIpv6CidrBlock

Last Updated At: 2026-08-02 00:06:20

1. Interface Description

Interface request domain name: vpc.api3.convergecloud.com.

This API is used to allocate IPv6 IP ranges.

  • Before using this API, you need to have an existing VPC instance. If you do not have one, you can create it using the API CreateVpc.
  • Each VPC can only request one IPv6 IP range.

Default interface request rate limit: 20 times per second.

Interface update time: 2025-04-30 17:00:18.

The interface is both signature verification and authentication.

2. Input Parameters

The following list of request parameters only lists interface request parameters and some public parameters, For a complete list of public parameters see public request parameters.

Parameter name Required Allow NULL Type Description
Action Yes No String Public parameter, The value of this interface: AssignIpv6CidrBlock
Version Yes No String Public parameter, The value of this interface: 2017-03-12
Region No No String Public parameter,Regional information A list of supported geographies is available through the DescribeRegions interface
VpcId Yes No String VPC instance ID, e.g., vpc-f49l6u0z.
Example: vpc-f49l6u0z
AddressType No No String IP range type. 0: GUA, 1: ULA. 0 by default.
Example: "GUA"
Ipv6CidrBlock No No String Ipv6Cidr can be specified only when AddressType is set to an IPv6 CIDR of GUA. For example: 3402:4e00:20:1000::/56.
Example: 2001:db8:1a:8000::/56

3. Output Parameters

Parameter name Type Description
Ipv6CidrBlock String Allocated IPv6 IP ranges, e.g., 3402:4e00:20:1000::/56
Example: 3402:4e00:20:1000::/56
IpAddressType String IP address type. IPv4: v4 type; IPv6: v6 type.
Example: IPv4/IPv6
ISPType String ISP type of the IPv6 CIDR block. Valid values: 'BGP' (default type), 'CMCC', 'CTCC', and 'CUCC'.
Example: BGP
AddressType String Requested IPv6 CIDR type. Valid values: GUA; ULA.
Example: GUA
RequestId String Unique request id, Each request will return. The RequestId of the request needs to be provided when locating the problem.

4. Error Code

The following lists only the error codes related to the interface business logic, For other error codes, see public ErrorCode.

Error Code Description
LimitExceeded.CidrBlock The number of IP ranges allocated to the VPC has reached the upper limit.
InvalidParameterValue.Malformed Invalid input format.
ResourceInsufficient.CidrBlock The IP range resources are insufficient.