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Amazon S3 now supports IPv6 for gateway and interface VPC endpoints in China Regions

Posted on: Jan 14, 2026

Amazon S3 now supports Internet Protocol version 6 (IPv6) addresses for Amazon PrivateLink gateway and interface Virtual Private Cloud (VPC) endpoints in Amazon Web Services China (Beijing) Region, operated by Sinnet, and Amazon Web Services China (Ningxia) Region, operated by NWCD. 

The continued growth of the internet is exhausting available Internet Protocol version 4 (IPv4) addresses. IPv6 increases the number of available addresses by several orders of magnitude, and customers no longer need to manage overlapping address spaces in their VPCs. To get started with IPv6 connectivity on a new or existing S3 gateway or interface endpoint, configure IP address type for the endpoint to IPv6 or Dualstack. When enabled, Amazon S3 automatically updates the routing tables with IPv6 addresses for gateway endpoints and sets up an Elastic network interface (ENI) with IPv6 addresses for interface endpoints. 

You can set up IPv6 for new and existing VPC endpoints using the Amazon Web Services Management Console, Amazon CLI, Amazon SDK, or Amazon CloudFormation. To learn more, please refer to the service documentation.