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Object Storage Service:Regions and endpoints

Last Updated:Nov 07, 2025

When you deploy OSS in multiple regions, the region and endpoint that you choose affect performance, cost, and compliance. Choose an appropriate region and configure the correct endpoint to improve access performance, allocate resources efficiently, and meet data compliance requirements.

A region identifies the physical location of an Alibaba Cloud data center. When you choose a region, consider the following factors:

  • Interconnection with other cloud products: You can deploy other Alibaba Cloud products and OSS in the same region to enable communication over the internal network. This approach avoids public network traffic fees and provides a more stable connection.

  • Cost: Product pricing and discounts vary by region. You can choose a region with lower prices to control costs. For more information, see OSS Pricing.

  • Compliance requirements: Data compliance requirements vary by region and industry. Choose a region that meets your business's regulatory requirements.

  • Product features: New features are often released for public preview in specific regions. If you want to use the latest features, you must create a bucket in a designated region. For more information, see the Release notes.

  • Proximity: You should choose the region closest to your primary users or applications. This can significantly reduce network latency and improve access performance.

How to quickly test network latency to different regions

You can use the curl command to quickly test the access latency from your on-premises network to OSS endpoints in different regions. The results can help you choose a region. Lower values for time_connect and time_starttransfer usually indicate better network quality.

# Test the latency to China (Hangzhou) curl -o /dev/null -s -w "Connect: %{time_connect}s\nStart Transfer: %{time_starttransfer}s\nTotal: %{time_total}s\n" "https://oss-cn-hangzhou.aliyuncs.com" # Test the latency to China (Beijing) curl -o /dev/null -s -w "Connect: %{time_connect}s\nStart Transfer: %{time_starttransfer}s\nTotal: %{time_total}s\n" "https://oss-cn-beijing.aliyuncs.com"

Public cloud

The names of some regions outside China may be displayed differently on the OSS Pricing page and the resource plan purchase page. However, these names all refer to the same physical location. For example, the US (Silicon Valley) region may be displayed as US West 1 or US West on different pages. For more information, see OSS Pricing or Purchase Resource Plan.

Asia-Pacific - China

Region

Region ID

Public endpoint

Internal endpoint

Dual-stack endpoint

Internal VIP CIDR blocks

China (Hangzhou)

cn-hangzhou

oss-cn-hangzhou.aliyuncs.com

oss-cn-hangzhou-internal.aliyuncs.com

cn-hangzhou.oss.aliyuncs.com

  • 100.118.28.0/24

  • 100.114.102.0/24

  • 100.98.170.0/24

  • 100.118.31.0/24

China (Shanghai)

cn-shanghai

oss-cn-shanghai.aliyuncs.com

oss-cn-shanghai-internal.aliyuncs.com

cn-shanghai.oss.aliyuncs.com

  • 100.98.35.0/24

  • 100.98.110.0/24

  • 100.98.169.0/24

  • 100.118.102.0/24

China (Nanjing - Local Region) (Closing Down)

cn-nanjing

oss-cn-nanjing.aliyuncs.com

oss-cn-nanjing-internal.aliyuncs.com

Not supported

100.114.142.0/24

China (Qingdao)

cn-qingdao

oss-cn-qingdao.aliyuncs.com

oss-cn-qingdao-internal.aliyuncs.com

cn-qingdao.oss.aliyuncs.com

  • 100.115.173.0/24

  • 100.99.113.0/24

  • 100.99.114.0/24

  • 100.99.115.0/24

China (Beijing)

cn-beijing

oss-cn-beijing.aliyuncs.com

oss-cn-beijing-internal.aliyuncs.com

cn-beijing.oss.aliyuncs.com

  • 100.118.58.0/24

  • 100.118.167.0/24

  • 100.118.170.0/24

  • 100.118.171.0/24

  • 100.118.172.0/24

  • 100.118.173.0/24

China (Zhangjiakou)

cn-zhangjiakou

oss-cn-zhangjiakou.aliyuncs.com

oss-cn-zhangjiakou-internal.aliyuncs.com

cn-zhangjiakou.oss.aliyuncs.com

  • 100.118.90.0/24

  • 100.98.159.0/24

  • 100.114.0.0/24

  • 100.114.1.0/24

China (Hohhot)

cn-huhehaote

oss-cn-huhehaote.aliyuncs.com

oss-cn-huhehaote-internal.aliyuncs.com

cn-huhehaote.oss.aliyuncs.com

  • 100.118.195.0/24

  • 100.99.110.0/24

  • 100.99.111.0/24

  • 100.99.112.0/24

China (Ulanqab)

cn-wulanchabu

oss-cn-wulanchabu.aliyuncs.com

oss-cn-wulanchabu-internal.aliyuncs.com

cn-wulanchabu.oss.aliyuncs.com

  • 100.114.11.0/24

  • 100.114.12.0/24

  • 100.114.100.0/24

  • 100.118.214.0/24

China (Shenzhen)

cn-shenzhen

oss-cn-shenzhen.aliyuncs.com

oss-cn-shenzhen-internal.aliyuncs.com

cn-shenzhen.oss.aliyuncs.com

  • 100.118.78.0/24

  • 100.118.203.0/24

  • 100.118.204.0/24

  • 100.118.217.0/24

China (Heyuan)

cn-heyuan

oss-cn-heyuan.aliyuncs.com

oss-cn-heyuan-internal.aliyuncs.com

cn-heyuan.oss.aliyuncs.com

  • 100.98.83.0/24

  • 100.118.174.0/24

China (Guangzhou)

cn-guangzhou

oss-cn-guangzhou.aliyuncs.com

oss-cn-guangzhou-internal.aliyuncs.com

cn-guangzhou.oss.aliyuncs.com

  • 100.115.33.0/24

  • 100.114.101.0/24

China (Chengdu)

cn-chengdu

oss-cn-chengdu.aliyuncs.com

oss-cn-chengdu-internal.aliyuncs.com

cn-chengdu.oss.aliyuncs.com

  • 100.115.155.0/24

  • 100.99.107.0/24

  • 100.99.108.0/24

  • 100.99.109.0/24

China (Hong Kong)

cn-hongkong

oss-cn-hongkong.aliyuncs.com

oss-cn-hongkong-internal.aliyuncs.com

cn-hongkong.oss.aliyuncs.com

  • 100.115.61.0/24

  • 100.99.103.0/24

  • 100.99.104.0/24

  • 100.99.106.0/24

Asia-Pacific - Other

Region

Region ID

Public endpoint

Internal endpoint

Dual-stack endpoint

Internal VIP CIDR blocks

Japan (Tokyo)

ap-northeast-1

oss-ap-northeast-1.aliyuncs.com

oss-ap-northeast-1-internal.aliyuncs.com

Not supported

  • 100.114.211.0/24

  • 100.114.114.0/25

South Korea (Seoul)

ap-northeast-2

oss-ap-northeast-2.aliyuncs.com

oss-ap-northeast-2-internal.aliyuncs.com

Not supported

100.99.119.0/24

Singapore

ap-southeast-1

oss-ap-southeast-1.aliyuncs.com

oss-ap-southeast-1-internal.aliyuncs.com

Not supported

  • 100.118.219.0/24

  • 100.99.213.0/24

  • 100.99.116.0/24

  • 100.99.117.0/24

Malaysia (Kuala Lumpur)

ap-southeast-3

oss-ap-southeast-3.aliyuncs.com

oss-ap-southeast-3-internal.aliyuncs.com

Not supported

  • 100.118.165.0/24

  • 100.99.125.0/24

  • 100.99.130.0/24

  • 100.99.131.0/24

Indonesia (Jakarta)

ap-southeast-5

oss-ap-southeast-5.aliyuncs.com

oss-ap-southeast-5-internal.aliyuncs.com

Not supported

100.114.98.0/24

Philippines (Manila)

ap-southeast-6

oss-ap-southeast-6.aliyuncs.com

oss-ap-southeast-6-internal.aliyuncs.com

Not supported

100.115.16.0/24

Thailand (Bangkok)

ap-southeast-7

oss-ap-southeast-7.aliyuncs.com

oss-ap-southeast-7-internal.aliyuncs.com

Not supported

100.98.249.0/24

Europe and Americas

Region

Region ID

Public endpoint

Internal endpoint

Dual-stack endpoint

Internal VIP CIDR blocks

Germany (Frankfurt)

eu-central-1

oss-eu-central-1.aliyuncs.com

oss-eu-central-1-internal.aliyuncs.com

eu-central-1.oss.aliyuncs.com

100.115.154.0/24

UK (London)

eu-west-1

oss-eu-west-1.aliyuncs.com

oss-eu-west-1-internal.aliyuncs.com

Not supported

100.114.114.128/25

US (Silicon Valley)

us-west-1

oss-us-west-1.aliyuncs.com

oss-us-west-1-internal.aliyuncs.com

Not supported

100.115.107.0/24

US (Virginia)

us-east-1

oss-us-east-1.aliyuncs.com

oss-us-east-1-internal.aliyuncs.com

Not supported

  • 100.115.60.0/24

  • 100.99.100.0/24

  • 100.99.101.0/24

  • 100.99.102.0/24

Mexico

na-south-1

oss-na-south-1.aliyuncs.com

oss-na-south-1-internal.aliyuncs.com

Not supported

100.115.112.0/27

Middle East

Region

Region ID

Public endpoint

Internal endpoint

Dual-stack endpoint

Internal VIP CIDR blocks

UAE (Dubai)

me-east-1

oss-me-east-1.aliyuncs.com

oss-me-east-1-internal.aliyuncs.com

Not supported

100.99.235.0/24

SAU (Riyadh - Partner Region)

me-central-1

oss-me-central-1.aliyuncs.com

oss-me-central-1-internal.aliyuncs.com

Not supported

100.99.121.0/24