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Elasticsearch:Service CIDR blocks for Alibaba Cloud Elasticsearch

Last Updated:Jul 17, 2026

To migrate data from a self-managed Elasticsearch cluster to Alibaba Cloud Elasticsearch with the online migration tool, enter the private IP address of an ECS instance that hosts a self-managed cluster node in the IP Address of ECS Instance for Self-managed Elasticsearch Cluster field. Add a security group rule on that ECS instance to allow inbound TCP traffic on ports 9200 and 9300 from the Alibaba Cloud Elasticsearch service CIDR block for your region.

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Service CIDR blocks by region

Region

Service CIDR block

cn-zhangjiakou

100.104.237.0/24

cn-hangzhou

100.104.173.0/24

cn-shanghai

100.104.55.0/24

cn-shenzhen

100.104.34.0/24

cn-beijing

100.104.191.0/24

cn-hongkong

100.104.244.0/24

ap-southeast-1

100.104.143.0/24

ap-southeast-5

100.104.194.0/24

cn-chengdu

100.104.137.64/26

cn-guangzhou

100.104.242.64/26

cn-wulanchabu

100.104.171.128/26

cn-qingdao

100.104.185.0/24

ap-southeast-3

100.104.10.0/24

ap-northeast-1

100.104.68.0/24

eu-central-1

100.104.45.0/24

eu-west-1

100.104.14.0/26

us-east-1

100.104.1.0/24

us-west-1

100.104.244.0/24

cn-hangzhou-finance

100.104.49.0/24

cn-shanghai-finance-1

100.104.144.0/24