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Container Registry:Use outbound public IP addresses for image building

Last Updated:Mar 26, 2026

When you trigger an image build from a self-managed GitLab repository, Container Registry Enterprise Edition (ACR EE) connects to your GitLab instance over the public internet using a set of fixed outbound IP addresses. To allow this connection, add all outbound IP addresses for your region to your GitLab IP allowlist.

Only ACR EE supports outbound public IP addresses for image builds. Container Registry Personal Edition (ACR PE) does not support this feature.

Outbound public IP addresses by region

Alibaba Cloud public cloud

Region Outbound public IP addresses
China (Beijing) 114.55.35.64, 120.26.114.64, 39.106.70.203, 123.57.148.117, 47.242.31.43
China (Zhangjiakou) 39.100.21.208, 39.100.19.144, 39.101.128.102, 47.242.31.43
China (Hangzhou) 121.40.84.55, 47.110.80.143, 115.29.201.226, 47.242.31.43
China (Shenzhen) 114.55.35.64, 120.26.114.64, 47.112.119.99, 47.242.31.43
China (Shanghai) 114.55.35.64, 120.26.114.64, 47.101.218.235, 47.242.31.43
China (Heyuan) 47.113.178.146, 47.113.186.24, 47.113.193.139
China (Chengdu) 47.108.136.79, 47.108.93.123, 47.108.79.241
China (Hong Kong) 47.90.56.71, 47.56.210.52, 8.210.229.249, 47.242.31.43
Singapore (Singapore) 47.74.220.158, 47.88.217.77, 161.117.229.121
Indonesia (Jakarta) 149.129.212.10, 147.139.136.190, 149.129.232.147
Japan (Tokyo) 47.74.11.222, 47.74.9.62, 47.74.7.206
US (Virginia) 47.90.208.231, 47.90.248.160, 47.252.21.103
US (Silicon Valley) 47.254.47.210, 47.254.41.172, 47.88.14.160
UK (London) 114.55.35.64, 120.26.114.64, 8.208.78.125
Germany (Frankfurt) 8.209.114.195, 8.209.105.3, 47.254.144.234

Alibaba Finance Cloud

Region Outbound public IP addresses
China East 1 Finance 121.41.140.71, 121.41.125.247, 121.41.136.217
China East 2 Finance 139.224.123.88, 139.224.123.169, 139.224.123.35
China South 1 Finance 112.74.250.169, 112.74.247.68, 112.74.243.103

Usage notes

  • Add all IP addresses for your region to the allowlist. ACR EE may use any of them when connecting to your GitLab instance.