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If network restrictions require you to allowlist IP addresses for Blaxel deployments, including sandbox traffic, retrieve the current public IP ranges through the Blaxel API. The API returns addresses as CIDR ranges for each region.

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Retrieve public IP addresses

Send an authenticated request to the public IP endpoint:

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IP address stability

Blaxel public IP addresses are static and do not change frequently. New addresses are typically added only as the platform scales, which happens a few times per year or less. Retrieve the list from the API whenever you need the latest ranges.

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Regional IP addresses

Blaxel offers sandboxes in four regions:
  • us-pdx-1: Portland
  • us-was-1: North Virginia
  • eu-lon-1: London
  • eu-fra-1: Frankfurt
To retrieve addresses for one region, add the region query parameter:

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Future networking options

Blaxel is working on:
  • Dedicated IP addresses per customer without significant resource reservation
  • Private endpoint connections to AWS VPCs
These options will provide additional networking controls for customers with strict security requirements.

Regions and public IP addresses

Review regions and the public IP API.

Dedicated egress gateways

Configure dedicated outbound networking for supported workloads.
Last modified on October 5, 2026