AppVeyor
AppVeyor documents IP addresses assigned to hosted build VMs across LiquidWeb, Azure, and macOS fleets. Allowlist these when CI needs to reach private resources. Prefer the docs page as source of truth — addresses can change.
Published ranges
AppVeyor build environment IPs
DocumentationOfficial build VM IP addresses by hosting environment (LiquidWeb, Azure, macOS) from AppVeyor docs.