Adding fly VMs to an allowlist

[greg]

It’s not currently possible to get an IP for an allowlist (such as for a firewall).

You may be able to get an IP range Fly uses for a particular region, but they are subject to change.

e.g this thread and its links:

IP-address of app instance

As far as I know there haven’t been any further developments on adding this feature: For now the closest thing you can do is get an IP range from Fly. Since (as you point out) the IP changes. e.g for ams