Geolocation is not resolved on some devices

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Describe the problem

I have a few devices which are all residing on the same network, out of them only 1 resolves to the location geolocation the remaining devices show as "unknown" region. They are also part of the same group.

The device that is properly identified is an iOS 18.0 device with v028.7.
The other devices are a variety of linux flavours (all 0.29.4), iOS 18.0 tablet (v0.28.7) as well as apple devices on Ventura, Sequoia (0.29.4)

To Reproduce

good question

Expected behavior

Geolocation to resolve or allowing to manually add for known devices.

Are you using NetBird Cloud?

Self-host NetBird's control plane - latest

NetBird version

netbird version
0.29.4

NetBird status -dA output:

N/A

Do you face any (non-mobile) client issues?

happens on mobile as well as other devices as stated

Screenshots

**Additional context**

the workload in France is on a public IP, I have tried enabling airplane mode and re-adding the phone, geolocation still got resolved after a period of time. All of the non-resolved devices reside on the same network, maybe on another VLAN as the iOS device that resolves - at least 2 devices are on the exact same network.

obviously this prevents access control policies in combination with location to work correctly.