Hello @David Baxter
Thank you for sharing the required details via private message.
The issue was related to an IP location mismatch. We collected the necessary information from you and engaged our Product team to investigate further. They have now resolved the issue from the back end.
You should be able to see the correct location in the Azure portal for the affected IP addresses.
We hope this information is helpful. Please feel free to reach out if you have any further questions or need additional assistance