> in particular that Amazon is not in the habit of handing out, like, account IDs 676363687000 - 676363687999 to a single organization Honestly, wouldn't surpr

> in particular that Amazon is not in the habit of handing out, like, account IDs 676363687000 - 676363687999 to a single organization Honestly, wouldn't surprise me that much if they were willing to accommodate this if for sufficiently large accounts. It'd still pretty sketchy to design your access control around, but it wouldn't be unrealistic.