In theory there are decryption keys to these adresses stored in apples "secure enclave" there could be a way to exploit and read some of this information
You could also see if your home wifi router logs the devices Mac adresses that have been formerly connected to to.
If you have any previously paired Bluetooth devices they may also have unencypted Mac adresses cashed internally. I don't know enough about the Bluetooth protocol to be certain but from what I understand it's not very secure and there are certainly plenty of tools to diagnose and dedug Bluetooth communication.
See what a memory dump of any previously paired device yields.
In theory to the best of my knowledge it possible to find the information you need.
A custom solution and a lot of research and hardware hacking would be in order to fix this in practice.
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So it's probably doomed unless you are really really good at hardware hacking.
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You may be able to jailbreak the ipad, there is some 0day unpatchable hardware level exploits on a lot of apple devices. There are entire companies dedicated to breaking into and extracting information from smartphones to extract data for law enforcement and courts of law.
In theory there are decryption keys to these adresses stored in apples "secure enclave" there could be a way to exploit and read some of this information
You could also see if your home wifi router logs the devices Mac adresses that have been formerly connected to to.
If you have any previously paired Bluetooth devices they may also have unencypted Mac adresses cashed internally. I don't know enough about the Bluetooth protocol to be certain but from what I understand it's not very secure and there are certainly plenty of tools to diagnose and dedug Bluetooth communication.
See what a memory dump of any previously paired device yields.
In theory to the best of my knowledge it possible to find the information you need.
A custom solution and a lot of research and hardware hacking would be in order to fix this in practice.