You can read through that post and see someone added about the similarity tween the two numbers.
Make a Mac Address up, its not bothered what it is as long as it gets one from that file.
Probably a Mac Addy generator, sure I saw one some place
It's an emergency only. you should really note it as soon as you start messing with the phone. I didnn't just rely on saving mine but wrote it in my important details book. A little hardcopy book I keep for the purpose (Dads idea and I borrowed it).
*** Just remember, any ROM change, Kernel change or any other type of change you do is at your own risk. Someone helping you is not responsible for any risks you decide to take. It works for many but their are situations, events and errors outside of the control of a third party that may cause a bricked phone. Think before you start. I took the chance and thankfully it worked for me. Had it not then only I would have been to blame. ***