what is the number that appears on buyers address always starts with ebay then numbers and letters

[coffee1440]

have just recently noticed when looking at buyers address there is an ebay under it with letters and numbers what does that mean?

[padi*0409]

It's covered in this thread :-

https://community.ebay.com.au/t5/Selling/I-just-got-in-quot-trouble-quot-for-ebays-new-address-track...