I guess I am really out to lunch... The first 4 digits are 9017.
BTW, I had purchased 2 Kindles together that arrived today. The second one was untouched yet. So I turn it ON, set it up, and found out that the option to 'Update Your Kindle' is greyed out, out of the box, meaning without even attempting to jailbreak it. The SN also starts with 9017.
Is there something with this batch? Or Belgium??
Many thanks for your assistance!!