[bnegreve]

Not sure, the numeric notation is little endian wheras DNSs are big endian.

[B-Con]

That's the point. Numeric notation is right-to-left. It was around long before the concept of endianness.

[bnegreve]

What does it mean to be right-to-left? If it means that least significant values are on the right side and most significant ones on the left side, then domain names are left-to-right (as opposed to numeric notation).