Wow and I thought nibble boundaries would make the math easier than HD ratios.
Here's the breakdown for those who are mathematically challenged: n sites prefix 0 Nothing. 1 /48 2-12 /44 13-191 /40 192-3071 /36 3072-49,151 /32 49,152-786,431 /28 If you're managing more than 786,431 sites, then you should be able to afford to hire someone who can properly handle the math. Owen
