Which of the following is NOT a range of IP addresses recommended for use in private networks?

a$.10\mathrm{.}0\mathrm{.}0\mathrm{.}0$ through $10\mathrm{.}255\mathrm{.}255\mathrm{.}255$

b$.127\mathrm{.}0\mathrm{.}0\mathrm{.}0$ through $127\mathrm{.}255\mathrm{.}255\mathrm{.}255$

c$.192\mathrm{.}168\mathrm{.}0\mathrm{.}0$ through $192\mathrm{.}168\mathrm{.}255\mathrm{.}255$

d$.172\mathrm{.}16\mathrm{.}0\mathrm{.}0$ through $172\mathrm{.}31\mathrm{.}255\mathrm{.}255$