What is the binary form for the following decimal IP address?

$131\mathrm{.}9\mathrm{.}202\mathrm{.}111$

answer

$10000001\mathrm{.}00001010\mathrm{.}11000011\mathrm{.}01010111$

$10000011\mathrm{.}00001001\mathrm{.}11001010\mathrm{.}01101111$

$10000111\mathrm{.}00001101\mathrm{.}11001110\mathrm{.}01011101$

$10000110\mathrm{.}00001011\mathrm{.}11000101\mathrm{.}10101110$