$172\mathrm{.}16\mathrm{.}0\mathrm{.}0/12$ is one of the subnets $($blocks of IPv$4$ addresses$)$ reserved by the Internet Assigned Numbers Authority $($IANA$)$ for private networks.

This address range starts at $172\mathrm{.}16\mathrm{.}0\mathrm{.}0.$ Its size is defined by the prefix length $12,$ which indicates that the addresses in this subnet are defined by having the same first $12$ bits. Recall that an IPv$4$ address is a $32$ bit number.

What is the highest address in this address range?