$2\mathrm{.}7.$ A provider has been assigned the network $128\mathrm{.}30.\frac{0\mathrm{.}0}{23}$ and wants to divide it among three customers. Customer A needs to accommodate up to $220$ hosts, customer B needs to accommodate up to $110$ hosts and customer C needs to accommodate up to $80$ hosts. Fill the following table in your answer script with the details of the sub$-$networks that the provider can create to fit its customers' needs. $[5$ points$]$

$\backslash$table$[[$Subnet No$.,$NetworkAddr,Netmask,Host Range,No$.$ of Hosts$],[$Cust$.$ A$,,,,],[$Cust$.$ B$,,,,],[$Cust$.$ C$,,,,]]$