The following three IP addresses belong to three different IP address blocks: a$)11\mathrm{.}10\mathrm{.}44\mathrm{.}10/20$ b$)11\mathrm{.}10\mathrm{.}3\mathrm{.}77/27$

c$)11\mathrm{.}155\mathrm{.}3\mathrm{.}10/11.$ For each of these IP addresses, perform the following tasks:

$$ Identify the first and last IP addresses in the corresponding IP address block $($include the subnet mask in either dotteddecimal or slash notation$).$ Also calculate the total number of IP addresses that belong to each IP address block.