Custom Subnet Masks

Problem $3$

$126$ indicates the total number of

Network Address $148\mathrm{.}75\mathrm{.}0\mathrm{.}0$ I$26$ bits used for the network and subnetwork portion of the address. All bits remaining belong to the host portion of the address.

Address class

Default subnet mask

$255\mathrm{.}255\mathrm{.}0\mathrm{.}0$

Custom subnet mask $255\mathrm{.}255\mathrm{.}255\mathrm{.}192$

Total number of subnets

Total number of host addresses

Number of usable addresses

Number of bits borrowed

Show your work for Problem $3$ in the space below.

Custom Subnet Masks

Problem $4$

Number of needed subnets $6$

Number of needed usable hosts $30$

Network Address $195\mathrm{.}85\mathrm{.}8\mathrm{.}0$

Address class

Default subnet mask

Custom subnet mask

Total number of subnets

Total number of host addresses

Number of usable addresses

Number of bits borrowed

Show your work for Problem $4$ in the space below.

Number of

Number $of\{\begin{array}{ccc}\text{:}[256,& 128,64,32,16,8,4,2-\text{H}\text{o}\text{s}\text{t}\text{s}& ]\end{array}$

$\{\begin{array}{ccc}\text{:}[128,& 64,32,16,8,4,2,1-\text{B}\text{i}\text{n}\text{a}\text{r}\text{y}\text{v}\text{a}\text{l}\text{u}\text{e}\text{s}& ]\end{array}$

$195\mathrm{.}85\mathrm{.}8\mathrm{.}00000000$