Custom Subnet Masks

$1.$ Based on the data that you have fill in the blanks.

Problem $1$

Number of the needed Subnets $14$

Number of the needed hosts $14$

Network Address $192\mathrm{.}10\mathrm{.}10\mathrm{.}0$

Class of the IP address C

Default subnet mask $255\mathrm{.}255\mathrm{.}255\mathrm{.}0$

Custom subnet mask $255\mathrm{.}255\mathrm{.}255\mathrm{.}11110000(240)$

Number of Subnets $2^4=16$

Number of Host IP addresses $2^4=16$

Number of useful Host IP Address $14$

Number of Bits borrowed $4$

Problem $2$

$5$

Number of the needed Subnets $1000$

Number of the needed hosts $60$

Network Address $165\mathrm{.}100.0\mathrm{.}0$

Class of the IP address B

Default subnet mask $255\mathrm{.}255\mathrm{.}0\mathrm{.}0$

Custom subnet mask $255\mathrm{.}255\mathrm{.}11111111\mathrm{.}11000000$

$255\mathrm{.}255\mathrm{.}255\mathrm{.}192$

Number of Subnets $2^10=1024$

Number of Host IP addresses $2^6=64$

Number of useful Host IP Address $62$

Number of Bits borrowed $10$

Problem $3$

Network Address $148\mathrm{.}75.0\mathrm{.}0/26$

Class of the IP address $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Default subnet mask $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Custom subnet mask $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Number of Subnets $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Number of Host IP addresses $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Number of useful Host IP Address $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Number of Bits borrowed $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$