Assume an organization has the classless address 152.100.30.1/20, then find the following:(plz no copy SEU)

1-What is the meaning of the number 20 in the given address?

2-Use binary notation and hexadecimal notation to represent the given address.

3-The mask in in binary and dotted decimal notations.

4-The first address in binary and dotted decimal notations.

5-The last address in binary and dotted decimal notations.

6-The address space; or the total number of addresses that are possible [in decimal]. Show final answer and how you get the final answer.

7-The network address in dotted decimal notation. Explain.

8-Does the address 152.111.15.127 belong to this address space?

9-Does the address 152.96.128.0 belong to this address space?

152.100.30.1 Binary Hexadecimal Mask Binary Decimal First Address 4 Binary Decimal Last Address Binary Decimal Network Address Decimal Does the address 152.111.15.127 belong to this address space? Yes or No, and why Does the address 152.96.128.0 belong to this address space? Yes or No and why