Given a network address 129.99.0.0/16, develop a variable-length addressing scheme that best fits the requirements shown below in the table for an enterprise network (AS: Autonomous System). Show your design process.

AS No.	Location	Department	The Number of Users
AS1	City I	Customer services in Building A	260
		Engineering in Building B	600
		Sales in Building C	140
	City II	Sales in City II	70
AS2	City III	Sales in City III	90
		IT support	24
AS3	City IV	HQ in A Block	1,000
		Finance in B Block	100
		Sales in C Block	130

Hints: 2⁶ = 64; 2⁷ = 128; 2⁸ = 256; 2⁹ = 512; 2¹⁰ = 1, 024; 2¹¹ = 2,048; 2¹² = 4,096.

The tabs inside the table are exactly same and all are correct..