Question

1.An ISP is granted a block of addresses starting with 190.100.0.0/16 (65,536 addresses). The ISP needs
to distribute these addresses to three groups of customers as follows: a. The first group has 64 customers;
each needs 256 addresses. b. The second group has 128 customers; each needs 128 addresses. c. The third
group has 128 customers; each needs 64 addresses. Design the subblocks and find out how many
addresses are still available after these allocations.

Answer 1

Answer:

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E

E

E

E

E

E

E

E

E

Explanation:

W

E

E

E

E

E

E

W

W

W

W

W

W

E

E

E

E

E

E

Ee

E

S

S

S

S

S

S

S

S

Ss

S

S

S

S

S

S

S

S

S

#

A

A

A

A

A

S

S

S

S

S

S

S

S

S

S