(a) A large organization with a large block address (12.44.184.0/21) is split into one medium-size company (M) and four small organizations (S1, S2, S3 and S4). The medium size company is allocated the block (12.44.184.0/22). The remaining block is divided into four equal-sized blocks and allocated to the small organizations. i. What are the block addresses assigned to the small organizations? (4 marks) ii. Suppose that the five networks are connected to router R1 as shown in Fig. Q3(a). What are the forwarding tables of the router R1 and R2 if address (6 marks) iii. Suppose that three small networks are moved to other locations as shown in Fig. aggregation is applied? Q3(b). What are the forwarding tables of the router Rl and R2 if address aggregation is applied? (5 marks) S1 S2 m0 m5 Rest of the Internet m3 R2 S3 S4 R1 S2 S3 S1 3 m2 mO m0 m4 Rest of the Internet R1 R2 S4 Fig. Q3