Question

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Suppose an ISP has the following IP address block: 130.12.128.0/23.

1. Assume that the ISP wants to divide its address block (130.12.128.0/23) into two equal-sized contiguous address blocks, and give one of these address blocks to its customers (C1 and C2). Provide network addresses (of the form a.b.c.d/x) for C1 and C2.

1. Now let’s assume that the ISP wants to divide its address block (130.12.128.0/23) into four equal-sized contiguous address blocks, and give one of these address blocks to its customers (C1, C2, C3, and C4). Provide network addresses (of the form a.b.c.d/x) for each customer.

Answer 1