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Consider a subnet with prefix 128.119.40.128/26. Give an example of one IP address (of form xxx.xxx.xxx.xxx) that can be assigned to this network. Suppose an ISP owns the block of addresses of the form 128.119.40.64/26. Suppose it wants to create four subnets from this block, with each block having the same number of IP addresses. What are the prefixes (of form a.b.c.d/x) for the four subnets

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Answer:

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Explanation:

The step by step solution to the answer above can be seen below, kindly indicate any barrier through the comment box.

IP address range: 128.119.40.128 ‐ 128.119.40.191

Note: 128.119.40.128(last 8 bits: 10000000, reserved address), 128.119.40.191(last 8 bits: 10111111, reserved address, broadcast)

Four subnets:

   128.119.40.64/28

   128.119.40.80/28

   128.119.40.96/28

   128.119.40.112/28

The subnetwork, often known as a subnet, is a functional division of an IP network. The subnet mask is the process of separating a system into two or more networks. Machines in the same subnet are addressed with the same most significant bit-group on their IP addresses.

The range of IP address:

[tex]\to \bold{128.119.40.128- 128.119.40.191}[/tex]

Note:

[tex]\to 128.119.40.128(last \ 8 \ bits: 10000000, \text{reserved address}) \\\\ \to 128.119.40.191(last\ 8\ bits: 10111111, \text{reserved address, broadcast})[/tex]

Following are the four subnets:

[tex]128.119.40.64/28 \\\\128.119.40.80/28\\\\128.119.40.96/28\\\\128.119.40.112/28[/tex]

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