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A large number of consecutive IP address are available starting at 198.16.0.0. Suppose that four organizations,...

A large number of consecutive IP address are available starting at 198.16.0.0. Suppose that four organizations, A, B, C and D request 4000, 2000, 4000, and 8000 address, respectively, and in that order. For each of these, give the first IP address assigned, the last IP address assigned, and the mask inthe w.x.y.z/s notation

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Answer #1

Major Network: 198.16.0.0/17
Available IP addresses in major network: 32766
Number of IP addresses needed: 18000
Available IP addresses in allocated subnets: 18424
About 56% of available major network address space is used
About 98% of subnetted network address space is used

Subnet Name Needed Size Allocated Size Address Mask Dec Mask Assignable Range Broadcast
A 4000 4094 198.16.32.0 /20 255.255.240.0 198.16.32.1 - 198.16.47.254 198.16.47.255
B 2000 2046 198.16.64.0 /21 255.255.248.0 198.16.64.1 - 198.16.71.254 198.16.71.255
C 4000 4094 198.16.48.0 /20 255.255.240.0 198.16.48.1 - 198.16.63.254 198.16.63.255
D 8000 8190 198.16.0.0 /19 255.255.224.0 198.16.0.1 - 198.16.31.254 198.16.31.255

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