Refer to the example that was discussed in the IP Addressing lecture where a lar
ID: 3589425 • Letter: R
Question
Refer to the example that was discussed in the IP Addressing lecture where a large number of consecutive IP addresses are available from 198.16.0.0. Suppose that four companies A, B, C and D respectively require 4000, 2000, 4000 and 8000 addresses (requests arrive in that order). In the lecture, we covered the first three companies A, B, and C, continue the example by giving:
1. the first IP address assigned for company D,
2. the last IP address assigned for company D,
3. the allocated block for company D, using the notation w.x.y.z/s
It's important to Show your work.
Explanation / Answer
Here we start with, all requests for four companies that are are rounded up to power of two. The starting addresses are as follows:
For company A: 198.16.0.0
For companyB: 198.16.16.0
For companyC: 198.16.32.0
For companyD: 198.16.64.0
Then thhe ending address, and mask for company D are as follows
Last address:198.16.95.255
Mask : 198.16.64.0/19