Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

Subnetting made easy, Study notes of Network Analysis

Information and Communications Technology Academy (ICTA)Network Analysis

magic number we must always subtract the subnet mask by “256”. *256 – 240 = 16, now that we have our magic number of 16 we can now find the solution to our ...

Typology: Study notes

2021/2022

Uploaded on 08/05/2022

hal_s95
hal_s95 🇵🇭

4.4

(652)

10K documents

1 / 1

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Sunset Learning Institute
www.sunsetlearning.com | 888.888.5251
Authorized Cisco Learning Partner Specialized
Subnetting made easy
If workings things out in binary is too time consuming or that understanding the process in laying things
out in 1’s and 0’s is too tough… try a shortcut! Figure out the magic number from the subnet mask, and
find the range of that the IP address resides on. With an IP address of 172.16.1.37, and a subnet mask of
255.255.255.240, the objective is to find out:
I) What Network does the above IP address belong to?
II) What is the first and last assignable host of the Network (valid IP range)?
III) What is the Broadcast address of the Network?
IV) What is the next Network address (next subnet)?
First off, to find which network the IP address falls into we must figure out the magic number. We find
out about this number by using the subnet mask, take the number that is furthest to the left that is not
“255”. In this case with a subnet mask of a 255.255.255.240 the number that we take is “240”, to get the
magic number we must always subtract the subnet mask by “256”. *256 – 240 = 16, now that we have
our magic number of 16 we can now find the solution to our objective!
I) What Network does the above IP address belong to?
a. We are working on the last octet of the address because the subnet mask
255.255.255.240 (the octet we subtract from 256 to find our magic number is how we
know which octet we are working on). With the IP address of a 172.16.1.37, we use our
magic number to go up increments of 16 until we get into the range of 172.16.1.37.
0
16
32 37 falls between this range…
48
b. The Network address that 172.16.1.37 belongs to is the first number in the range from
above. Giving the Network address of a 172.16.1.32 255.255.255.240
II) What is the first and last assignable host of the Network (Valid IP range)?
a. The first assignable IP address on the Network is +1 to the Network address giving the IP
172.16.1.33.
b. The last assignable IP address on the Network is -2 to the ending IP address within the
range of 32 and 48 giving the IP address of 172.16.1.46
III) What is the Broadcast address of the Network?
a. The Broadcast address is -1 to the ending IP address within the range of 32 and 48 giving
the IP address of 172.16.1.47
IV) What is the next Network address (next subnet)?
a. The next Network address is the IP address ending in the range of 32 and 48 giving the
IIP address of 172.16.1.48

Partial preview of the text

Download Subnetting made easy and more Study notes Network Analysis in PDF only on Docsity!

Sunset Learning Institute www.sunsetlearning.com | 888.888. Authorized Cisco Learning Partner Specialized

Subnetting made easy

If workings things out in binary is too time consuming or that understanding the process in laying things out in 1’s and 0’s is too tough… try a shortcut! Figure out the magic number from the subnet mask, and find the range of that the IP address resides on. With an IP address of 172.16.1.37, and a subnet mask of 255.255.255.240, the objective is to find out:

I) What Network does the above IP address belong to? II) What is the first and last assignable host of the Network (valid IP range)? III) What is the Broadcast address of the Network? IV) What is the next Network address (next subnet)?

First off, to find which network the IP address falls into we must figure out the magic number. We find out about this number by using the subnet mask, take the number that is furthest to the left that is not “255”. In this case with a subnet mask of a 255.255.255. 240 the number that we take is “ 240 ”, to get the magic number we must always subtract the subnet mask by “ 256 ”. * 256 – 240 = 16 , now that we have our magic number of 16 we can now find the solution to our objective!

I) What Network does the above IP address belong to? a. We are working on the last octet of the address because the subnet mask 255.255.255. 240 (the octet we subtract from 256 to find our magic number is how we know which octet we are working on). With the IP address of a 172.16.1. 37 , we use our magic number to go up increments of 16 until we get into the range of 172.16.1. 37.

32  37 falls between this range… 48  b. The Network address that 172.16.1.37 belongs to is the first number in the range from above. Giving the Network address of a 172.16.1.32 255.255.255. II) What is the first and last assignable host of the Network (Valid IP range)? a. The first assignable IP address on the Network is +1 to the Network address giving the IP 172.16.1.33. b. The last assignable IP address on the Network is -2 to the ending IP address within the range of 32 and 48 giving the IP address of 172.16.1. III) What is the Broadcast address of the Network? a. The Broadcast address is -1 to the ending IP address within the range of 32 and 48 giving the IP address of 172.16.1. IV) What is the next Network address (next subnet)? a. The next Network address is the IP address ending in the range of 32 and 48 giving the IIP address of 172.16.1.