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Questions tagged [subnet]

A part of the IP address identifying the whole local network (high bits as defined by netmask). The remainder of the IP address (host id) identifies devices that are connected to this network. Can also mean the local network itself, if addressed by IP address in a described way.

Read more on wikipedia: https://en.wikipedia.org/wiki/Subnetwork

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How can you calculate IP address subnet ranges?

If you're given: Number of needed subnets: 2 Network Address: 195.223.50.0 I can answer the following: Address Class: C Default Subnet Mask: 255.255.255.0 Custom Subnet Mask: 255.255.255.192 Total number of subnets: 2^2 = 4 Total…
Savish Khan
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How to tell which IP is valid only based on the given subnet mask

I'm looking for a way to tell which IP is valid only based on the given subnet mask. For example : given the subnet mask : 255.255.255.240, is 195.206.108.25 a valid IP? Why?
f855a864
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Find IPv4 range from given subnet address and mask?

I have subnet address and mask, and I am looking for possible IP range in that subnet. Please let me know a solution in Python, PHP, or Java. For example, I have the following details: Subnet address: 10.113.12.40 mask: 255.255.255.248 Then what…
user2486495
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1 lan two offices that need to connect to a server

i'm new, I have this problem, I have a class c LAN 192.168.7.0/24, I have to configure two offices with 5 PCs and 5 printers on two different floors that must connect to a single server. how should I proceed?
Giuseppe Cortese
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AWS VPC Private/Public Subnet /Terraform?

How to create folder structure to create public and private subnet in vpc using terraform need to implement the architecture below image? 1.This is the architecture i need to implement
Diwakar Soni
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convert netblock to list all the IP addresses in that netblock

does any one have a website or tool to convert list of cidr to list of IP addresses. CIDR 40.97.160.0/24 40.97.0.0/22 40.94.0.0/16 IPs 40.97.160.0 40.97.160.1 .... thanks
Pedro Juva
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How do I find nth IP of the given subnet?

For example: given subnet 10.10.0.0/16 , if I have to find 1000th ip of given subnet range?
Chethan Gowda
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VM Networking Dilemma

Some background: I'm attempting to set up a pentesting network with a handful of virtual machines for the SANS 560 (Network Penetration Testing and Ethical Hacking) course, but I'm having an issue with the network configuration. To paint a picture…
rst-2cv
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Cannot ping across router (see details)

I'm trying to go through an online course to study for my CCENT and CCNA certification exams, and I've come across a trouble spot. In the module, he's going over basic network setup, including setting up interfaces, assigning ip addresses, the…
Kaerea
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Dividing a given network in 4 subnets

Lets suppose I get given the network (57.70.32.0/21) and I need to divide it into 4 equally sized networks. I know the mask at the moment is (255.255.248.0) but would I need to change the prefix length of the network given to 26 so I can get the 4…
JGuerra
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TCP/IP Addresses and Subnets

TLDR: Can I use the subnet mask to allow me to put a computer with a static IP address of 192.168.40.1 on my router that has all other computers addressed as 192.168.0.nnn? Hello all. This may be a very dumb question, and I apologize in advance. I…
Greg N.
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Subnetting Difficulty

Since I don't have enough rep I posted the images here: Image1 Image2 Hello, taking the following example shown in the first image, Why my teacher has assigned in the solution(image 2) for network one (N1): 7+2 hosts? shouldn't it be 6+2 since the…
user3642381
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How to calculate the subnet mask when the IP address and the number of computers to address is given?

Example: IP: 140.140.0.0 Computers: 2046 Mask = ? And subnets = ?
Patrícia Loureiro
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how to write extend network prefix?

I need help with this: Assume that you have been assigned the 200.35.1.0 /24 network block Define an extended network prefix that allows the creation of 20 hosts on each subnet. I've written the addresses in binary form: IP: 1100 1000 . 0010…
Joe
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IP v 4 subnetting and addresses

Hello I am struggling working out IP address and their subnet networks. I am faced with the following question as an example I would like to know if the answers I came up with are indeed correct. The Question is as follows And my answers to the…
Gerhard Janse van Rensburg
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