Stack Overflow
Stack Overflow

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

893 questions
-1
votes
1 answer

How to find Subnets and Hosts from given IP

I have been learning subnetting for my exam and I came through this question. but why it this? I first thought: 172.20.0.0 can have 254 subnets and 254 Hosts per each subnet. I obviously was wrong. can you please explain me how to get this?…
doniyor
  • 36,596
  • 57
  • 175
  • 260
-1
votes
2 answers

Rgd: Subnetting about 370 hosts on a /24 Network

Rgd: Subnetting about 370 hosts on a /24 Network I am doing subnetting for the following. There is a school, which got level 1 which is main lobby and 5 levels of classrooms ( level 2 to 6 ) I calculated that level 1 will use 161 hosts. Level 2-6 -…
user2017011
  • 93
  • 1
  • 1
  • 9
-1
votes
1 answer

Subnet, can i use host id is zero?

I am confused that can we use the ip address with host id is zero? Such as below subnet example: Address: 192.168.18.23 Netmask: 255.255.248.0 Hosts/Net: 2046 HostMin: 192.168.16.1 HostMax: 192.168.23.254 As the min host id is…
Samuel Lui
  • 159
  • 1
  • 1
  • 11
-2
votes
2 answers

IP Classes, What is and what isn't possible?

So, I've been looking on different websites, and using different subnet calculators, where in some cases it's possible and others it isn't possible. Are these IPs possible? Class A: 11.66.12.49/6 (Less than 8 network bits) Class B: 133.22.15.1/10…
Nicholas
  • 783
  • 2
  • 7
  • 25
-2
votes
0 answers

How to create multiple subnets on LAN with pfsense and configure DHCP

I have been looking to the documentation and for answers on online, but didn’t find anything conclusive. I have a pfSense router/firewall up and running, and I want to create multiple subnets. How to do that? Also, I want to configure DHCP to…
Louis.vgn
  • 149
  • 1
  • 1
  • 9
-2
votes
1 answer

Associating already existing Azure virtual network and subnet module to newly created NAT module - Terraform

I am working on creating NAT gateway in azure using terraform. I have existing virtual network having subnets which the virtual machines. I would like to associate this existing subnet with my NAT gateway. I have created a root module for my NAT…
reshma m nair
  • 1
  • 1
-2
votes
1 answer

Is there any way to get Network Address with subnet mask with python?

I am trying to scan my local area network information with python. Is there any way to get Network Address with subnet mask information to python? I want to get the Network Address (local network) and subnet mask information in the variables But…
Jay Chung
  • 13
  • 3
-2
votes
2 answers

What is a minimal-spanning subnet?

What is a minimal-spanning subnet? How do you find it for a given set of IPv4 addresses? I know the minimum spanning tree but what is the minimum spanning subnet? and how to find it by the given ipv4 addresses?
Himanshu Joshi
  • 95
  • 4
-2
votes
1 answer

What is `10.0.0.1/32` in networking?

What is the difference between 10.0.0.1/32 and 0.0.0.0/0 in networking? I am trying to fix this security issue by allowing all traffic through port 22 with cidr_block set to (0.0.0.0/0). After research, 10.0.0.1/32 appears to fix this. However, what…
Levijs
  • 1
  • 1
-2
votes
1 answer

Why can't I ping pc1 of subnet 1 from pc0 of subnet 0？

pc0(192.168.0.3/24) connect to the interface0(192.168.0.2/24),and the its default gateway is 192.168.0.2; pc1 connect to the interface1(192.168.1.3/24),and the pc1's default gateway is not set; I thought that pc0 could ping pc1, but it could…
DXRH
  • 1
  • 3
-2
votes
1 answer

/31 Subnets IP Address Range

Disclaimer: Basic to no knowledge here and I'm not sure I'm going to be able to get my question across here but here goes anyway. I understand in /24 subnet you will have (as an example) 10.0.0.1 to 10.0.0.254 . (I have basic awareness of why .0 and…
Duncan
  • 31
  • 6
-2
votes
2 answers

How to perfrom subnetting for class B private IP address?

Suppose you are assigned to design a LAN for an office having 8 departments. Each department will have 28 computers located in different rooms. Perform subnetting assuming class B private IP address.
k ho
  • 27
  • 6
-2
votes
1 answer

Getting error when I tries to use an array of multiple subnet in terraform

When I am trying to use multiple subnets it gives me the following error: And these are the tf related blocks: Please help
Shay Pinchasi
  • 131
  • 1
  • 1
  • 6
-2
votes
1 answer

Subnetting network Class B possible masks for maximum 120 hosts

I have an Ipv4 180.3.0.0 (class B, network bits reserved - 16bits). What are my possible subnet masks if i want my network to have at least 22 subnets and 120 maximum hosts? I can understand that i need to give 5 bits for 22 subnets and 7 bits for…
Demokles
  • 11
  • 2
-2
votes
1 answer

Why ip is not part of 115.64.4.0/22

For 115.64.4.0/22 why only b and d are correct I know it means the network has assigned the first 22 bits are assigned for host.. Can somoene explain me why only those 2 are part of it. Please help me. a. 115.64.8.32 b 115.64.6.255 c …
user16321566
1 2 3
…
59 60