Network - Subnet (Network Range)
Table of Contents
1 - About
A subnet is technically a division of an network by range of ip address
In the internet age, all networks may be considered as subnet.
It is used to represent a subnet of hosts which can be reached over a network interface.
2 - Articles Related
3 - Notation
A SubNet is a partially qualified internet address in numeric (dotted quad) form, optionally followed by a slash and the netmask, specified as:
- the number of significant bits. See Classless Inter-Domain Routing (CIDR)
All hosts on a subnet have the same mask.
4 - Example
4.1 - The world
0.0.0.0/0
5 - Type
5.1 - Private
A private subnet has no Internet access and can host the backend systems such as databases or application servers.
5.2 - Public
A public subnet send and receive traffic directly from the internet.
See Network - Public Network
6 - Management
6.1 - Size
The maximum size of a network is given by the number of addresses that are possible with the remaining, least-significant bits below the mask prefix. See the mask table
6.2 - Partition
Network - Partition
6.3 - Bind
You can bind a whole subnet on one machine. See subnet binding