What is the connection between IP addressing and subnetting?

An IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits).

What is subnetting of IP address?

A subnetwork or subnet is a logical subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting. This results in the logical division of an IP address into two fields: the network number or routing prefix and the rest field or host identifier.

What is the importance of IP addressing and subnetting?

We always reserve an IP address to identify the subnet and another one to identify the broadcast address within the subnet. Subnetting breaks up larger networks into small parts, which is more efficient and would conserve a great amount of addresses.

How does subnetting apply to an IP address?

The technical numbers behind class addressing are as follows: To subnet a network is to create logical divisions of the network. Subnetting, therefore, involves dividing the network into smaller portions called subnets. Subnetting applies to IP addresses because this is done by borrowing bits from the host portion of the IP address.

What does a subnet mask on an IP address mean?

Subnetting involves dividing the network into smaller portions called subnets. In a sense, the IP address then has three components – the network part, the subnet part and, finally, the host part. All a subnet mask does is indicate how many bits are being “borrowed” from the host component of an IP address.

How many IP addresses in a Class B subnet?

Class B IP addresses range from 128.0.0.0 to 191.255.255.255, with a default subnet mask of 255.255.0.0 (or /16 in CIDR). Class B addressing can have 16,384 (2 14 ) network addresses and 65,534 (2 16 ) usable addresses per network.

How to assign subnetworks in IP address range?

An example of how you might assign the subnetworks is: netA: 204.15.5.0/27 host address range 1 to 30 netB: 204.15.5.32/27 host address range 33 to 62 netC: 204.15.5.64/27 host address range 65 to 94 netD: 204.15.5.96/27 host address range 97 to 126 netE: 204.15.5.128/27 host address range 129 to 158