IP Subnet Calculator | A Complete Guide to Subnetting

IP Subnet Calculator | A Complete Guide to Subnetting
3 min read

Do IP Subnet Calculators support IPV4 and IPV6?

IPV4 subnet calculator:

  • Class A (8 bits), Class B (16 bits), and Class C (24 bits) determine Its first bit determines its preferred Network class.
  • You can start using the example IP address immediately once you enter the IP address.
  • You can select the target Subnet from the dropdown box by selecting the Network class.
  • Once the Calculate button is clicked in AllCalculator.net’s IP Subnet Calculator, all the IP addresses and network values are displayed.

Calculate IPv4 Subnet using the following data:

  • IP address: An IPv4 address consists of four groups of octets separated by dots (.). Each octet is between 0 and 255 and is called an IP address. IPv4 addresses can support up to 232 IP addresses.
  • Classification of networks: Class A networks consist of IP addresses starting with 8 bits, Class B networks of the first 16 bits, and Class C networks of the first 24 bits
  • Subnet: A subnet consists of two parts: the mask and the CIDR

IPV6 subnet calculator:

  • You can use an example IPv6 address either by entering or by choosing from the list
  • Prefix Length can range from /1 to/128. You can choose from a variety of lengths
  • The Calculate button can be clicked once you are done

It only requires two properties to calculate the IPv6 Subnet:

  • An IPv6 prefix length is an integer between 1 and 128 octets. It is the same as an IPv4 subnet mask
  • A hexadecimal IP address consists of eight groups of sixteen bits, divided by colons (:), for a total of 168 bits

What is IP Subnet Calculator?

The IP subnet calculator can be used for the following things:

  • A subnet mask (or CIDR prefix) can identify subnet parameters for an IP address.
  • Specify the length and number of consecutive subnets to display subnet parameters for.

If you provide a CIDR non-decimal IP address (e.g.,10.1.1.5), a prefix length of /2 - /31 will be used as the Subnet mask.

Using Copy link - will copy the link to this page with all current data. The content of the subnet table will be copied to the clipboard.

In Internet Protocol, Classless Inter-Domain Routing assigns IP addresses and routes packets between domains.

A subnet's number of hosts: Generally, two hosts are reserved as network and broadcast addresses within a subnet. In the case of a /31 subnet with only two possible host identifiers, no usable addresses are available for host assignment if the same approach is applied. Hosts on point-to-point links can be assigned IP addresses with all-zero and all-ones using RFC3021: Using 31-Bit Prefixes on IPv4 Point-to-Point Links.

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