How to calculate subnet masks in IPv6

Find out from our IPv6 (Internet Protocol Version 6) expert whether or not calculating a subnet mask in IPv6 is different than calculating a subnet mask in IPv4.

Silvia Hagen, Sunny Connection AG

Can you tell me how to calculate subnet masks in IPv6?

You calculate IPv6 subnet masks the same way as you would in... IPv4. For more information on how to do this, you can check out SearchNetworking.com's Crash Course on the fundamentals of IP addressing and subnetting or this tip from David Davis on how to calculate a subnet mask using the subnet's formula.

This was last published in December 2008

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IP addressing and subnetting: Calculate a subnet mask from hosts and subnets IP addressing and subnetting are important and basic elements of networks. In this article, learn how to calculate a subnet mask based on the required number of subnets and hosts.

subnet mask (subnetting) A subnet mask is a 32- or 128-bit number that segments an existing IP address in a TCP/IP network and divides that address into discrete network and host addresses.

IP subnetting: How to calculate subnet masks Check out IP subnetting shortcuts on how to do subnet mask calculations and break down IP address classes to route traffic within your network.

variable-length subnet mask (VLSM) Definition: Learn what a variable-length subnet mask (VLSM) is and how it allows network engineers to reduce the number of wasted IP addresses in each subnet.

Calculating subnets for IP addresses in IPv6 Understand how subnetting in IPv6 differs from that of IPv4 and what you need to do in order to calculate the subnet of an IP address in IP version 6.

How does IPv6 subnetting work in LAN and VLAN network design? Learn the differences between IPv4 and IPv6 addressing and subnetting for local area network (LAN) and virtual LAN (VLAN) design in this expert advice.

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How to calculate subnet masks in IPv6

Find out from our IPv6 (Internet Protocol Version 6) expert whether or not calculating a subnet mask in IPv6 is different than calculating a subnet mask in IPv4.

Dig Deeper on Network management and monitoring

Related Q&A from Silvia Hagen

Slow rate of IPv6 adoption: True or false?

Running IPv6 over low-power devices with limited resources

ICMPv6: New message types and functionalities

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SearchUnifiedCommunications

AWS seeks niche in the cloud UC market

CPaaS market evolves to meet changing business needs

Zoom Chat update takes vendor further beyond video

SearchMobileComputing

How to install root CA certificates on iPhones and iPads

Evaluate Intune alternatives for mobility management

Deploy kiosk devices with the Managed Home Screen Android app

SearchDataCenter

Refresh your data center cooling lexicon

Comparing Linux distributions: Red Hat vs. Ubuntu

Get eco-friendly with LEED data center certification

SearchITChannel

LucidLink taps partners to boost file access service

4 SD-WAN vendors integrate with AWS Transit Gateway

Intel partner marketplace to drive ecosystem collaboration

Dig Deeper on Network management and monitoring

Related Q&A from Silvia Hagen

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