en
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

To add favorites to a list, you must be logged in to your account.

Login Register

Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Subnet Mask

A 32-bit number to specify which part of an address is the network number, and which part is the host address. When written in binary notation, each bit written as 1 corresponds to 1 bit of network address information. One subnet mask applies to all IP devices on an individual IP network.

Let's stay in touch!

Get the latest network test, monitoring and analytics news!

Thank you.