Glossary

The Complete Glossary of Networking, Cybersecurity, and Cyberwarfare Terms

443 plain-English definitions, from 3G to zero-day exploits. Each term explains how it works, why it matters, and where ZeroTier fits.

Subnet Mask

Definition

A 32-bit mask used to divide an IP network into subnets, indicating which portion of the address is network and which is host.