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Subnet Mask

nounid 4269·updated May 9, 2026
verified

A subnet mask (or number) is used to determine the number of bits used for the subnet and host portions of the address. The mask is a 32-bit value that uses one-bits for the network and subnet portions and zero-bits for the host portion.

MWE

Attested in

No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.

Classifications

Entity Type

Network95%rule-basedr:entity.network.gear.v1

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
Subnet Masks
possessive
Subnet Mask's
pluralpossessive
Subnet Masks'

Framework definitions

SANS Glossary of Security Terms1 senseview framework →
§1
A subnet mask (or number) is used to determine the number of bits used for the subnet and host portions of the address. The mask is a 32-bit value that uses one-bits for the network and subnet portions and zero-bits for the host portion.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
A subnet mask (or number) is used to determine the number of bits used for the subnet and host portions of the address. The mask is a 32-bit value that uses one-bits for the network and subnet portions and zero-bits for the host portion.
DR-088 backfill from the noun definition column

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.