Netmask
nouncandidate·updated May 12, 2026
32-bit number indicating the range of IP addresses residing on a single IP network/subnet/supernet. This specification displays network masks as hexadecimal numbers. For example, the network mask for a class C IP network is displayed as 0xffffff00. Such a mask is often displayed elsewhere in the literature as 255.255.255.0.
SANS Glossary of Security Terms
Classifications
Entity Type
Network0%rule-basedmulti_axis_classifier_low_confidence.v1
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Sensitivity
—85%llm-generatedllm:claude-haiku-4-5
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Information Class
—90%llm-generatedllm:claude-haiku-4-5
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Variants
- plural
- Netmasks
- possessive
- Netmask's
- pluralpossessive
- Netmasks'