Address Resolution Protocol

nounid 1442·updated May 12, 2026

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Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address to a physical machine address that is recognized in the local network. A table, usually called the ARP cache, is used to maintain a correlation between each MAC address and its corresponding IP address. ARP provides the protocol rules for making this correlation and providing address conversion in both directions.

MWE

Classifications

per-axis with provenance

Entity Type

Network0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

—85%llm-generatedllm:claude-haiku-4-5

Information Class

—90%llm-generatedllm:claude-haiku-4-5

Variants

4 surface forms

acronym: ARP
plural: Address Resolution Protocols
possessive: Address Resolution Protocol's
pluralpossessive: Address Resolution Protocols'

Framework definitions

1 sense across 1 framework

SANS Glossary of Security Terms1 senseview framework →

§1: Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address to a physical machine address that is recognized in the local network. A table, usually called the ARP cache, is used to maintain a correlation between each MAC address and its corresponding IP address. ARP provides the protocol rules for making this correlation and providing address conversion in both directions.

Outgoing relationships

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