arp-scan-rs ☆

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Description:
ARP scan tool written in Rust for fast local network scans

Type: Formula | Latest Version: 0.14.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: networking scanning rust security cli

Install: brew install arp-scan-rs

About:
arp-scan-rs is a high-performance network discovery tool implemented in Rust. It sends ARP requests to specified IP ranges and parses responses to identify active hosts and their MAC addresses. Its key value proposition is delivering the functionality of traditional ARP scanners with significantly improved speed and efficiency via modern system programming.

Key Features:

High-speed scanning leveraging Rust's performance
Parses ARP packets to discover active hosts on local network
Displays MAC addresses and vendor names for discovered devices
Supports custom IP ranges and network interfaces

Use Cases:

Network inventory and asset discovery for system administrators
Security auditing to identify unauthorized devices on a LAN
Troubleshooting network connectivity issues

Alternatives:

arp-scan – The standard GNU utility; arp-scan-rs aims to provide similar functionality with better performance and memory safety.
nmap – A comprehensive network scanner; arp-scan-rs is a specialized, lightweight tool specifically for Layer 2 ARP discovery.

License: AGPL-3.0-or-later

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 13, 2025 8:10am		0	VERSION_BUMP	9495c4fa