Quick Start

EtherLyzer provides commands for identifying, inspecting, validating, and formatting Ethernet-related identifiers, as well as managing local IEEE registry data.

Main commands

Command	Purpose
whois	Identify IEEE vendors and organizations for MAC addresses.
inspect	Inspect an IEEE assignment and display registry, organization, range, and allocation details.
validate	Validate and normalize MAC addresses with optional diagnostics and filtering.
format	Normalize MAC address formatting with optional typo correction.
registries	Show local IEEE registry metadata and synchronization status.
sync	Synchronize the local IEEE registry database with upstream sources.

Identify a MAC address

etherlyzer whois 00:11:22:33:44:55

Inspect an IEEE assignment

etherlyzer inspect 00:11:22:33:44:55

Validate a MAC address

etherlyzer validate 00-11-22-33-44-55

Format a MAC address

etherlyzer format 001122334455

Inspect local registries

etherlyzer registries

Synchronize IEEE data

etherlyzer sync

Command help

Every command provides command-specific help:

etherlyzer <command> -h

For example:

etherlyzer whois -h