netmask ☆

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Description:
IP address netmask generation utility

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: networking ip-address subnet cli utility

Install: brew install netmask

About:
Netmask is a command-line utility for calculating network masks and generating lists of IP addresses within a given subnet. It simplifies network address management tasks by providing straightforward syntax for defining IP ranges and determining broadcast addresses. The tool is particularly useful for network administrators needing to quickly parse or generate subnet information.

Key Features:

Calculates network masks and broadcast addresses
Generates lists of IP addresses within a subnet
Parses and expands IP address ranges
Simple command-line interface

Use Cases:

Generating IP address lists for network device configuration
Calculating subnet details for network planning
Parsing IP ranges from legacy network documentation

Alternatives:

ipcalc – Provides similar subnet calculation features but with a different output format and additional network analysis tools
sipcalc – Offers more advanced IPv6 support and detailed subnet analysis compared to netmask

Version History

Detected	Version	Rev	Change	Commit
Sep 15, 2025 7:51am		0	VERSION_BUMP	e07e8ce3