ipcalc ☆

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Description:
Calculate various network masks, etc. from a given IP address

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: networking cli ipv4 ipv6 subnet sysadmin

Install: brew install ipcalc

About:
ipcalc is a command-line utility for performing network calculations based on an IPv4 or IPv6 address. It provides detailed information about network masks, broadcast addresses, and address ranges. The tool is useful for network engineers and system administrators to quickly validate network configurations.

Key Features:

Supports both IPv4 and IPv6 address calculations
Outputs network class, netmask, broadcast, and host ranges
Provides CIDR notation conversion and validation
Color-coded output for better readability

Use Cases:

Validating subnet configurations for server deployments
Calculating address ranges for firewall rules
Converting between subnet mask formats

Alternatives:

ipcalc-ng – Modern fork with IPv6 support and additional features
netmask – Focuses on converting netmasks between different formats

Version History

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