aggregate ☆

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Description:
Optimizes lists of prefixes to reduce list lengths

Type: Formula | Latest Version: 1.6@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: networking ip-address prefix routing cli utility

Install: brew install aggregate

About:
Aggregate is a command-line utility designed to optimize lists of IP address prefixes by merging adjacent or overlapping ranges. It processes input streams of network prefixes and applies a longest prefix match algorithm to produce the smallest possible set of covering prefixes. This significantly reduces the size of routing tables or access control lists, improving efficiency in network configuration and management.

Key Features:

Merges adjacent and overlapping IP prefixes efficiently
Supports both IPv4 and IPv6 address spaces
Processes standard input/output for easy scripting integration
Produces minimal set of covering prefixes

Use Cases:

Summarizing large BGP routing tables for more efficient filtering
Optimizing firewall rules and access control lists (ACLs)
Consolidating IP address ranges for network documentation

Alternatives:

netaddr – Python library offering broader IP manipulation features but requires scripting
iprange – Similar CLI tool with comparable prefix merging capabilities

License: ISC

Bottles available for: arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, arm64_big_sur, sonoma, ventura, monterey, big_sur, catalina, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 14, 2024 10:31pm		0	VERSION_BUMP	1849d832