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masscan vs Angry IP Scanner: catalog facts
masscan	Angry IP Scanner
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under GPL v2.
macOS, Linux, Command line	Windows, macOS, Linux
Uses a high-throughput command-line scanning engine.	Scans a local network or an internet range, by range, random selection or an address file Extensible through data fetchers for hostname, MAC address, ports and more
High packet rates can overwhelm networks if poorly configured.	Needs a Java runtime, which the packaged builds bundle but the bare jar does not The macOS build has been looking for a maintainer since 2019
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.