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Angry IP Scannermasscan
Free

Free and open source under GPL v2.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Windows, macOS, Linux macOS, Linux, Command line
  • 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
  • Uses a high-throughput command-line scanning engine.
  • 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
  • High packet rates can overwhelm networks if poorly configured.
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: AGPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked September 22, 2026

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