Compare software

cidripv6calc
Free

Free and open source under the MIT license.

 Free

Free and open source under the GNU GPL version 2.

Windows, macOS, Linux, Command line Linux, Command line
  • Handles both IPv4 and IPv6 ranges
  • Checks containment and overlapping ranges
  • Converts and calculates IPv4 and IPv6 address information
  • Includes tools for log conversion, anonymization and statistics
  • A command-line tool without a graphical interface
  • Some database features require separately stored databases or optional libraries
  • The project notes that the C program may have security weaknesses
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-2.0-only
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked October 8, 2026

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