ISC dhcpd leases usage analysis

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This is dhcpd-pools ISC dhcp shared network and pool range usage analysis. Purpose of command is to count usage ratio of each IP range and shared network pool which ISC dhcpd is in control of. Users of the command are most likely ISPs and other organizations that have large IP space.

Program is written C. Design goal is to get analysis done quickly where there is lots of data. On cheap laptop the speed of analysis is roughly 100k leases per second. Number of ranges, or shared networks, does not make any significant difference in getting analysis done.

dhcpd-pools Web Site


Log Analysis


BSD License


  • Fast analysis results
  • Various output formats; text, html, xml, csv, json
  • Can be used as Nagios plugin
  • Support for DHCPv6 (IPv6) leases
  • Integrated with gnulib, e.g., should work with most operating systems

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Additional Project Details



Intended Audience

Information Technology, Quality Engineers, System Administrators, Telecommunications Industry

User Interface

Command-line, Web-based

Programming Language



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