Package dnsmasq-utils

Utilities for manipulating DHCP server leases

http://www.thekelleys.org.uk/dnsmasq/

Utilities that use the standard DHCP protocol to
query/remove a DHCP server's leases.

General Commands (Section 1)
dhcp_lease_time
Send a DHCPINFORM message to a dnsmasq server running on the local host and print (to stdout) the time remaining in any lease for the given address. The time is...
dhcp_release
A utility which forces the DHCP server running on this machine to release a DHCP lease. Send a DHCPRELEASE message via the specified interface to tell the local...