shleases - Displays a DHCP client's IP address leases.
The shleases command reads the file that contains information about a
client's leases and displays its contents on stdout. By default this file
is /etc/join/leases. There are as many leases as there are interfaces which
JOIN has configured. A lease is identified by the name of the interface
(for example, ln0) and the IP address assigned to it. It is characterized
by a start time, an expiration time, and the IP address of the server which
granted the lease.