A collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. This package includes arp(8), hostname(1), ifconfig(8), ipmaddr, iptunnel, mii-tool(8), nameif(8), netstat(8), plipconfig(8), rarp(8), route(8) and slattach(8).

Please keep in mind that most net-tools programs are obsolete now:

programobsoleted by
arpip neigh
ifconfigip addr
ipmaddrip maddr
iptunnelip tunnel
routeip route