network  like so

 The primary network interface
auto eth0
iface eth0 inet static
address 192.168.1.50
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.64

when i ping 
ping -c4 192.168.1.64

from 192.168.1. 50 icm sq 9 destination host unreachable




route -nee

destinastion gateway genmask flags metric ref us Iface window
192.168.1.0 0. 0.0.0.0 255.255.255.0 u 0 0 0 eth0 0
00 0 0 192.168.1.64 0.0. 0.0.0 ug 0 0 0 etho


192.168.1.0 =destination
192.168.1.64= gateway

genmask=255.255.255.0