# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto ens18
iface ens18 inet static
        address 51.83.150.2xx
        netmask 255.255.255.255
        broadcast 51.83.150.2xx
        post-up route add 145.239.133.254 dev ens18
        post-up route add default gw 145.239.133.254
        post-down route del 145.239.133.254 dev ens18
        post-down route del default gw 145.239.133.254