Gateway: 192.168.8.1
Dhcp: 192.168.8.1
DNS: 192.168.8.1

root@orangepizero:~# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         -               255.255.255.0   !     0      -        0 -
192.168.8.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0

root@orangepizero:~# cat /etc/network/interfaces
auto lo
iface lo inet loopback

iface eth0 inet dhcp
 gateway 192.168.8.1
 netmask 255.255.255.0

auto wlan0
 iface wlan0 inet dhcp
 wpa-ssid *****
 wpa-psk *****

eth0      Link encap:Ethernet  HWaddr e6:f5:19:a6:1b:e6
          inet addr:192.168.8.121  Bcast:192.168.8.255  Mask:255.255.255.0
          inet6 addr: fe80::e4f5:19ff:fea6:1be6/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:237 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:10602 (10.3 KiB)
          Interrupt:114

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
 0.0.0.0         192.168.8.1     255.255.255.0   UG    600    0      0   eth0