Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         178.242.172.49  0.0.0.0         UG    0      0        0 wwan0
178.242.172.32  *               255.255.255.224 U     0      0        0 wwan0
192.168.0.0     *               255.255.255.0   U     0      0        0 eth0
192.168.4.0     *               255.255.255.0   U     0      0        0 usb0