10.20.10.1 is my phone gateway
10.20.42.254 is private network gateway
on Windows
route delete 0.0.0.0
route add 0.0.0.0 mask 0.0.0.0 10.20.10.1
route add 10.20.41.0 mask 255.255.255.0 10.20.42.254
route add 10.22.131.0 mask 255.255.255.0 10.20.42.254
on MAC
sudo route -n flush
sudo route add -net 0.0.0.0 10.20.10.1
sudo route add -net 10.20.41.0/0.255.255.255 10.20.42.254
sudo route add -net 10.22.131.0/0.255.255.255 10.20.42.254
netstat -rn
on Ubuntu
sudo route del -net 0.0.0.0 gw 10.20.42.254 netmask 0.0.0.0;
sudo route add -net 10.20.41.0 gw 10.20.42.254 netmask 255.255.255.0;
sudo route add -net 10.22.131.0 gw 10.20.42.254 netmask 255.255.255.0;
