Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         10.0.0.1        0.0.0.0         UG    0      0        0 eth0
10.0.0.0        *               255.255.240.0   U     0      0        0 eth0
10.2.0.0        169.254.255.2   255.255.0.0     UG    0      0        0 tun0
10.3.0.0        169.254.255.2   255.255.255.0   UG    0      0        0 tun0
169.254.255.2   *               255.255.255.255 UH    0      0        0 tun0

VPC1 -> 10.0.0.0/16
VPC2 -> 10.2.0.0/16
VPC3 -> 10.3.0.0/24
VPC4 -> 10.1.0.0/16