root@vps43466:~# ip route show

default via 37.XXX.87.254 dev eth0
37.XXX.87.0/24 dev eth0 proto kernel scope link src 37.XXX.87.144
192.168.168.0/30 dev gre1 proto kernel scope link src 192.168.168.1


root@vps43466:~# wget --bind-address=37.XXX.235.157 -qO- http://ipecho.net/plain ; echo

37.XXX.87.144


inside networking config -

eth0      Link encap:Ethernet  HWaddr 02:YY:90
          inet addr:37.XXX.87.144  Bcast:37.XXX.87.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:453668279 errors:0 dropped:34042 overruns:0 frame:0
          TX packets:793710446 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:92408895015 (92.4 GB)  TX bytes:130910031665 (130.9 GB)


eth0:2    Link encap:Ethernet  HWaddr 02:YY:90
          inet addr:37.XXX.235.157  Bcast:37.XXX.235.157  Mask:255.255.255.255
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1


*.144 is the main ip
*.157 is a failover ip