I bought vps on santrex.net but can't receive any reply from support. My Problem: I have 5 ip but it pings only 1!!! I can't setup DNS because I need 2 ip minimum .

Could you help me to activate other my IPs?

root@spnova:~# ifconfig
eth0      Link encap:Ethernet  HWaddr aa:00:b9:4f:19:01
          inet addr:188.72.240.100  Bcast:188.72.240.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:163342 errors:0 dropped:0 overruns:0 frame:0
          TX packets:13585 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:32862185 (32.8 MB)  TX bytes:15189036 (15.1 MB)

eth0:0    Link encap:Ethernet  HWaddr aa:00:b9:4f:19:01
          inet addr:188.72.240.101  Bcast:188.72.240.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

eth0:1    Link encap:Ethernet  HWaddr aa:00:b9:4f:19:01
          inet addr:188.72.240.102  Bcast:188.72.240.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

eth0:2    Link encap:Ethernet  HWaddr aa:00:b9:4f:19:01
          inet addr:188.72.240.103  Bcast:188.72.240.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

eth0:3    Link encap:Ethernet  HWaddr aa:00:b9:4f:19:01
          inet addr:188.72.240.104  Bcast:188.72.240.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:11885 errors:0 dropped:0 overruns:0 frame:0
          TX packets:11885 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:8124693 (8.1 MB)  TX bytes:8124693 (8.1 MB)



root@spnova:~# nano /etc/network/interfaces
# Auto generated eth0 interfaces
auto eth0 lo
iface eth0 inet static
        address 188.72.240.100
        netmask 255.255.255.0
        up route add -net 188.72.225.0 netmask 255.255.255.0 dev eth0
        up route add default gw 188.72.225.1
iface lo inet loopback

auto eth0:0
iface eth0:0 inet static
        address 188.72.240.101
        netmask 255.255.255.0
auto eth0:1
iface eth0:1 inet static
        address 188.72.240.102
        netmask 255.255.255.0
auto eth0:2
iface eth0:2 inet static
        address 188.72.240.103
        netmask 255.255.255.0
auto eth0:3
iface eth0:3 inet static
        address 188.72.240.104
        netmask 255.255.255.0