/etc/sysconfig/networking/devices
[root@xxxx devices]# ls
ifcfg-eth0  
---------------------------
DEVICE=eth0
BOOTPROTO=none
HWADDR=00:1d:13:a0:34:5B
ONBOOT=yes
DHCP_HOSTNAME=ol.juanperez.com
IPADDR=75.88.178.130
GATEWAY=75.88.178.129
NETMASK=255.255.255.248
TYPE=Ethernet


ifcfg-eth0_range0
---------------------------
DEVICE=eth0
BOOTPROTO=none
HWADDR=00:1d:13:a0:34:5B
ONBOOT=yes
DHCP_HOSTNAME=ol.juanperez.com
IPADDR_START=75.88.178.131
IPADDR_END=75.88.178.134
CLONENUM_START=0
GATEWAY=75.88.178.129
NETMASK=255.255.255.248
NO_ALIASROUTING=yes
TYPE=Ethernet