Adding IP Range in CentOS 6
To add an IP range in CentOS 6 server, create file
vi /etc/sysconfig/network-scripts/ifcfg-eth0-range0
Add
IPADDR_START=67.198.150.171 IPADDR_END=67.198.150.174 CLONENUM_START=0
Replace IP with your actual start and end IP.
Restart network service with
service network restart