How it configured in your system? In our hoting server projects in can be confugred at config /usr/local/ispmgr/etc/ipmgr.conf such as:
Code:
Perm ispuser primary 122.119.2.0/24
Perm ispuser alias 122.119.2.0/24
and IP's from net 122.119.2.0/24 can be used as primary and as alias.