How to change Hotspot IP of armbian

e.g. To change ip range of access point to 10.9.1.x/24

1. edit /etc/network/interface.d/armbian.ap.nat

address 10.9.1.1
netmask 255.255.255.0
network 10.9.1.0
broadcast 10.9.1.255

2. edit /etc/dnsmasq.conf

listen-address=10.9.1.1
dhcp-range=10.9.1.50,10.9.1.150,12h