server-identifier dhcp.shibuya.princo.org;
option domain-name-servers ns.shibuya.princo.org;
option domain-name "shibuya.princo.org";
ddns-update-style ad-hoc;
subnet 192.168.23.0 netmask 255.255.255.0 {
range 192.168.23.51 192.168.23.99;
option routers 192.168.23.254;
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.23.255;
default-lease-time 600;
max-lease-time 7200;
}