Mine

  GNU nano 2.0.2          File: /etc/dhcp3/dhcpd.conf

#option domain-name-servers 145.253.2.75, 193.174.32.18;

#default-lease-time 86400;
#max-lease-time 604800;

#authoritative;

subnet 192.168.0.0 netmask 255.255.255.0 {
        range 192.168.0.30 192.168.0.49;
        filename "pxelinux.0";
        option subnet-mask 255.255.0.0;
        option broadcast-address 192.168.0.255;
        option routers 192.168.0.23;
}