DSN remedy

You have a network that starts out with under 200 IP addresses needed. Due to growth, you have now expanded beyond that and have reached the capacity of your current DHCP subnet. How do you expand your subnet range for DHCP?

Many companies rely only on DNS from their ISP. However, for internal resources, the ISP DNS is not sufficient. How do you remedy this for your internal company network?

In a 1-2 page document, provide an assessment and recommendation based on the above details. Support your conclusions other resources. Include an APA-style reference page for any sources used.