You'll need at least one ipv4 address to hide your customers behind when they access an ipv4 network. An ipv4 address costs $30 to purchase at a /24 level, les

You'll need at least one ipv4 address to hide your customers behind when they access an ipv4 network. An ipv4 address costs $30 to purchase at a /24 level, less in larger amounts. If you are providing service to a customer that's $2.50 a month for a year.