# File lib/fog/profitbricks/models/compute/ip_block.rb, line 31
        def save
          requires :location, :size

          properties = {}
          properties[:location] = location if location
          properties[:size]     = size if size
          properties[:name]     = name if name

          data = service.create_ip_block(properties)
          merge_attributes(flatten(data.body))
          true
        end