Generate a random IP in ruby

random_ip.rb

#!/usr/bin/env ruby

require 'ipaddr'

family = Socket::AF_INET

subnet_range = IPAddr.new("8.0.0.0/8", family).to_range
from = subnet_range.first(2).last
to = IPAddr.new(subnet_range.last.to_i - 2, family)

puts "From: #{from}"
puts "To: #{to}"

random_ip = IPAddr.new(rand(from.to_i..to.to_i), family)

puts "Random IP: #{random_ip}"