juliana.rb

# encoding: UTF-8

require 'rubygems'
require 'csv'
require 'geocoder'

ips = CSV.read('ip.csv')
total = ips.length
decoded_ips = []

ips.each_with_index do |ip, index|
  decoded = Geocoder::search(ip.first).first
  puts "Decoded #{index} OF #{ips.length}"
  row = [ip.first, decoded.data['country_name'], decoded.data['region_name'], decoded.data['city']]
  decoded_ips << row
end

CSV.open 'result.csv', 'wb' do |file|
  decoded_ips.each { |row| file << row }
end