class Faker::Internet

def private_nets_regex
  [
    /^10\./,                                       # 10.0.0.0    - 10.255.255.255
    /^100\.(6[4-9]|[7-9]\d|1[0-1]\d|12[0-7])\./,   # 100.64.0.0  - 100.127.255.255
    /^127\./,                                      # 127.0.0.0   - 127.255.255.255
    /^169\.254\./,                                 # 169.254.0.0 - 169.254.255.255
    /^172\.(1[6-9]|2\d|3[0-1])\./,                 # 172.16.0.0  - 172.31.255.255
    /^192\.0\.0\./,                                # 192.0.0.0   - 192.0.0.255
    /^192\.168\./,                                 # 192.168.0.0 - 192.168.255.255
    /^198\.(1[8-9])\./                             # 198.18.0.0  - 198.19.255.255
  ]
end