Get all IPs addresses using Elixir

IPCluster.exs

defmodule IPCluster do
  def get_inet(), do: elem(:inet.getif(), 1)
  def get_ip_list([]), do: []
  def get_ip_list([h|t]) do 
    {ip, _bcast, mask} = h
    [[Tuple.to_list(ip), Tuple.to_list(mask)] | get_ip_list(t)]
   end
  def ip_list([]), do: []
  def ip_list([h|t]) do
  	  [Enum.at(h,0) | ip_list(t)]
  end
end

IPCluster.get_inet() |> 
    IPCluster.get_ip_list() |>
    IPCluster.ip_list()

a = 192
b = 168
c = 0..255
d = 1..254

ips = for x <- c, y <- d, do: [a, b, x, y]
Enum.slice(ips, (length(ips) - 10), 10)