From: Sai Hl <cyril.wack@...>
Date: 2009-03-02T08:00:36+09:00
Subject: Re: Gets the broadcast address of an IP address

Brian Candler wrote:
> This is messier than it should be, but:
> 
> require 'ipaddr'
> n = IPAddr.new("192.168.0.101/24")
> p n | (~n.instance_variable_get(:@mask_addr) & IPAddr::IN4MASK)
> 
> Or maybe you could just broadcast to the all-ones address 
> (255.255.255.255)

Yes, I had use the broadcast address ;)
Finaly it's simple and efficient. But I think I will try your first 
solution after to.

Thanks
-- 
Posted via http://www.ruby-forum.com/.