----- Original Message ----- From: Pedro Corte-Real <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, September 17, 2001 6:34 AM Subject: Re: Ingress filtering
> On Monday 17 September 2001 01:17, Jim Breton wrote: > > On Mon, Sep 17, 2001 at 12:50:26AM +0100, Pedro Corte-Real wrote: > > > But how do I translate this to net/num format? > > > > http://jodies.de/ipcalc > > > I used that tool and confirmed that two of the networks are 192.168.0.0/16 > and 10.0.0.0/8. But the third one I thought was 172.16.0.0/11 but this > resolves to 172.0.0.1-172.31.255.254 instead of 172.16.0.1-172.31.255.254. > > What did I do wrong? 172.16.0.0/12 > > Is this kind of filtering right to begin with? > I've been using this kind of filtering for more than a year and haven't had any problem which had something to do with it so far. Of course, I'm not a guru in the subject :) Mikhail.

