Re: Ingress filtering

[Pedro Corte-Real <typo@netcabo.pt>]

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?

Is this kind of filtering right to begin with?