192.168.0.1/24

[David Stanford]

Hello Huy Ton That,

The "/24" is the bitmask. As stated previously, it's basically a shorter
notation than having to write out the whole subnet mask (i.e. 255.255.255.0)
associated with the IP address. Unfortunately, attempting to explain the
whole concept of netmasks is just too time consuming for a mailing list and
you really have to have an understanding of the Base 2 (binary) numbering
system to fully grasp the logic behind it. However, I will mention since you
will often see networks networked at a classful boundary, whenever you see
"/8", "/16", "/24", or "/32", this represents the networks
192.[1-254].[1-254].[1-254], 192.168.[1-254].[1-254], 192.168.1.[1-254], and
192.168.1.1 respectively*.

* 192.x.x.x scheme is just for example and does not mean it has to be this
network.

-David

On 3/7/06, Petre Bandac <petre at kgb.ro> wrote:
>
> On Tue, 7 Mar 2006 10:29:18 -0500 Anno Domini, the honourable Huy Ton
> That wrote using one of his keyboards:
>
> > Reading the handbook and I've seen /24 appended to an IP address
> > often.  I'm curious what this exactly means - I don't have strong
> > networking skills; does this define what ip it goes up to?
> >
> > 192.168.0.1 through to 192.168.0.24?
>
> you may want to install /usr/ports/net-mgmt/cidr
>
> 192.168.0.0/24 is the whole class C, i.e. from 1 to 254 (0 being the
> network address and 255 being the broadcast address)
>
> http://www.kgb.ro/netmasks
>
> > _______________________________________________
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>
> --
>
> Petre Bandac
>
> Network Scientist
>
> -
> petre at kgb.ro
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