192.168.0.1/24

Pietro Cerutti pietro.cerutti at gmail.com
Tue Mar 7 15:35:27 UTC 2006


On 3/7/06, Huy Ton That <huyslogic at gmail.com> wrote:
> 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?

No,

It's a short notation for the subnet mask.
It means "most 24 significant bits set to 1"

so, 192.168.0.1/24 means:
192.168.0.1 netmask 255.255.255.0

Oftern it's used to explicitely tell that we're talking about a single
IP address:
192.168.0.1/32

Just matter of notation...

--
Pietro Cerutti
<pietro.cerutti at gmail.com>

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