[NTLUG:Discuss] OT slightly

Sun Mar 9 06:42:35 CST 2003

On Fri, 7 Mar 2003, Jay Urish wrote:

> At 06:56 PM 3/7/2003 -0600, you wrote:
> >OT slightly - when someone expresses a network as "63.83.66.0/24" what are 
> >they saying?
> 
> They are saying that it has a 255.255.255.0 netmask and can hold 255 hosts.

Actually 254 hosts. With a 24-bit mask 63.83.66.0 represents the subnet itself 
and 63.83.66.255 represents the broadcast address.

Depending on how an internal network is subnetted and routed, there may be
other host addresses that should be avoided, or used as only a last resort.
But that leads to a very deep and legthy discussion of subnet design...

/Mark/Bickel