
> From: Gaetano Mendola [mailto:mendola@bigfoot.com]
> 
> I think I have to discard also the addresses with last octet 
> equal to 256.
> 
> Any comments ?
> 

Any octet that contains a number less than 0 or greater than 255 should be
suspect. 

Assuming you really meant 255:

It would be perfectly legal for an entity on the internet to have a block of
addresses with a subnet mask of less than 24 bits, which leads to legal
addresses that end in 255.

For example, if your company/university/black helicopter squad needed about
500 servers with direct presence, you might be assigned a block like
123.45.6.0/23. So the network address would be 123.45.6.0, the broadcast
address would be 123.45.7.255, and everything in between, including
123.45.6.255 and 123.45.7.0, would be available for your servers.

HTH, 

Paul



Mon, 17 May 2004 12:00:30 -0400
"Bort, Paul" <pbort@tmwsystems.com>
Re: Email data type