255 is 2 raised at 8 power. There are 3 of 255. This means 24.. Oh, sorry, my english doesn't permit me to explain better. Teddy's Center: http://teddy.fcc.ro/ Mail: orasnita at home.ro ----- Original Message ----- From: "Gregory Nowak" <greg@xxxxxxxxxxxxxxxxxx> To: <speakup at braille.uwo.ca> Sent: Sunday, August 18, 2002 2:10 AM Subject: determining the netmask > Hi all. > > I know that a netmask of 255.255.255.0 is a 24-bit netmask. I also know that 8 bits is a byte. However, I don't understand how it is determined that 255.255.255.0 is a 24-bit netmask. Can someone please explain this? Thanks in advance. > Greg > > > _______________________________________________ > Speakup mailing list > Speakup at braille.uwo.ca > http://speech.braille.uwo.ca/mailman/listinfo/speakup >