On Tue, Apr 30, 2019 at 10:29 AM Dale <rdalek1...@gmail.com> wrote: > Adam Carter wrote: > > Using classes is pretty old terminology. IETF introduced CIDR in '93! Yes, > I still catch myself doing it too. > > > But I understand what classes was. If CIDR replaced the word classes, I > would have had to google or ask what the heck that is. lol >
CIDR moved Internet routing away from fixed 8, 16 and 24 bit netmasks. The <netid>/<netmask bits> representation is CIDR.
