gmspro wrote: > 1.Why most of the addresses in class A are wasted? > 2.How the block of class C addresses are calculated? Hello, Hope this helps in your understanding: httphttp://computer.howstuffworks.com/question549.htm://computer.howstuffworks.com/question549.htm Phil -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines