ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.
One of a set of tools we're offering as a way to say thank you for being a part of the community.
when you subnet you steal bits intended for the hosts and add them to the network bits -- so you have more networks and less hosts on each network as a result.
does this help at all?
reference : CCNA Cisco certified network associate study guide (exam 640-802)