Dividing a network into smaller subgroups. See subnet and subnet mask.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- IPMaster 1.5 (Windows)
- IPMaster is IP address management software. It provides visual IP address assignment network topology tree, automatic subnet calculation, mask calculation, subnetting, network segment scanning, host monitoring, ping, traceroute, telnet, and netsend. It supports VLSM and CIDR. The purpose of this software is to assign and manage IP address efficiently for...
- Software downloads 2009-10-22
- CiscoKits CCNA Subnet Calculator 1.0 (Windows)
- CiscoKits is pleased to offer to you completely free our own CCNA Subnet Calculator that you can download and use to help you prepare for your Cisco certification exams. Subnetting is one of the key concepts on the Cisco CCNA certification exam. So you need to know it inside and...
- Software downloads 2009-09-19
- Subnetting Shortcuts
- One of the most challenging topics for many IT Professionals is subnet masking. This white paper will de-mystify the math behind subnetting, and provide examples of shortcuts that bypass the need for binary when doing calculations involving subnet masks.
- White papers 2009-08-21
- Network+ Prep Course
- View Available Dates and LocationsCompTIA's Network+ is the premier vendor-neutral networking certification. Our Network+ Prep Course is designed to provide the foundation you need not only to be productive on the job but also to be successful in more specialized topics and in your pursuit of vendor-specific...
- Training 2009-05-01
- TCP/IP Networking
- View Available Dates and LocationsTCP/IP is the globally accepted group of protocols at the core of the Internet and organizational intranets. A solid understanding of each of these protocols and how they work will give you the ability to deploy the most effective network for your organization....
- Training 2008-01-01
- ICND1 - Interconnecting Cisco Network Devices 1
- View Available Dates and LocationsIn this comprehensive 5-day Authorized Cisco course, develop a practical understanding of the operation of modern TCP/IP networks built with Cisco hardware. Learn the commands and techniques used to troubleshoot host connections, interact with Cisco switches and routers, back up and restore ...
- Training 2008-01-01
- Network+ Boot Camp
- View Available Dates and Locations Certifications provide a proven framework for mastering complex topics in IT, complete with industry-standard exams that deliver an impartial assessment of your skills. CompTIA's Network+ is the premier vendor-neutral networking certification. Our Network+ Boot Camp is designed to provide the...
- Training 2008-01-01
- CCNA Boot Camp v2.0
- View Available Dates and LocationsOur unique CCNA training course combines five days of intensive hands-on classroom activity with pre- and post-course activities to ensure your success on the 640-802 CCNA certification exam and prepare you to obtain Cisco's new CCNA Concentrations. This exclusive CCNA training course includes a CCNA exam...
- Training 2008-01-01
- IP Subnet Calculator for IPv4 and IPv6 1.1.2007.1126 (Mac)
- Input an IP address and choose one of the following: number of subnet bits, the maximum number of desired subnets, the number of host bits, or the maximum number of desired hosts. The calculator gives you a bit-by-bit address visualization and generates a complete table of subnets. CIDR allows multiple...
- Software downloads 2007-12-19
- IP Subnet Calculator for IPv4 and IPv6 1.02 (Windows)
- Input an IP address and choose one of the following: number of subnet bits, the maximum number of desired subnets, the number of host bits, or the maximum number of desired hosts. The calculator gives you a bit-by-bit address visualization and generates a complete table of subnets. CIDR allows multiple...
- Software downloads 2007-11-06
- Solving the Mysteries of Subnetting
- Subnetting is a complicated topic that has confused students for a very long time. However, subnetting is an important topic for many different certifications with various vendors, including Cisco.
- White papers 2007-04-05
- Simple Tricks to Ace the Subnetting Portion of Any Certification Exam
- Subnetting seems to be a battle of fighting bits, decimal numbers, and countless methods and processes to convert from one to the other. While the methods may be confusing, the mathematics behind them is the same for all. In this paper, you will learn some of the simpler ways to...
- White papers 2006-11-01
- Reliable Subnet Calculator 1.1 (Windows)
- Reliable Subnet Calculator is a security solution that allows one to quickly calculate subnet mask for a given IP address range. Necessity to accurately calculate subnet mask can be a very tedious task for individuals lacking thorough understanding of IP addressing, subnetting and other networking concepts. Reliable Subnet Calculator is...
- Software downloads 2006-10-28
- Easy way to learn IP subnetting
- Easy way to learn IP subnettingMost ExcellentThanks George.Win2K ignores Mask to reach GatewayMicrosoft Windows 2000 ignores the Subnet Mask to reach the Gateway.We host our web servers at an ISP. The original server is running Microsoft Windows 2000. Several years ago, we added a Linux server. I...
- Discussion threads 2006-06-28
- Easy way to learn IP subnetting
- Here is something I've been meaning to write for some time. IP subnetting is one of those topics that is useful for any IT person, especially network engineers or anyone who deals with Operating Systems.I've helped many friends on this topic over the years, but I finally turned this...
- Blog posts 2006-06-28
- IP subnetting made easy
- IP subnetting is a fundamental subject that's critical for any IP network engineer to understand, yet students have traditionally had a difficult time grasping it. After years of watching confused students struggle through school and in practice when dealing with subnetting, TechRepublic's George Ou created a simple, graphical approach that...
- Download resources 2006-06-28
- IPCalc 0.5 (Mac)
- IPCalc is a subnet calculator. It leverages the amazing SipCalc as it's engine. The app is geared toward IT professionals and people who want to learn about IP subnetting. The basic input elements are: An IP address, expressed as xxx.xxx.xxx.xxx (e.g. 192.168.125.100) A subnet mask, expressed as dotted decimal xxx.xxx.xxx.xxx...
- Software downloads 2006-03-10
- CCNA Exam Cram: Concepts in IP Addressing
- The CCNA exams require a near-perfect fluency in subnetting. Success requires speed and accuracy in answering the many questions one will see on this topic. The key to this level of fluency is practice - one must work at own skills until they become second nature. This paper discusses binary...
- White papers 2006-01-13
- Create an efficient IP plan with variable-length subnet masking (VLSM)
- This sample chapter, taken from CCNA Portable Command Guide, teaches you the power of variable-length subnet masking VLSM. Variable-length subnet masking VLSM is the more realistic way of subnetting a network to make for the most efficient use of all of the bits.This sample chapter, taken from...
- Book chapters 2005-12-05
- Threats to Linux: Expertise and acceptance
- Threats to Linux: Expertise and acceptanceLarge Solaris installationsUNIX was the be-all, end-all of computing in the 90's. Client-server was the rage, and Sun and HP and LATER IBM were happy to oblige. These installations never delivered the promise, so mainframes didn't die like they should have, and Windoze worked themselves...
- Discussion threads 2005-07-19
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