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ZDNet Dictionary Definition
- CIDR
- (Classless Inter-Domain Routing) An expansion of the IP addressing system that allows for a more efficient and appropriate allocation of addresses. The original class-based method used fixed fields...
- Full CIDR Definition >>
ZDNet Resources
- 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...
- Tags: IPv4, IPv6, Apple Macintosh, IP, Subnet, Bitcricket, CIDR, Networking, Telecommunications
- 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...
- Tags: IPv4, IPv6, IP, Microsoft Windows, Subnet, Bitcricket, CIDR, Networking, Telecommunications
- Software downloads 2007-11-06
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...
- Tags: Network Topology, Network, IP, IP Address, Microsoft Windows, Subnet, Softsession, IPMaster, Networking, Network Technology
- Software downloads 2009-10-22
- IPGadget 1.7 (Mac)
- IPGadget is a small calculator for verifying IPv4 address information. Given an IP address and network prefix size, IPGadget will show you: The subnet mask corresponding with the prefix size (eg "/24" = "255.255.255.0") The network address (ie, where the bits of the host portion are...
- Tags: Apple Macintosh, Network, Subnet, IPGadget, Networking
- Software downloads 2009-09-26
- 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...
- Tags: Microsoft Windows, Subnet, CiscoKits, Subnetting
- Software downloads 2009-09-19
- Pocket IP 1.02 (Mobile)
- is an IP calculator for Pocket PC. It performs complex bit mask operations, making tedious operations simple. Features include:Decimal/hex/binary conversions subnet masks and IDs CIDR masks Copy subnet ranges to clipboard (for importing into Pocket Word, Excel, or Inbox) Class masks and bit usages
- Tags: Mobile, IP, Subnet, Pocket PC, Network Technology, Networking, Handhelds, Hardware
- Software downloads 2009-07-10
- IP Calc 1.0 (Mobile)
- Enter the desired IP Address, then use the slider to select your subnet mask and every subnet related item is immediately calculated and displayed on one simple screen. IP Calc features instant mobile CIDR IPv4 calculations, displays network and broadcast addresses, subnet and Cisco Wildcard masks, the host range (HostMin...
- Tags: Mobile, Network, IP, Subnet, Paul Taylor, Networking
- Software downloads 2009-06-25
- Migrating to IPv6 on the Solaris OS
- The biggest difference between IPv4 and IPv6 is addressing, because IPv6 uses 128 bits for addressing compared to IPv4, which uses 32 bits. IPv6 can be used to specify 2 128 (about 3.4 x 10 38) addresses or about 5 x 10 28 unique addresses for each of the 6.5...
- Tags: IPv4, IPv6, Operating System, Sun Solaris, Networking, Telecommunications
- White papers 2008-03-01
- Whatmask 1.2 (Windows)
- Whatmask runs in a DOS shell Command Prompt. Whatmask is a small C program that will help you with network settings. Whatmask can work in two modes. The first mode which is how prior versions worked is to invoke Whatmask with only a subnet mask as the argument. In...
- Tags: Notation, Microsoft Windows, Subnet, Whatmask 1.2, Netmask Notation, Wilcard Bit
- Software downloads 2007-12-08
- IP Subnet Calculator 1.4 (Windows)
- Finally, an IP Subnet Calculator. Minimizes to a nice little bar, supports traditional and CIDR notation and generally goes about its business of calculating subnet information. Use the mouse, tab, or full stops to switch between fields and hold ctrl or the apple key when clicking the small bar to...
- Tags: Window, IP, Microsoft Windows, Subnet, Construction
- Software downloads 2007-07-11
- FAQ: Protecting yourself from search engines
- FAQ: Protecting yourself from search enginesWhy does it seemlike this is an ad for lxqwick? Is ZDNet partnered with them?add noise to your web profileWe have to invest more in web noise technologies, such as:http://madebits.com/retro/webnoise/index.phpOh, come on, there is no privacy on the internet.I have said it before and apparently...
- Tags: Network technology, NETWORKING, IP, server, INNOCENCE, Web, search engine, Internet
- Discussion threads 2006-08-09
- IP Subnet Calculator widget 1.4 (Windows)
- The IP Subnet Calculator widget is for use with the Yahoo Widget Engine.The IP Subnet Calculator widget minimises to a nice little bar, supports traditional and CIDR notation and generally goes about its business of calculating subnet information. Use the mouse, tab, or full stops to switch between fields and...
- Tags: Window, IP, Microsoft Windows, Subnet, Construction
- Software downloads 2006-05-10
- 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...
- Tags: Apple Macintosh, Subnet, GeekMonster Software, IPCalc, Input Element
- Software downloads 2006-03-10
- Google using Time Warner Telecom for VoIP?
- I stumbled across an interesting piece of information tonight while watching ARIN American Registry for Internet Numbers. ARIN controls the assigning of IP addresses in North America, so it can be a good way to keep an eye on companies you are interested in. Doing a search for...
- Tags: internal communication, Google Inc., Time Warner Inc.
- Blog posts 2005-11-24
- Net's next protocol awaits devices
- Net's next protocol awaits devicesDevices no one needsThese devices are just items that look neat but offer no functionality other than play time.Brave New World of IPv6http://makeashorterlink.com/?Q6C8253F7No need for "special" devices for IPv6Thanks, but no thanks - I *only* want more IP addresses, I don't need no special chips or...
- Tags: NETWORKING, TELECOMMUNICATIONS, Network technology, IPv6, IPv4
- Discussion threads 2004-04-06
- SuperScan 4.0 (Windows)
- SuperScan 4 is a completely-rewritten update of the highly popular Windows port scanning tool, SuperScan. Here are some of the new features in this version. Superior scanning speed Support for unlimited IP ranges Improved host detection using multiple ICMP methods TCP SYN scanning UDP scanning two methods IP address import...
- Tags: IP, Foundstone, SuperScan 4, Microsoft Windows, Networking, Network Technology, Productivity, Operating Systems, Software
- Software downloads 2004-03-12
- E-mail scam taps antiterrorist push, says FDIC
- E-mail scam taps antiterrorist push, says FDICI'm not surprised.....I've recieved e-mails like that from PayPal, Ebay and many, many other places [including banks & other institutions I've never heard of]What gets me is that people fall for it.If I get something like that, first thing: Is it from...
- Tags: APNIC, e-mail, Microsoft Corp., Whois, FDIC
- Discussion threads 2004-01-23
- Report: Japan, China, S. Korea developing next Net
- Report: Japan, China, S. Korea developing next NetJapan has failed onceAt the end of last century, Japan had been secretly developing its own Internet technology but failed due to the incompatibility. Now it comes back with IPv6, which is already there but ignored to some extent. I won't assert that...
- Tags: TELECOMMUNICATIONS, NETWORKING, IPv6, JCK, IP
- Discussion threads 2003-12-30
- Whatmask 1.2 (Mac)
- There are two versions avaiable. The links here go to the version that runs in a standalone window and works on Mac OSX and OS9. There is a command-line version for OSX on the website.Whatmask is a small C program that will help you with network settings.Whatmask can work in...
- Tags: Apple Macintosh, Mask, Notation, Subnet, Wilcard Bit
- Software downloads 2003-11-17
- Subnet Calc 1.4 (Mobile)
- Subnet Calc is an IP Address and Subnet Calculator. It calculates IP Addresses, Subnet Masks, Network Addresses, and Broadcast addresses based on an IP Address and the number of network bits in CIDR notation.
- Tags: Mobile, IP, IP Address, Subnet, AlphaRez, Subnet Calc
- Software downloads 2002-12-19
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