Networking - IP version 4

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Introduction:

This page allows you to input an IP address (IP version 4) and extract all possible network information.
Click on any of the links at the top of the page to reveal (or hide) more information about this calculator.

Caveats:

If you are reading this paragraph, then you probably don't have JavaScript installed/enabled on your computer.
At this point in time the calculators on this site are entirely dependent on JavaScript. Given enough time and money it is hoped to develop a version in the future which will be able to operate independently. Since JavaScript runs on your own computer, rather than on this server, it has been possible to set up this site much more quickly than if a server-side language was used, and it is possible to serve far more pages with the available bandwidth.
If you think that you can assist with this project in any way, then please visit the Support section and leave a message.

Definitions:

IP Address
Internet Protocol Address, part of the TCP/IP specifications. Specifically, the numeric address of a computer on the Internet, or a similar private network. Currently most systems use IPv4, in which an IP address contains 32 binary digits (bits).
IP v6
Updated version of the Internet Protocol, in which an IP address can contain 128 binary digits (bits), as well as other improvements.
Dotted Decimal
An IP address format, written as a set of four decimal numbers separated by periods, where each group can range from 0 to 255. For example: 123.234.1.10
Quad - Hex
Alternative method of writing an IP address, using four pairs of Hexadecimal digits.
Hexadecimal
Base-16 number system, which allows numbers as high as 15 to be written with a single digit. The number sequence is therefore: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A=10, B=11, C=12, D=13, E=14, F=15.
Net-Mask
A device, written in the same fashion as an IP address, which determines which part of the IP address identifies the Network, and which identifies the individual host.

No Relevant Formulae

Instructions

  1. Fill in as many boxes as you can with the values that you know
  2. Click the 'CalcResult' button below the input fields
  3. The value of the blank fields will be calculated
  4. A 'Results Area' will be displayed below.
  5. All known values will be shown. (Values for which insufficient information was given will also be identified.)
  6. To do further calculations simply change any values in the input fields and click the 'CalcResult' button again. (Press the 'Clear Form' button if you want to empty all of the input fields.)
  7. Press the 'Clear Results' button if you wish to discard the first results, otherwise further calculations will be added into the same area.
  8. Click the 'CalcResult' button again
  9. Click the 'Print Results' button to display all current results in a new, printable window.
IP Address:
NetMask (enter one):

Results:

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