IP Address

 

IP (Internet Protocol) address is a numeral label assigned for each computer in a network. Each computer requires an IP address to connect to another computer and eventually to the Internet. IP addresses consist of four sets of numbers from 0 to 255, separated by three dots. Your Internet Service Provider (ISP) will assign you either a static IP address (which is always the same) or a dynamic IP address (which changes every time you log on).


Example of an IP Address: 66.72.98.236

 


What is My Computer's IP Address?

 

To look up your computer’s IP address:

 

  1. Go to Google website
  2. Search for: What is my IP Address

 

 

DNS (Domain Name System)

 

DNS is a naming system for any computer or resource centre connected to the Internet. Domain Name System basically translates the domain names (URL) to IP addresses. The reason for the creation of this system is simply because it’s easier for the users to remember a domain name than a series of numbers.

 

 

What is My Website's IP Address?


To look up a website’s IP address:

 

 

Example:          IP Address: 157.166.224.25     >>>>     URL: http://www.yahoo.com/

 

 

 

ICANN

 

The Internet Corporation for Assigned Names and Numbers (ICANN) is a nonprofit organization that has assumed the responsibility for IP address, space allocation, protocol parameter assignment, domain name system management and root server system management functions, previously performed under a U.S. government contract. ICANN is responsible for managing the Domain Name System to ensure that every domain name is unique and maps to the correct IP address.

 

 

What is a Domain Name?

 

Domain name is the name that identifies a web site. For example www.microsoft.com is the domain name of Microsoft's web site. Domain names are typically preceded by “www.” which identifies the server that the site is stored on and end with an extension like “.com” or “.edu” that represents the type of website.

 

 

What is a URL?

 

URL is short for “Uniform Resource Locator” and is the address of a specific web page or file on the Internet. URL is also known as web address.


Example: in the URL: http://www.yahoo.com/index.html

 

http:// Hypertext transfer protocol
www.   Shows that the contents are web pages
yahoo Domain name
.com A top level suffix (TLD)
index  Filename
.html   The format of the web page (also could be: .asp, .php....)


 

Dot What?

 

After choosing a domain name you need to select the extension that comes at the end after the “dot”. These letters (.com, .net, .org etc) are technically called the Top Level Domain (TLD) and are divided into two types:

 

 

Unrestricted TLDs: Restricted TLDs:
TLDs Use TLDs Use
.com Commercial .biz business
.org Organization .pro professionals
.net Network .edu education institutions such as universities
.info Information .gov government agencies
    .int intergovernmental
    .mil military
    .ca   [Canada]   Country Code

 

  

 

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