Sunday, 11 February 2018

THE INTERNET ADDRESS

What Is IP Address?

  • A number that uniquely identifies each computer or device connected to the Internet
  • IP addresses are also referred to as IP numbers and Internet addresses.
  • IP address sometimes is called a dotted decimal number or quad.
IP Usage
  • A way to find specific server or computer on the Internet or a network.
  • Provide identity to a computer in a network
  • Indentify for a particular device/machine on a particular network
  • Allows transfers of files and e-mail

IP Structure 

  • IP addresses usually consists of four groups of number each separated by a period.
  • The number in each group is between 0 to 255.
  • First portion identify the network
  • Last portion identify the computer


IP Versions


CriteriaIP Version 4 (IPv4)IP Version 6 (IPv6)
Length32 bits128 bits
Example74.14.01.99FB11:34DA:65CA:87AE:ABC4:01AA:ADDC5:32C1
Adress FormatWritten in dotted decimalWritten in hexadecimal with colons and shortcuts
Group4 group number8 group number


Domain names and IP addresses 
  • Domain name is a text version of IP address
  • IP address is a number version of domain name

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