Role of IANA and ICANN in Internet Protocol Addressing:

IANA:

• Internet Assigned number Authority.
• IANA oversees global IP address allocation .
• Autonomous system number allocation.
• Root zone managment in the Domain name system (DNS).
• Other internet protocol related symbols and numbers.
• IANA is a department operated by ICANN.

ICANN :

• The Internet Corporation for Assigned Names and Numbers.
• Non Profit organization.
• Headquater in California,United States.
• Created on September 18,1998 and incorporated on September 30,1998.
• To oversee a number of internet related tasks on behalf of the US government.
• IANA is operated by ICANN.