TCP/IP: IP address-2

• There are 3 “classes” of networks:

  • 128 big (class A networks) with around 16 millions addresses
  • around 16000 middle (class B networks) with around 65000 addresses
  • around 2 millions little ( class C networks) with 256 addresses

• There is also class D networks for special purposes: multicasting for e.g. videoconferencing

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