IP Address - Hsanokklis/2022-2023-Tech-journal GitHub Wiki

  • Layer 3 addressing
  • Assigned by the network admin
  • It is the Street Address and Zipcode that uniquely identifies a host on the network
  • 32 bit number
  • Displayed as four 8-bit numbers with dots between
  • called dotted decimal notation
  • each 8-bit number is called an octet

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  • the highest value in an octet is 255
  • IP address includes the network ID(zip code) and Host ID(street address)
  • Net ID can be different lengths, anywhere from 8 to 30 bits
  • Host ID is whatever is left over
  • subnet mask defines how many bits are in the Net ID