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Networking Essentials / IP addressing

Lesson 6 of 30

IPv4 addresses

An IPv4 address is four numbers from 0 to 255, like 192.168.1.10. That's 32 bits, giving about 4.3 billion addresses, which isn't enough for the whole world.

Key points

  • Four octets, each 0-255
  • 32 bits total
  • Ran out globally in 2011
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Quiz · +10 XP

Which is a valid IPv4 address?

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