Tag Archives: ping6

IPv6 – The Basics

Since about three weeks I’m using IPv6 on my client. Since then I’ve learned some basics, which I would like to share.

Some facts:

  • 128-Bit long
  • Written with hexadecimal characters
  • Written in 16-Bit blocks (8 blocks, maximal 4 hexadecimal characters each)
  • BlocksĀ separatedĀ using colons (:)
  • Double colon (::) means omitted blocks (replaced with 0)
  • Networks are using CIDR-Notiation for the network mask (e.g. /48)
As loopback address there is one address reserved, the very first (means all bits 0 except the last one):

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