North American Network Operators Group

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Re: Class B Address

  • From: Randy Bush
  • Date: Sun May 21 00:34:40 2000

> Can someone point me to some documents/weblink on how many class B
> addresses are still available? Have the registries like RIPE/ARIN/APRIN
> exhausted class B addresses already? IPv6 Forum presentations have me
> believed class B addresses are exhausted and the situation is especially
> bad for country like China. However, after checking with some Chinese I
> was told just the opposite. So I am wondering is address scarcity just a
> hype?

there is space left in classic A, B, and C numbering regions.  about 50% of
the ipv4 adddress space has been allocated, though less is announced to the