Provider Allocation PoliciesThe Quest for /19

• /19 is highly desirable for global routability

• Not a panacea

  • further restrictions may apply to blocks in classical Class A or B space
  • See http://www.nanog.org/filter.html

• But to get a /19 the normal way...

  • You must demonstrate approximately 8K present user addresses, based on no more than 6 month growth
  • You must show efficient use
  • Yet you may need to renumber

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