North American Network Operators Group

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Re: Standard prefix length filtering

  • From: Raymond Macharia
  • Date: Wed Sep 19 02:40:08 2007

You should not have any issues with a /22, most providers will accept /24 as the maximum length. refer to



chk 543 wrote:
Is there a standard prefix length most providers filter on, or is there a way to find out what each provider filters on? We have been assigned a /22 and are wondering if we will have any issues with this block.

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