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Is it safe to use 240.0.0.0/4

Subject: Is it safe to use 240.0.0.0/4
From: jfbeam at gmail.com (Ricky Beam)
Date: Wed, 17 Jun 2015 17:38:23 -0400
In-reply-to: <CADR+d4b4AZXGy4BvcemXsGrdMFmJ598XX27NZpj8hz7X871ykg@mail.gmail.com>
References: <CADR+d4b4AZXGy4BvcemXsGrdMFmJ598XX27NZpj8hz7X871ykg@mail.gmail.com>

On Wed, 17 Jun 2015 17:07:25 -0400, Luan Nguyen <lnguyen at opsource.net>  
wrote:
> Is that safe to use internally? Anyone using it?
> Just for NATTING on Cisco gears...

As you've already figured out, Class E space is still restricted on Cisco  
gear.

I'll wait for Curran to pop up with various links to reasons why Class E  
was "abandoned" by ARIN. (short answer: too much broken crap thinks it's  
multicast!)

Follow-Ups:
- Is it safe to use 240.0.0.0/4
  - From: bill at herrin.us (William Herrin)

References:
- Is it safe to use 240.0.0.0/4
  - From: lnguyen at opsource.net (Luan Nguyen)

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