Ars Technica on IPv4 exhaustion

Frank Bulk frnkblk at
Wed Jun 18 03:43:27 UTC 2014

These sites used to be dual-stacked: (over 180 days ago via (over 44 days ago) (over 151 days) (over 802 days) (over 593 days)

and has been broken for over 33 days.


-----Original Message-----
From: NANOG [mailto:nanog-bounces at] On Behalf Of Jared Mauch
Sent: Tuesday, June 17, 2014 7:42 PM
To: Mark Andrews
Subject: Re: Ars Technica on IPv4 exhaustion

On Jun 17, 2014, at 7:24 PM, Mark Andrews <marka at> wrote:

> In message
<32832593.4076.1403046439981.JavaMail.root at>, Ja
> y Ashworth writes:
>> ----- Original Message -----
>>> From: "Jared Mauch" <jared at>
>>> It does ring a bit hollow that these sites haven't gotten there when
>>> others (Google, Facebook) have already shown you can publish AAAA
>>> records with no adverse public impact. 
>> "no" adverse impact?
>> Seems to me I've seen a few threads go by the last few years that
>> that there were a few pathological cases where having the 4A record was 
> What's this "4A" garbage?
>> worse than not...
> See the red line. 
> Additionally Google and FaceBook have basically forced the client
> side to fix their broken network configurations by publishing AAAA
> records to everyone.  It only takes one or two big sites to force
> this issue which they have done.
> You are nowhere near the bleeding edge by publishing AAAA records today.

What I do find interesting (and without any data) is why some folks have
removed IPv6, eg:

But there is no AAAA for it anymore.

My simple rant is: it's 2014, if you don't at least have IPv6 on for your
edge facing your ISP and your allocation, you're doing it wrong.

- Jared

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