Re: 172.0.0.0/12 has been Allocated

[Blake Hudson <blake () ispn net>]

I wonder if ATT will be returning some of those /16 and /15 allocations 
it has in return for the /12 - http://whois.arin.net/rest/org/SIS-80/nets

How does one suddenly justify needing 1,000,000 more IP addresses 
(explosive expected growth in the next couple months?)

--Blake

Owen DeLong wrote the following on 8/23/2012 1:29 AM:
> AT&T should just be glad there was a /12 for them to get.
>
> That isn't going to be true for much longer.
>
> If you are counting on an IPv4 free pool to run your business next year, you are making a bad bet.
>
> Owen
>
> On Aug 22, 2012, at 22:54 , "Otis L. Surratt, Jr." <otis () ocosa com> wrote:
>
> > My apologies again, I saw it as 127.0.0.0. and not 172.0.0.0.
> >
> > I've been working long hours last couple nights. Yeah you are probably right, since they to pulled that one very close 
> > to RFC1918.
> >
> > http://bgp.potaroo.net/ipv4-stats/allocated-arin.html
> >
> >
> > I would hate to be AT&T for this IP allocation. Heck, I would simple push more IPv6 if I were them.
> >
> >
> >
> > -----Original Message-----
> > From: Dan White [mailto:dwhite () olp net]
> > Sent: Thursday, August 23, 2012 12:37 AM
> > To: Otis L. Surratt, Jr.
> > Cc: nanog () nanog org
> > Subject: Re: 172.0.0.0/12 has been Allocated
> >
> > You can do a whois search at arin.net to see the allocation.
> >
> > 172.0.0.0/12 is often confused with the private 172.16.0.0/12 address
> > space, which I would consider a 'scraping the bottom of the barrel'
> > allocation.
> >
> > I also noticed a couple of subnets in that range showing up in the weekly
> > Cidr reports, beginning in July.
> >
> > On 08/23/12 00:29 -0500, Otis L. Surratt, Jr. wrote:
> > > Dan,
> > >
> > > Can you provide a link to support this?
> > > If this is true, I wonder how this will work.
> > >
> > > Otis
> > > -----Original Message-----
> > > From: Dan White [mailto:dwhite () olp net]
> > > Sent: Thursday, August 23, 2012 12:24 AM
> > > To: nanog () nanog org
> > > Subject: 172.0.0.0/12 has been Allocated
> > >
> > > 172.0.0.0-172.15.255.255 was allocated on 2012-08-20 to AT&T Internet
> > > Services.
> > --
> > Dan White