[84926] in North American Network Operators' Group

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Re: Anyone seen 172.15/16 lately?

daemon@ATHENA.MIT.EDU (Charles Cala)
Wed Sep 28 14:50:14 2005

Date: Wed, 28 Sep 2005 11:47:47 -0700 (PDT)
From: Charles Cala <charles_cala@yahoo.com>
To: nanog@nanog.org
In-Reply-To: <a06200706bf60905526f8@[10.31.32.102]>
Errors-To: owner-nanog@merit.edu


i belive the space in question 
( before 172.16.0.0 - 172.31.255.255)
is not in the arin database.


--- Edward Lewis <Ed.Lewis@neustar.biz> wrote:
> But that doesn't answer the question: (;))
> 
> NetRange:   172.16.0.0 - 172.31.255.255
> CIDR:       172.16.0.0/12
> NetName:    IANA-BBLK-RESERVED
> 
> That's the reserved range, he's looking for the /16 "before" that.

arin says...
Various Registries (Maintained by ARIN) NET172 (NET-172-0-0-0-0) 
                                172.0.0.0 - 172.255.255.255

Internet Assigned Numbers Authority IANA-BBLK-RESERVED
(NET-172-16-0-0-1) 
                                172.16.0.0 - 172.31.255.255

America Online AOL-172BLK (NET-172-128-0-0-1) 
                                172.128.0.0 - 172.191.255.255

America Online AOL-172BLK-2 (NET-172-192-0-0-1) 
                                172.192.0.0 - 172.216.255.255

As for the "Various Registries" issue,
the hedder for the 192.* group says the same thing...
Various Registries (Maintained by ARIN) NET192 (NET-192-0-0-0-0) 
                                192.0.0.0 - 192.255.255.255
Internet Assigned Numbers Authority RESERVED-192 (NET-192-0-0-0-1) 
                                192.0.0.0 - 192.0.127.255

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