Whois 172/12

Alex Ryu r.hyunseog at ieee.org
Sun Jan 15 09:43:24 CST 2012


Similar to 1.0.0.0/8 case, which was allocated to APNIC last year or so...


On Sun, Jan 15, 2012 at 6:47 AM,  <bmanning at vacation.karoshi.com> wrote:
> On Sun, Jan 15, 2012 at 06:36:12AM -0600, Robert Bonomi wrote:
>> > From nanog-bounces+bonomi=mail.r-bonomi.com at nanog.org  Sun Jan 15 02:02:00 2012
>> > Subject: Re: Whois 172/12
>> > From: "Patrick W. Gilmore" <patrick at ianai.net>
>> > Date: Sun, 15 Jan 2012 02:58:11 -0500
>> > To: NANOG list <nanog at nanog.org>
>> >
>> > Read RFC1918.
>> >
>> > Likely a machine on his local network (i.e. behind the same NAT box) is hitting him.
>>
>>
>> Patrick,
>>   I'v read RFC-1918.   I cannot find *any* reference to  172.0/12, as the OP
>> was asking about.  172.16/12, yes. but not 172.0/12.  Can you please clarify
>> your advice?
>>
>> ZZ
>
>
>        so as a stylistic point,   172/12  is supposed to equal 172.0.0.0/12?
>
>        if memory serves, back in the day, there were records of allocations in this space,
>        pre-ARIN. When RFC 1918 was settled on, there were some folks blocking 172.0.0.0/8
>        so there was talk of relocating those folks into other space.
>
> /bill
>



More information about the NANOG mailing list