On Sun, Jan 15, 2012 at 06:36:12AM -0600, Robert Bonomi wrote: > > From nanog-bounces+bonomi=mail.r-bonomi....@nanog.org Sun Jan 15 02:02:00 > > 2012 > > Subject: Re: Whois 172/12 > > From: "Patrick W. Gilmore" <patr...@ianai.net> > > Date: Sun, 15 Jan 2012 02:58:11 -0500 > > To: NANOG list <nanog@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