leigh.porter at ukbroadband.com
Sun Jan 15 02:17:20 CST 2012
On 15 Jan 2012, at 07:39, "Ted Fischer" <ted at fred.net> wrote:
> Hi all,
> Tearing what's left of my hair out.
> A customer is getting scanned by a host claiming to be "18.104.22.168".
> I know this is bogus, but I want to go back to the customer with as
> much authoritative umph as I can (heaven forbid they just take my
> I'm pretty sure I read somewhere once that 172/12 was "reserved" or
> something like that. All I can find now is that 172/8 is "administered by
> ARIN". Lots of information on 172.16/12, but not a peep about
> If anybody could provide some insight as to the
> allocation/non-allocation of this block, it would be much appreciated.
> Ted Fischer
I would look for the prefix in your BGP table and in a couple of looking glasses and show the empty output.
If its not there, then it is bogus.
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