Re: Who is announcing bogons?

[bmanning () karoshi com]

> On Tue, 29 Apr 2003 bmanning () karoshi com wrote:
> > > Looking at one log, the most persistant announcer of bogon space is
> > > AS 4554 (Bill Manning), Net 39.0.0.0/8.
> > >
> > > I don't know Mr. Manning's intentions, malicious or otherwise.
> >
> > as has been stated on this list several times over the past few years...
> >
> > net 39 was left in my care by my previous boss.
>
> The Cymru Team lists 39.0.0.0/8 as a bogon.

        yes they do.  

> Its a serious problem.  Over the last two decades, records of
> address assignments have been lost.  Yes, its just a 32-bit number (or
> 16-bit number or 128-bit number).  A missing registry record doesn't
> cause a problem, unless someone starts blackholing routes or reusing
> addresses.

        yup. in addition to the missing records, we have folks
        who would like to re-write history by making changes to 
        registry records without even basic checking in with the
        existing holders of the delegations. 

> While I think many of the bogons are mistakes, and some are due to
> malicious activity; we need to recognize the limitations of our data
> sources.  If people are going to start blackholing previously allocated
> address space, or sub-delegations, our data isn't that great.  As the
> saying goes, you can't prove a negative.  We can confirm a positive
> registration.

        you are correct, within limits. confirm with whom and when?

--bill