IRR listing of IANA-reserved, a question..
Marshall Eubanks
tme at multicasttech.com
Wed Sep 4 13:54:57 UTC 2002
On Wed, 04 Sep 2002 10:08:00 -0400
David Charlap <David.Charlap at marconi.com> wrote:
>
> John M. Brown wrote:
> >
> > In the last 72 hours I've seen over 3GB of data hit a network
> > I play with with source IP's of IANA-RESERVED space.
>
> Just out of curiosity, do you know that these are bogus source
> addresses? Some of the IANA-RESERVED block is actually valid and is
> used by IANA's computers.
>
> My company was blocking all of the IANA-RESERVED space for a while,
> until we discovered that the IANA web server is using an address in that
> space.
This seems like an unwise overlaying of the IANA-RESERVED space to me.
Why can't IANA allocate itself a /20 (or whatever it needs) and keep
IANA-RESERVED space for unallocated addresses (plus maybe
experimental uses that can and should be filtered at every border).
Regards
Marshall Eubanks
that
>
> Note:
> $dig www.iana.org a
>
> ; <<>> DiG 2.0 <<>> www.iana.org a
> ;; ->>HEADER<<- opcode: QUERY , status: NOERROR, id: 6
> ;; flags: qr rd ra ; Ques: 1, Ans: 1, Auth: 6, Addit: 6
> ;; QUESTIONS:
> ;; www.iana.org, type = A, class = IN
>
> ;; ANSWERS:
> www.iana.org. 68055 A 192.0.34.69
> ...
>
> and:
> $whois -h whois.arin.net 192.0.34.69
> IANA RESERVED-192 (NET-192-0-0-0-1)
> 192.0.0.0 - 192.0.127.255
> ICANN
> c/o Internet Assigned Numbers Authority ICANN (NET-192-0-32-0-1)
> 192.0.32.0 - 192.0.47.255
>
> > Various people have reported seeing IANA-RSERVED get announced
> > via BGP at different parts of the net.
>
> Again, bogus addresses or legitimate IANA servers? Not everything in
> IANA-RESERVED is bogus.
>
> -- David
>
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