[141188] in North American Network Operators' Group
Re: Google and IPv6 inverse?
daemon@ATHENA.MIT.EDU (Leo Bicknell)
Mon Jun 6 10:06:24 2011
Date: Mon, 6 Jun 2011 07:05:19 -0700
From: Leo Bicknell <bicknell@ufp.org>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <BANLkTim9rxm-J2GeOwL--1=QPC4q93AsUw@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
--ReaqsoxgOBHFXBhH
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
In a message written on Mon, Jun 06, 2011 at 08:45:31AM -0400, Christopher =
Morrow wrote:
> On Mon, Jun 6, 2011 at 1:19 AM, Hank Nussbacher <hank@efes.iucc.ac.il> wr=
ote:
> > Will Google have inverse working by June 8th?
>=20
> poking the tiger some... 'why?'
It's the network equivilent of holding open the door for someone
or saying please and thank you. Civilized network operators do it
to be polite.
Picking on the name in Hank's e-mail:
% traceroute -n efes.iucc.ac.il
traceroute to efes.iucc.ac.il (128.139.202.17), 64 hops max, 52 byte packets
1 149.20.48.1 1.515 ms 0.783 ms 0.706 ms
2 149.20.65.9 2.756 ms 0.972 ms 3.156 ms
3 64.215.195.21 50.607 ms 50.524 ms 54.705 ms
4 207.138.144.46 166.234 ms 166.235 ms 166.240 ms
5 62.40.125.122 230.584 ms 230.520 ms 237.217 ms
6 128.139.188.1 230.609 ms 443.760 ms 230.629 ms
7 * * *
Quick question, which network providers were involved in that trace?
Have fun hitting up whois to find out!
% traceroute efes.iucc.ac.il
traceroute to efes.iucc.ac.il (128.139.202.17), 64 hops max, 52 byte packets
1 exit.blue.sql1.isc.org (149.20.48.1) 2.410 ms 2.275 ms 0.782 ms
2 int-0-4-0-0.r1.pao1.isc.org (149.20.65.9) 3.493 ms 2.452 ms 0.958 ms
3 ge-9-15-1G.ar1.PAO2.gblx.net (64.215.195.21) 50.488 ms 50.540 ms 54.4=
40 ms
4 DANTE.TenGigabitEthernet7-3.ar1.FRA4.gblx.net (207.138.144.46) 166.227 =
ms 166.231 ms 166.217 ms
5 iucc-lb1-gw.rt1.fra.de.geant2.net (62.40.125.122) 234.928 ms 245.142 m=
s 244.414 ms
6 gp1-gp0-te.ilan.net.il (128.139.188.1) 230.536 ms 230.618 ms 230.655 =
ms
7 *^C
Ah, ISC->Global Crossing->GEANT2.
See, rDNS just saved me about 2 minutes of whois pain. Which is
what being polite is all about, making a very minor effort on your
part to save someone else a minor amount of pain.
Or, if you want another view on it:
http://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_N=
47_Sun.pdf
Start at slide 12.
--=20
Leo Bicknell - bicknell@ufp.org - CCIE 3440
PGP keys at http://www.ufp.org/~bicknell/
--ReaqsoxgOBHFXBhH
Content-Type: application/pgp-signature
Content-Disposition: inline
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.13 (FreeBSD)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=vRHy
-----END PGP SIGNATURE-----
--ReaqsoxgOBHFXBhH--
