[atlas] No address in the results when ping or traceroute fail?

On Mon, Jul 22, 2013 at 04:29:52PM +0200,
 Philip Homburg <philip.homburg at ripe.net> wrote 
 a message of 23 lines which said:

> The probe didn't actually send any packets so there is no point in
> knowing the source address that wasn't used. :-)

I wanted to reply to Dan Wing's criticism
<https://labs.ripe.net/Members/stephane_bortzmeyer/how-many-atlas-probes-believe-they-have-ipv6-but-are-wrong/>
"I have a suspicion that many of these failures are IPv6 tunnels that
have suffered bit rot. Could you analyze the IPv6 address that the
Atlas probe thinks it has and split them into two categories: (a)
known tunnels (e.g., Hurricane Electric, SixXS, 6to4, Teredo) versus
(b) presumably "native" IPv6 addresses. "