[atlas] 8.8.8.8 hijack and ripe atlas
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Emile Aben
emile.aben at ripe.net
Thu Mar 20 09:56:57 CET 2014
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 20/03/14 09:47, Jared Mauch wrote: > > On Mar 20, 2014, at 4:14 AM, Emile Aben <emile.aben at ripe.net> > wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 >> >> On 19/03/14 14:14, Jared Mauch wrote: >>> It appears there are some public measurements like #1002630, >>> and i'm curious if someone is able to look at the latency and >>> TTL numbers of the transport side and observe the localized >>> hijacking of 8.8.8.8. >>> >>> The dataset is somewhat huge and i'm not a json master so >>> trying to discern if there is evidence in there is something >>> i'm looking at. >> >> This may works to get the data into an easier to digest form >> (requires the perl JSON module installed): >> >> curl >> "https://atlas.ripe.net/api/v1/measurement/1002630/result/?start=1340323200&stop=1395273599&format=txt" >> >> | perl -MJSON -nle'$d=decode_json($_); print "$d->{timestamp} >> $d->{prb_id} $d->{min} $d->{ttl}"' | tee results.txt >> >> I looked into the results a little bit and didn't find clues for >> a localized hijacking of 8.8.8.8 for the probes I looked at (out >> of the 10 total in that measurement). The fact that 8.8.8.8 is >> anycast may make it hard to distinguish between changes due to >> anycast flapping or localized hijacks. > > Do the allocated probes stay fixed or rotate over time? (I’m new > here, so hope the question isn’t too dumb). Fixed, so you can look at the same probe over longer periods of time. > > - Jared > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iF4EAREIAAYFAlMqrVkACgkQj05ACITZaqoq2wD+N0p5J96zlGYXYWtGA6gilc36 +uMMYC2YZs1+IdVMTz4A/3atwBaqzvUv2R7yXFHZDVnCw9Iacug616OJ96AKCaA1 =rKuO -----END PGP SIGNATURE-----
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