On 11/30/2015 07:06 PM, Viktor Dukhovni wrote: > In a world of CDNs with anycast presence, the notional geoIP lookup > is not very informative, traceroute and ping often reveal more > relevant information. Yes, after I saw Fred's message I thought of that. Need to stop trusting the tools :-) I also did a traceroute, in the last 30 minutes it has changed. Something must have been bused in the routing or busted DNS cache someplace. It was 10 hops, now its 7. Ping time for me still sucks. Averaging 9069ms IPv6 and 2.3ms for IPv4 for me today for some reason. Its odd. Tracroute -6 takes 0.192ms for all 7 hops, yet ping -6 takes over 9 seconds per ping. > For me: > > $ traceroute6 2400:cb00:2048:1::6814:155 > ... > 5 te0-4-0-26.rcr24.jfk01.atlas.cogentco.com 0.785 ms 0.734 ms 0.714 ms > 6 be2600.rcr21.ewr02.atlas.cogentco.com 1.563 ms be2601.rcr21.ewr02.atlas.cogentco.com 1.41 ms 1.474 ms > 7 2001:550:2:10::5:2 0.959 ms 0.984 ms 0.949 ms > 8 2400:cb00:11:1024::c629:ebce 0.884 ms 2400:cb00:11:1024::a29e:3c1a 0.95 ms 2400:cb00:11:1024::6ca2:dae0 0.944 ms > > $ ping6 2400:cb00:2048:1::6814:155 > 16 bytes from 2400:cb00:2048:1::6814:155, icmp_seq=0 hlim=57 time=0.916 ms > 16 bytes from 2400:cb00:2048:1::6814:155, icmp_seq=1 hlim=57 time=0.870 ms > 16 bytes from 2400:cb00:2048:1::6814:155, icmp_seq=2 hlim=57 time=0.878 ms > 16 bytes from 2400:cb00:2048:1::6814:155, icmp_seq=3 hlim=57 time=0.854 ms > ... > > Which places that anycast server at most ~270 km from NYC, somewhere > in NJ most likely. Your mileage (from Boise Idaho?) may vary. > > IPv4 results below: > > $ traceroute 104.20.1.85 > ... > 5 te0-4-0-26.rcr24.jfk01.atlas.cogentco.com (154.24.35.193) 0.930 ms > 6 be2600.rcr21.ewr02.atlas.cogentco.com (154.54.40.30) 1.513 ms 1.424 ms > 7 38.104.44.10 (38.104.44.10) 0.989 ms 1.025 ms 0.978 ms > 8 104.20.1.85 (104.20.1.85) 0.980 ms 1.080 ms 0.964 ms > > $ ping 104.20.1.85 > 64 bytes from 104.20.1.85: icmp_seq=0 ttl=57 time=0.973 ms > 64 bytes from 104.20.1.85: icmp_seq=1 ttl=57 time=0.988 ms > 64 bytes from 104.20.1.85: icmp_seq=2 ttl=57 time=0.992 ms > 64 bytes from 104.20.1.85: icmp_seq=3 ttl=57 time=0.961 ms > -- Doug Royer - (http://K7DMR.us / http://DougRoyer.US) DouglasRoyer@xxxxxxxxx 714-989-6135
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