[dns-operations] CloudFlare public DNS IPv6 anycast high latency from HE in USA?
Viktor Dukhovni
ietf-dane at dukhovni.org
Mon Feb 22 22:33:34 UTC 2021
For CloudFlare public DNS IPv6 addresses:
2606:4700:4700::1111
2606:4700:4700::1001
I see unexpectedly high latency from two distinct networks in the USA,
where the common factor is plausibly an early transit via Hurricane
Electric. From both networks (isi.edu in LA, and my home network in
NYC) these addresses appear to be routed to the Far East at 200+ms
latency (aparently to Thailand!). Anyone else seeing similar results?
I think this is a recent change (perhaps a few days now)... Not sure
whom to nag (I did ping Olafur et. al.), but perhaps the problem is
at HE or elsewhere?
LA (isi.edu):
-------------
$ traceroute6 -f4 -n 2606:4700:4700::1111
4 2001:468:e00:801::2 0.999 ms 0.928 ms 0.851 ms
5 2001:470:0:72::2 0.770 ms * 0.734 ms
6 2001:470:0:523::2 107.197 ms 107.604 ms 107.601 ms
7 2001:470:0:3f0::1 175.046 ms 174.557 ms 175.149 ms
8 2001:470:1:be2::2 205.189 ms 205.306 ms 205.217 ms
9 2403:d300:400:4000::1 204.082 ms 204.022 ms 204.017 ms
10 2404:8d04:4840:4001::3 204.962 ms 204.769 ms 204.907 ms
11 2400:cb00:175:1024::a29e:cd15 202.823 ms 2400:cb00:175:1024::a29e:cd1d 202.870 ms 2400:cb00:175:1024::a29e:cd21 202.608 ms
PTR records:
2001:468:e00:801::2 hurricane--lax-hpr-peer.cenic.net
2001:470:0:72::2 100ge14-1.core1.lax2.he.net
2001:470:0:523::2 100ge5-2.core1.tyo1.he.net
2001:470:0:3f0::1 100ge11-1.core1.sin1.he.net
2001:de8:4::1:89:3 10089.sgw.equinix.com
MaxMinds country GeoIP:
2001:468:e00:801::2: US, United States
2001:470:0:72::2: US, United States
2001:470:0:523::2: US, United States
2001:470:0:3f0::1: US, United States
2001:de8:4::1:89:3: JP, Japan
2403:d300:400:4000::1: HK, Hong Kong
2404:8d04:4840:4001::3: TH, Thailand
2400:cb00:175:1024::a29e:cd1d: TH, Thailand
NYC (Verizon Fios -> HE tunnel):
--------------------------------
$ traceroute6 -f4 -n 2606:4700:4700::1111
4 2001:470:0:18e::2 30.834 ms 30.221 ms 31.226 ms
5 2001:470:0:22a::1 92.222 ms 95.435 ms 77.114 ms
6 2001:470:0:268::2 140.216 ms 143.346 ms 143.987 ms
7 2001:470:0:3f0::1 283.903 ms 208.104 ms 210.580 ms
8 2001:de8:4::1:89:3 209.758 ms 209.723 ms 210.285 ms
9 2403:d300:400:4000::1 237.480 ms 251.551 ms 244.256 ms
10 2404:8d04:4840:4001::3 236.858 ms 241.120 ms 240.160 ms
11 2400:cb00:175:1024::a29e:cd11 240.004 ms
2400:cb00:175:1024::a29e:cd15 240.900 ms
2400:cb00:175:1024::a29e:cd21 240.391 ms
PTR records:
2001:470:0:18e::2 100ge14-2.core1.msp1.he.net
2001:470:0:22a::1 100ge11-2.core1.sea1.he.net
2001:470:0:268::2 100ge11-2.core1.tyo1.he.net
2001:470:0:3f0::1 100ge11-1.core1.sin1.he.net
2001:de8:4::1:89:3 10089.sgw.equinix.com
GeoIP:
2001:470:0:18e::2: US, United States
2001:470:0:22a::1: US, United States
2001:470:0:268::2: US, United States
2001:470:0:3f0::1: US, United States
2001:de8:4::1:89:3: JP, Japan
2403:d300:400:4000::1: HK, Hong Kong
2404:8d04:4840:4001::3: TH, Thailand
2400:cb00:175:1024::a29e:cd1d: TH, Thailand
2400:cb00:175:1024::a29e:cd15: TH, Thailand
2400:cb00:175:1024::a29e:cd19: TH, Thailand
--
Viktor.
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