nanog mailing list archives

Re: Short-circuited traceroutes on FIOS


From: Christopher Morrow <morrowc.lists () gmail com>
Date: Tue, 10 Dec 2019 15:07:04 -0500

wasn't vz pursuing some 'get the a cdn in the central office' for a
time? :) perhaps this is the manifestation of that? :)
or perhaps jared arranged to get links back from each CO to his
network gear in akamai-land?

I love conspiracies!

On Tue, Dec 10, 2019 at 2:48 PM Joe Maimon <jmaimon () jmaimon com> wrote:

Anyone have an idea why there are some destinations that on residential
verizon fios here in NY area terminate right on first external hop?

There seems to be a CDN common denominator here. On other networks with
more typical BGP paths and traceroutes, users are reporting issues
accessing these sites.

C:\Users\Home>tracert www.usfoods.com

Tracing route to statics.usfoods.com [205.132.109.90]
over a maximum of 30 hops:

   1     3 ms    <1 ms    <1 ms  172.18.24.1
   2     4 ms     3 ms     3 ms  192.168.2.33
   3    17 ms     6 ms     3 ms  statics.usfoods.com [205.132.109.90]

Trace complete.

C:\Users\Home>tracert atworkhp.americanexpress.com

Tracing route to atworkhp.americanexpress.com.akadns.net [139.71.19.87]
over a maximum of 30 hops:

   1     2 ms    <1 ms    <1 ms  172.18.24.1
   2     3 ms     4 ms    23 ms  192.168.2.33
   3    21 ms    11 ms     5 ms  atworkhomepage2.americanexpress.com
[139.71.19.87]

Trace complete.

C:\Users\Home>tracert portal.discover.com

Tracing route to e14577.x.akamaiedge.net [23.51.172.254]
over a maximum of 30 hops:

   1     3 ms     1 ms    18 ms  172.18.24.1
   2    21 ms     7 ms     6 ms  192.168.2.33
   3     4 ms     2 ms     2 ms
a23-51-172-254.deploy.static.akamaitechnologies.com [23.51.172.254]

Trace complete.




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