Short-circuited traceroutes on FIOS

Tue Dec 10 20:55:50 UTC 2019

This is not from a verizon CPE. Its happening on their CO internet 
gateway customer facing routers.

tcptraceroute looks more legit

Joe

Nimrod Levy wrote:
> Is that unique to the FiOS gateway device? I don't use their router 
> and my traces go right out.
>
>
> On Tue, Dec 10, 2019 at 3:08 PM Joe Maimon <jmaimon at jmaimon.com 
> <mailto:jmaimon at jmaimon.com>> wrote:
>
>     Apparently Verizon FIOS is a red herring, terminating ICMP
>     traceroutes
>     right on their gateways.
>
>     More internet breakage. Thanks for the information to all who
>     responded.
>
>     Random control test.
>
>     C:\Users\Home>tracert -d 1.4.5.6
>
>     Tracing route to 1.4.5.6 over a maximum of 30 hops
>
>        1    15 ms     5 ms    <1 ms  172.18.24.1
>        2     3 ms    23 ms    24 ms  192.168.2.33
>        3     3 ms     6 ms     3 ms  1.4.5.6
>
>     Trace complete.
>
>
>     Joe
>
>     Joe Maimon 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 <http://www.usfoods.com>
>     >
>     > Tracing route to statics.usfoods.com
>     <http://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
>     <http://statics.usfoods.com> [205.132.109.90]
>     >
>     > Trace complete.
>     >
>     > C:\Users\Home>tracert atworkhp.americanexpress.com
>     <http://atworkhp.americanexpress.com>
>     >
>     > Tracing route to atworkhp.americanexpress.com.akadns.net
>     <http://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
>     <http://atworkhomepage2.americanexpress.com>
>     > [139.71.19.87]
>     >
>     > Trace complete.
>     >
>     > C:\Users\Home>tracert portal.discover.com
>     <http://portal.discover.com>
>     >
>     > Tracing route to e14577.x.akamaiedge.net
>     <http://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
>     <http://a23-51-172-254.deploy.static.akamaitechnologies.com>
>     [23.51.172.254]
>     >
>     > Trace complete.
>     >
>     >
>     >
>