[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Ownership of Routers on Both Ends of Transnational Links
On Tue, Apr 16, 2019 at 10:59 AM James Jun <james.jun at towardex.com> wrote:
> More likely, thease routers are China Unicom's routers in their US POP, not managed by VZ/Telia.
> The /30s in this case are unmanaged IP transit hand-offs, coming in as Nx10G or 100G. When your
> IP transit provider assigns the /30, your router looks like it belongs to your upstream, common
> mistake when interpreting traceroutes.
$ nslookup 184.108.40.206
220.127.116.11.in-addr.arpa name = sjo-b21-link.telia.net.
if you model (as james says) each interconnect as a /30 or /31 ...
look for the adjacent ip and see the PTR for that ip.
(the above is your first link example's peer ip)
> : see Page 22 on https://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_N47_Sun.pdf