[Starlink] Info on IP country ranges

Alexandre Petrescu alexandre.petrescu at gmail.com
Fri Dec 8 03:37:37 EST 2023


Le 08/12/2023 à 09:30, Alexandre Petrescu via Starlink a écrit :
>
> Le 08/12/2023 à 06:57, Freddie Cash a écrit :
>> Dishy gets a /64
>
> IF Dishy gets a /64 from the starlink operator then I am afraid one 
> cant make subnets in home, because each other subnet needs a distinct 
> /64.
>
>
>> and I've tested DHCPv6 on both my Firewalla and my USG. They do 
>> prefix delegation to distribute that as a /56 locally.
>
> I am afraid it is not possible to make a /56 out of a /64 (the inverse 
> is true).

For clarification: there could be a way to make a /56 out of a /128 out 
of that /64.  The way to do that is to do tunnelling - a third party 
router would use a tunnelling gateway outside the starlink domain.  But 
tunnelling means addition of latency.  That would not be an incentive.

Alex

>
> Alex
>
>>
>> No NAT required for IPv6 (incoming or outgoing) connections. And 
>> there doesn't appear to be any restrictions on IPv6 traffic.
>>
>> This is with the round Dishy.
>>
>> Cheers,
>> Freddie
>>
>> Typos due to smartphone keyboard.
>>
>> On Thu, Dec 7, 2023, 3:54 a.m. Alexandre Petrescu via Starlink 
>> <starlink at lists.bufferbloat.net> wrote:
>>
>>
>>     Le 04/12/2023 à 19:17, J Pan via Starlink a écrit :
>>     > yes, starlink does respond to its customers' complaints, although
>>     > sometimes slowly. its ipv4 address acquisition is scattered
>>     around as
>>     > a latecomer to the isp world, and as a global local isp, it's more
>>     > troublesome. ip packets have to be tunneled back to its home pop
>>     where
>>     > nat and other functions happen, sometimes around the world,
>>     causing a
>>     > much higher minimum rtt fluctuation in 15-second handover
>>     > intervals---bad for network protocols and applications. ipv6 
>> can do
>>     > better but currently follows the same route as ipv4---an
>>     incentive to
>>     > promote ipv6 ;-)
>>
>>     Excellent incentive!
>>
>>     It would be good to know whether the dishy router obtains a /56 or
>>     a /64
>>     prefix from the starlink ISP.  That is easy to find out by just
>>     looking
>>     at the packets.  This would tell whether a NAT can be avoided at
>>     home,
>>     and hence more apps made possible.
>>
>>     IT would also be good to  know whether the claimed IPv6 access on
>>     dishy
>>     is via a tunnel (IPv6 in IPv6, or IPv6 in IPv4) or it is 'native' 
>> (no
>>     tunnel).  That will tell many things about additional latency that
>>     might
>>     be brought in by IPv6.  (we'd want less latency, not more).
>>
>>     After that, one can look more at promoting IPv6.  Otherwise, IPv6
>>     might
>>     still look as a hurdle, an obstacle, additional work that is too
>>     little
>>     necessary, or might even be worse than IPv4.
>>
>>     Alex
>>
>>     > --
>>     > J Pan, UVic CSc, ECS566, 250-472-5796 (NO VM), Pan at UVic.CA,
>>     Web.UVic.CA/~pan <http://Web.UVic.CA/~pan>
>>     >
>>     > On Mon, Dec 4, 2023 at 4:04 AM Noel Butler
>>     <noel.butler at ausics.net> wrote:
>>     >> Thanks, it seems they are trying it on then :)
>>     >>
>>     >> On 04/12/2023 10:44, J Pan wrote:
>>     >>
>>     >> starlink advertises its customer ip address location at
>>     >> http://geoip.starlinkisp.net (not always updated but good 
>> enough in
>>     >> most cases and traceroute can confirm to some extent as well)
>>     >> --
>>     >> J Pan, UVic CSc, ECS566, 250-472-5796 (NO VM), Pan at UVic.CA,
>>     Web.UVic.CA/~pan <http://Web.UVic.CA/~pan>
>>     >>
>>     >> On Sun, Dec 3, 2023 at 4:15 PM Noel Butler via Starlink
>>     >> <starlink at lists.bufferbloat.net> wrote:
>>     >>
>>     >>
>>     >> I run an open access usenet server, but only for those within
>>     my CC, so access is by IP based on our CC allocations from APNIC.
>>     >>
>>     >> Because IPv4 exhaustion this changes sometimes with buying
>>     allocations from other regions, and if they get denied access I
>>     encourage them to let us know so we can keep ACL's updated, I've
>>     had a request from a starlink user who claims they are here, but
>>     traceroute shows them in .DE
>>     >>
>>     >> tracing some 217.foo.ad.dr
>>     >>
>>     >> ...
>>     >> 9 ae-6.r21.frnkge13.de.bb.gin.ntt.net
>>     <http://ae-6.r21.frnkge13.de.bb.gin.ntt.net> (129.250.3.183)
>>     290.223 ms 290.180 ms ae-1.r20.frnkge13.de.bb.gin.ntt.net
>>     <http://ae-1.r20.frnkge13.de.bb.gin.ntt.net> (129.250.7.35) 
>> 280.523 ms
>>     >> 10 ae-1.a03.frnkge13.de.bb.gin.ntt.net
>>     <http://ae-1.a03.frnkge13.de.bb.gin.ntt.net> (129.250.3.152)
>>     290.109 ms 289.667 ms 292.864 ms
>>     >> 11 ae-0.spacex.frnkge13.de.bb.gin.ntt.net
>>     <http://ae-0.spacex.frnkge13.de.bb.gin.ntt.net> (213.198.72.19)
>>     279.611 ms 278.840 ms 279.592 ms
>>     >> 12 undefined.hostname.localhost (206.224.65.189) 280.127 ms
>>     278.506 ms 284.265 ms
>>     >> 13 undefined.hostname.localhost (206.224.65.209) 284.198 ms
>>     undefined.hostname.localhost (206.224.65.201) 274.663 ms 273.073 ms
>>     >> 14 * * *
>>     >>
>>     >>
>>     >> As it is our policy to not collect any user info or issue
>>     user/pass's and  only allow access by IP, I'm hoping someone here
>>     knows if they are full of it, or does starlink really assign
>>     addresses from anywhere? That one hardly makes sense for user
>>     experience, or maybe starlink has so few users in this country
>>     they haven't bothered changing anything yet?
>>     >>
>>     >> --
>>     >>
>>     >> Regards,
>>     >> Noel Butler
>>     >>
>>     >>
>>     >> _______________________________________________
>>     >> Starlink mailing list
>>     >> Starlink at lists.bufferbloat.net
>>     >> https://lists.bufferbloat.net/listinfo/starlink
>>     >>
>>     >>
>>     >> --
>>     >>
>>     >> Regards,
>>     >> Noel Butler
>>     >>
>>     >>
>>     > _______________________________________________
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>>     > Starlink at lists.bufferbloat.net
>>     > https://lists.bufferbloat.net/listinfo/starlink
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