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implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list Subject: [Starlink] Re: Multiday connectivity issues in Kenya. List-Id: "Starlink has bufferbloat. Bad." Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: yes, a common mismatch between sat-based access networks and ground-centric= cdn, as reported in https://www.arxiv.org/pdf/2510.13710 as well Hi Ben: can you figure out your pop (likely nairobi) and service points of = problematic websites through their dns providers (i.e., the actual location= of servers fulfilling your dns, http and https requests) using the techniq= ues reported in the above paper, or host a vm for me to figure it out for y= ou? we did observe oscillating behaviors for kenya users before with servic= e points jumping around in mombasa and johannesburg. hope it helps. cheers.= -j -- J Pan, UVic CSc, ECS566, 250-472-5796 (NO VM), Pan@UVic.CA, Web.UVic.CA/~pa= n ________________________________________ From: Inemesit Affia via Starlink Sent: Monday, July 13, 2026 12:52 AM To: Ben Eastvold; Dave Taht via Starlink Subject: [Starlink] Re: Multiday connectivity issues in Kenya. Thanks for your insight Ben. I believe a VPN may help your users (has its own issues). One of the issues with diagnosing these issues generally is a lack of an ey= e from the inside. Running an RIPE Atlas and/or Globalping probe would help= . Of course SpaceX staff would have better tools. Ciao Jul 13, 2026 8:30:30 AM Ben Eastvold via Starlink : > Confirming this from Nakuru County, Kenya, with data. I run a residential > technology training program on Starlink (sole connectivity, ~20 students)= , > and we have had this exact issue for 5+ days, surviving a dish firmware > update (~July 8) and full power cycles of dish and router. > > Symptoms: specific destination prefixes are blackholed or unstable while > everything else performs excellently (100+ Mbps down, ~23ms latency). > Affected destinations include Fastly and Akamai ranges, including > https://www.google.com/url?q=3Dhttp://starlink.com&source=3Dgmail&ust=3D1= 784012243268000&sa=3DE > itself. The affected set shifts over time -- sites work for a period, the= n > fail. > > TCP connect tests (curl, port 443), same terminal, same minute, against > https://www.google.com/url?q=3Dhttp://bbc.com&source=3Dgmail&ust=3D178401= 2243268000&sa=3DE's > four published Fastly addresses: > > 151.101.0.81 -- TIMEOUT, no TCP handshake (8s) > 151.101.64.81 -- TIMEOUT, no TCP handshake (8s) > 151.101.128.81 -- connected 0.28s, HTTP 301 > 151.101.192.81 -- connected 0.30s, HTTP 301 > > Minutes later, all four of > https://www.google.com/url?q=3Dhttp://starlink.com&source=3Dgmail&ust=3D1= 784012243268000&sa=3DE's > addresses (151.101.1.143, 151.101.65.143, 151.101.129.143, 151.101.193.14= 3) > timed out with no handshake -- including addresses in the same ranges tha= t > had just worked for > https://www.google.com/url?q=3Dhttp://bbc.com&source=3Dgmail&ust=3D178401= 2243268000&sa=3DE. > The reachable prefix set is moving under our feet, which reads as route > instability rather than a static misroute. > > Akamai similarly affected: > https://www.google.com/url?q=3Dhttp://ichef.bbci.co.uk&source=3Dgmail&ust= =3D1784012243268000&sa=3DE > (23.56.162.175) fails TCP entirely, so BBC pages currently render text > without images. > > Traceroutes: local hops (terminal -> 100.64.0.1 -> SpaceX 206.224.x) are > consistently healthy at 20-30ms. Traffic then enters Liquid Telecom and > takes inconsistent paths to the same destination set -- some traces via > Johannesburg (lza-p2-tdn, lza-p3-jhb hops), one via Marseille > (lfr-p1/p2-mrs), with latency spiking 80-265ms and heavy loss beyond hop = 7. > A trace toward the Akamai destination exits via a different upstream ( > https://www.google.com/url?q=3Dhttp://twelve99.net/Arelion&source=3Dgmail= &ust=3D1784012243268000&sa=3DE) > and dies similarly, so this spans multiple transit paths out of the Kenya > gateway, not a single peer. > > Full timestamped traceroute and curl output available if useful, and I ca= n > run tests on demand from this terminal. Ticket filed with Starlink suppor= t > (maintained via workaround, since their portal is unreachable from the > affected connection). > > Ben Eastvold > GLAD Technology, Nakuru County, Kenya > _______________________________________________ > Starlink mailing list -- starlink@lists.bufferbloat.net > To unsubscribe send an email to starlink-leave@lists.bufferbloat.net _______________________________________________ Starlink mailing list -- starlink@lists.bufferbloat.net To unsubscribe send an email to starlink-leave@lists.bufferbloat.net