This sort of thing in general is not uncommon in my experience. Many networks weight our outbound with local preferences.
Ms. Lady Benjamin PD Cannon of Glencoe, ASCE 6x7 Networks & 6x7 Telecom, LLC CEO l...@6by7.net "The only fully end-to-end encrypted global telecommunications company in the world.” FCC License KJ6FJJ Sent from my iPhone via RFC1149. > On Mar 9, 2022, at 2:30 AM, Edvinas Kairys <edvinas.em...@gmail.com> wrote: > > > Hello, > > We've introduced Cogent network in Equinix Honk Kong DC. But seems via that > link we're just receiving just only 5% of our traffic, other part of incoming > traffic is received via our other ISPs like NTT, Simcentrc, and Equinix IXP. > I know it's very naïve to expect the traffic load balance equally between 3 > ISPs (4 if IXP is counted) using just one /24 subnet. According to most of > BGP looking glasses in Asia, traffic via Cogent is least preferred even when > i've added 6x prepend AS on our other mentioned providers to make route via > Cogent more attractive. But nothing helps - seems main providers in Asia made > routes via Cogent least preferable by lowering the local preference to it, > that why prepending from our side doesn't help. > > Maybe someone has experience or similar problems with ISPs in Asia network ? > >