Asia Apac networks

Jon Lewis jlewis at
Fri Mar 11 12:46:08 UTC 2022

More likely a couple hundred ms.  I believe what is being seen is the 
result of Cogent trying to get established in Asia.  They won't pay to 
peer with the established players, and those players don't want Cogent 
disrupting their market, so their peering in Asia is rather poor.  If 
you're successful in forcing traffic from networks on NTT or other "Asian 
service providers" to ingress on your Cogent port, you're not going to 
like the result, as that traffic will take the scenic route via the west 
coast US or possibly Europe (twice) before reaching you.

As an NTT customer, perhaps Edvinas should complain to NTT about their 
lack of peering [in Asia] with Cogent making it difficult to utilize your 
Cogent port.  Of course, that's intentional on NTT's they're 
unlikely to care about your complaint.

On Fri, 11 Mar 2022, Siyuan Miao wrote:

> Cogent didn't peer with NTT and PCCW in Asia so it's normal if they still prefer local routes. Otherwise
> the latency might be at least 100ms.
> On Fri, Mar 11, 2022 at 12:50 Lady Benjamin Cannon of Glencoe, ASCE <lb at> wrote:
>       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
>       lb at
>       "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 < at> 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 ?
>       >
>       >

  Jon Lewis, MCP :)           |  I route
  StackPath, Sr. Neteng       |  therefore you are
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