Due to various peering disputes (notably with Hurricane Electric) Cogent just don't have all the routes in IPv6 (and should be regarded as a partial IPv6 transit only). One should not rely only on Cogent for its transit, anyway :) Don't count on any improvement soon. It was already discussed here one year ago...
> On 25 feb. 2017 at 16:49, Aaron <[email protected]> wrote : > > Cogent is telling me that I can't route through cogent to get to google ipv6 > routes (particularly the well known dns addresses 2001:4860:4860::88xx) > because google decided not to advertise those route to one of their mutual > peers. > > Anyone know anything about this ? .and why it happened and when it will be > resolved ?
