On Mon, Jan 16, 2017 at 10:01:00PM +0000, Alistair Mackenzie wrote: > So recently I've come across an issue with a large ISP announcing a > /22 and /25 of IPv6 space. We are currently filtering <28 and >48 > which until now has worked fine for us. > > What are others using as their prefix filters in the DFZ?
The NTT global backbone (AS 2914) generally accepts (barring the other filters) IPv6 prefixes within "2000::/3 ge 12 le 48" over eBGP. Longer prefixes are only accepted on customer sessions, when a valid IRR route6 object exists. Kind regards, Job
