> On Aug 5, 2016, at 8:52 AM, Mark Tinka <mark.ti...@seacom.mu> wrote: > > > On 5/Aug/16 15:40, Soon Keat Neo wrote: > >> If you are just announcing more specific address space that you've obtained >> legitimately off their assigned address space, it should be no problem, >> just obtain an LoA and register it on the different databases and you >> should be set to ask your upstreams to allow the announcements. > > Do people actually do this? A customer asked us to do this for them and > we refused, because inconsistent AS has never been a thing. > > I'm apprehensive about a subnet and its aggregate appearing from > multiple AS's at the same time. But, I'm old school, so... > > Mark.
Yes, this is quite prevalent. For example a popular resolver within prefix 8.8.8.0/24 (and also 8.8.4.0/24) has 8.0.0.0/9 advertised by 3356. Theodore Baschak - AS395089 - Hextet Systems https://ciscodude.net/ - https://hextet.systems/ https://theodorebaschak.com/ - http://mbix.ca/
